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prog8/compiler/test/StackVMOpcodeTests.kt

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unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
2018-09-21 00:20:37 +00:00
package prog8tests
import org.hamcrest.MatcherAssert.assertThat
changed set/clear carry and irqd somewhat
2018-09-24 21:38:33 +00:00
import org.hamcrest.Matchers.empty
import org.hamcrest.Matchers.equalTo
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
2018-09-21 00:20:37 +00:00
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
changed set/clear carry and irqd somewhat
2018-09-24 21:38:33 +00:00
import prog8.ast.DataType
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
2018-09-21 00:20:37 +00:00
import prog8.stackvm.*
import kotlin.test.*
/***
@todo opcodes still to be unit-tested:
SHL_MEM,
SHL_MEM_W,
SHL_VAR,
SHR_MEM,
SHR_MEM_W,
SHR_VAR,
ROL_MEM,
ROL_MEM_W,
ROL_VAR,
ROR_MEM,
ROR_MEM_W,
ROR_VAR,
ROL2_MEM,
ROL2_MEM_W,
ROL2_VAR,
ROR2_MEM,
ROR2_MEM_W,
ROR2_VAR,
**/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestStackVmOpcodes {
private val vm = StackVm(null)
fun makeProg(ins: MutableList<Instruction>,
vars: Map<String, Value>?=null,
labels: Map<String, Instruction>?=null,
mem: Map<Int, List<Value>>?=null) : Program {
return Program("test", ins, labels ?: mapOf(), vars ?: mapOf(), mem ?: mapOf())
}
@Test
fun testInitAndNop() {
val ins = mutableListOf(Instruction(Opcode.NOP))
vm.load(makeProg(ins), null)
assertEquals(6, vm.variables.size)
assertTrue(vm.variables.containsKey("XY"))
assertTrue(vm.variables.containsKey("A"))
vm.step(1)
assertThat(vm.callstack, empty())
assertThat(vm.evalstack, empty())
assertFailsWith<VmTerminationException> {
vm.step()
}
}
@Test
fun testBreakpoint() {
val ins = mutableListOf(Instruction(Opcode.BREAKPOINT))
vm.load(makeProg(ins), null)
assertFailsWith<VmBreakpointException> {
vm.step()
}
assertThat(vm.callstack, empty())
assertThat(vm.evalstack, empty())
}
@Test
fun testLine() {
val ins = mutableListOf(Instruction(Opcode.LINE, Value(DataType.STR, null, "line 99")))
vm.load(makeProg(ins), null)
assertEquals("", vm.sourceLine)
vm.step(1)
assertEquals("line 99", vm.sourceLine)
}
@Test
fun testSECandSEIandCLCandCLI() {
val ins = mutableListOf(Instruction(Opcode.SEC), Instruction(Opcode.SEI), Instruction(Opcode.CLC), Instruction(Opcode.CLI))
vm.load(makeProg(ins), null)
assertFalse(vm.P_carry)
assertFalse(vm.P_irqd)
vm.step(1)
assertTrue(vm.P_carry)
assertFalse(vm.P_irqd)
vm.step(1)
assertTrue(vm.P_carry)
assertTrue(vm.P_irqd)
vm.step(1)
assertFalse(vm.P_carry)
assertTrue(vm.P_irqd)
vm.step(1)
assertFalse(vm.P_carry)
assertFalse(vm.P_irqd)
}
@Test
fun testPush() {
val ins = mutableListOf(Instruction(Opcode.PUSH, Value(DataType.FLOAT, 42.999)))
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(1)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 42.999), vm.evalstack.pop())
}
@Test
fun testPushMem() {
val ins = mutableListOf(
Instruction(Opcode.PUSH_MEM, Value(DataType.WORD, 0x2000)),
Instruction(Opcode.PUSH_MEM_W, Value(DataType.WORD, 0x3000)),
Instruction(Opcode.PUSH_MEM_F, Value(DataType.WORD, 0x4000))
)
val mem=mapOf(0x2000 to listOf(Value(DataType.WORD, 0x42ea)),
0x3000 to listOf(Value(DataType.WORD, 0x42ea)),
0x4000 to listOf(Value(DataType.FLOAT, 42.25)))
vm.load(makeProg(ins, mem=mem), null)
assertEquals(0xea, vm.mem.getByte(0x2000))
assertEquals(0x42, vm.mem.getByte(0x2001))
assertEquals(0xea, vm.mem.getByte(0x3000))
assertEquals(0x42, vm.mem.getByte(0x3001))
assertEquals(0x42ea, vm.mem.getWord(0x2000))
assertEquals(0x42ea, vm.mem.getWord(0x3000))
assertEquals(42.25, vm.mem.getFloat(0x4000))
assertThat(vm.evalstack, empty())
vm.step(3)
assertEquals(3, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 42.25), vm.evalstack.pop())
assertEquals(Value(DataType.WORD, 0x42ea), vm.evalstack.pop())
assertEquals(Value(DataType.BYTE, 0xea), vm.evalstack.pop())
}
@Test
fun testPushVar() {
val ins = mutableListOf(Instruction(Opcode.PUSH_VAR, Value(DataType.STR, null, "varname")))
vm.load(makeProg(ins, mapOf("varname" to Value(DataType.FLOAT, 42.999))), null)
assertEquals(7, vm.variables.size)
assertTrue(vm.variables.containsKey("varname"))
assertTrue(vm.variables.containsKey("XY"))
assertTrue(vm.variables.containsKey("A"))
assertEquals(Value(DataType.FLOAT, 42.999), vm.variables["varname"])
assertThat(vm.evalstack, empty())
vm.step(1)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 42.999), vm.evalstack.pop())
assertEquals(Value(DataType.FLOAT, 42.999), vm.variables["varname"])
}
@Test
fun testDup() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 42.999)),
Instruction(Opcode.DUP))
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(2)
assertEquals(2, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 42.999), vm.evalstack.pop())
assertEquals(Value(DataType.FLOAT, 42.999), vm.evalstack.pop())
}
@Test
fun testSwap() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 123)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 9999)),
Instruction(Opcode.SWAP)
)
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(3)
assertEquals(2, vm.evalstack.size)
assertEquals(Value(DataType.BYTE, 123), vm.evalstack.pop())
assertEquals(Value(DataType.WORD, 9999), vm.evalstack.pop())
}
@Test
fun testDiscard() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 42.999)),
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 3.1415)),
Instruction(Opcode.DISCARD))
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(2)
assertEquals(2, vm.evalstack.size)
vm.step(1)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 42.999), vm.evalstack.pop())
}
@Test
fun testArray() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 111)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 222)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 333)),
Instruction(Opcode.ARRAY, Value(DataType.WORD, 2)))
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(4)
assertEquals(2, vm.evalstack.size)
var array = vm.evalstack.pop()
assertEquals(DataType.ARRAY_W, array.type)
assertThat(array.arrayvalue, equalTo(intArrayOf(222, 333)))
assertEquals(Value(DataType.WORD, 111), vm.evalstack.pop())
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 11)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 22)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 33)),
Instruction(Opcode.ARRAY, Value(DataType.WORD, 2)))
vm.load(makeProg(ins2), null)
assertThat(vm.evalstack, empty())
vm.step(4)
assertEquals(2, vm.evalstack.size)
array = vm.evalstack.pop()
assertEquals(DataType.ARRAY, array.type)
assertThat(array.arrayvalue, equalTo(intArrayOf(22, 33)))
assertEquals(Value(DataType.BYTE, 11), vm.evalstack.pop())
val ins3 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 11)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 222)),
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 333.33)),
Instruction(Opcode.ARRAY, Value(DataType.WORD, 2)))
vm.load(makeProg(ins3), null)
assertFailsWith<VmExecutionException> {
vm.step(4)
}
}
@Test
fun testPopMem() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 42.25)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0x42ea)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 123)),
Instruction(Opcode.POP_MEM, Value(DataType.WORD, 0x2000)),
Instruction(Opcode.POP_MEM, Value(DataType.WORD, 0x3000)),
Instruction(Opcode.POP_MEM, Value(DataType.WORD, 0x4000)))
vm.load(makeProg(ins), null)
assertEquals(0, vm.mem.getWord(0x2000))
assertEquals(0, vm.mem.getWord(0x3000))
assertEquals(0.0, vm.mem.getFloat(0x4000))
assertThat(vm.evalstack, empty())
vm.step(6)
assertThat(vm.evalstack, empty())
assertEquals(123, vm.mem.getByte(0x2000))
assertEquals(0x42ea, vm.mem.getWord(0x3000))
assertEquals(42.25, vm.mem.getFloat(0x4000))
}
@Test
fun testPopVar() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 42.25)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0x42ea)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 123)),
Instruction(Opcode.POP_VAR, Value(DataType.STR, null, "var1")),
Instruction(Opcode.POP_VAR, Value(DataType.STR, null, "var2")),
Instruction(Opcode.POP_VAR, Value(DataType.STR, null, "var3")))
val vars = mapOf(
"var1" to Value(DataType.BYTE, 0),
"var2" to Value(DataType.WORD, 0),
"var3" to Value(DataType.FLOAT, 0)
)
vm.load(makeProg(ins, vars), null)
assertEquals(9, vm.variables.size)
vm.step(6)
assertEquals(Value(DataType.BYTE, 123), vm.variables["var1"])
assertEquals(Value(DataType.WORD, 0x42ea), vm.variables["var2"])
assertEquals(Value(DataType.FLOAT, 42.25), vm.variables["var3"])
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0x42ea)),
Instruction(Opcode.POP_VAR, Value(DataType.STR, null, "var1")))
val vars2 = mapOf(
"var1" to Value(DataType.BYTE, 0)
)
vm.load(makeProg(ins2, vars2), null)
assertEquals(7, vm.variables.size)
assertFailsWith<VmExecutionException> {
vm.step(2)
}
}
@Test
fun testAdd() {
val values = listOf(
Value(DataType.FLOAT, 42.25),
Value(DataType.WORD, 4000),
Value(DataType.BYTE, 40))
val expected = listOf(
Value(DataType.WORD, 4000+40),
Value(DataType.FLOAT, 42.25+(4000+40)))
val operator = Opcode.ADD
testBinaryOperator(values, operator, expected)
}
@Test
fun testSub() {
val values = listOf(
Value(DataType.FLOAT, 42.25),
Value(DataType.WORD, 4000),
Value(DataType.BYTE, 40))
val expected = listOf(
Value(DataType.WORD, 4000-40),
Value(DataType.FLOAT, 42.25-(4000-40)))
val operator = Opcode.SUB
testBinaryOperator(values, operator, expected)
}
@Test
fun testMul() {
val values = listOf(
Value(DataType.FLOAT, 42.2533),
Value(DataType.WORD, 401),
Value(DataType.BYTE, 4))
val expected = listOf(
Value(DataType.WORD, 401*4),
Value(DataType.FLOAT, 42.2533*(401*4)))
val operator = Opcode.MUL
testBinaryOperator(values, operator, expected)
}
@Test
fun testDiv() {
val values = listOf(
Value(DataType.FLOAT, 42.25),
Value(DataType.WORD, 3999),
Value(DataType.BYTE, 40)
)
val expected = listOf(
compilation of builtin functions to opcode untit tests for stackvm opcodes, value and parser literalvalue
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Value(DataType.WORD, 99),
Value(DataType.FLOAT, 42.25/99))
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val operator = Opcode.DIV
testBinaryOperator(values, operator, expected)
}
@Test
fun testFloorDiv() {
val values = listOf(
compilation of builtin functions to opcode untit tests for stackvm opcodes, value and parser literalvalue
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Value(DataType.FLOAT, 4000.25),
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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Value(DataType.WORD, 3999),
Value(DataType.BYTE, 40)
)
val expected = listOf(
compilation of builtin functions to opcode untit tests for stackvm opcodes, value and parser literalvalue
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Value(DataType.WORD, 99),
Value(DataType.FLOAT, 40.0))
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val operator = Opcode.FLOORDIV
testBinaryOperator(values, operator, expected)
}
@Test
fun testPow() {
val values = listOf(
Value(DataType.FLOAT, 1.1),
Value(DataType.WORD, 3),
Value(DataType.BYTE, 4)
)
val expected = listOf(
Value(DataType.WORD, 81),
Value(DataType.FLOAT, 2253.2402360440274))
val operator = Opcode.POW
testBinaryOperator(values, operator, expected)
}
@Test
fun testRemainder() {
val values = listOf(
Value(DataType.FLOAT, 2022.5),
Value(DataType.WORD, 500),
Value(DataType.BYTE, 29)
)
val expected = listOf(
Value(DataType.BYTE, 7),
Value(DataType.FLOAT, 6.5))
val operator = Opcode.REMAINDER
testBinaryOperator(values, operator, expected)
}
@Test
fun testBitand() {
val values = listOf(
Value(DataType.WORD, 0b0011001011110001),
Value(DataType.BYTE, 0b10011111),
Value(DataType.BYTE, 0b11111101))
val expected = listOf(
Value(DataType.BYTE, 0b10011101),
more opcodes unit tested
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Value(DataType.WORD, 0b0000000010010001))
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val operator = Opcode.BITAND
testBinaryOperator(values, operator, expected)
}
@Test
fun testBitor() {
val values = listOf(
Value(DataType.WORD, 0b0011001011100000),
Value(DataType.BYTE, 0b00011101),
Value(DataType.BYTE, 0b10010001))
val expected = listOf(
Value(DataType.BYTE, 0b10011101),
more opcodes unit tested
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Value(DataType.WORD, 0b0011001011111101))
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val operator = Opcode.BITOR
testBinaryOperator(values, operator, expected)
}
@Test
fun testBitxor() {
val values = listOf(
Value(DataType.WORD, 0b0011001011100000),
Value(DataType.BYTE, 0b00011101),
Value(DataType.BYTE, 0b10010001))
val expected = listOf(
Value(DataType.BYTE, 0b10001100),
more opcodes unit tested
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Value(DataType.WORD, 0b0011001001101100))
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val operator = Opcode.BITXOR
testBinaryOperator(values, operator, expected)
}
@Test
fun testAnd() {
val values = listOf(
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.BYTE, 0),
Value(DataType.WORD, 0),
Value(DataType.STR, null, ""),
Value(DataType.STR, null, "hello"),
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.FLOAT, 300.33),
Value(DataType.WORD, 5000),
Value(DataType.BYTE, 200),
Value(DataType.BYTE, 1))
val expected = listOf(
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 0))
val operator = Opcode.AND
testBinaryOperator(values, operator, expected)
}
@Test
fun testOr() {
val values = listOf(
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.BYTE, 0),
Value(DataType.WORD, 0),
Value(DataType.STR, null, ""),
Value(DataType.STR, null, "hello"),
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.FLOAT, 300.33),
Value(DataType.WORD, 5000),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 0))
val expected = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1))
val operator = Opcode.OR
testBinaryOperator(values, operator, expected)
}
@Test
fun testXor() {
val values = listOf(
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.BYTE, 1),
Value(DataType.WORD, 0),
Value(DataType.STR, null, ""),
Value(DataType.STR, null, "hello"),
Value(DataType.ARRAY, null, arrayvalue = intArrayOf(1,2,3)),
Value(DataType.FLOAT, 300.33),
Value(DataType.WORD, 5000),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 20))
val expected = listOf(
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1))
val operator = Opcode.XOR
testBinaryOperator(values, operator, expected)
}
compilation of prefix operators, added NOT opcode
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@Test
fun testNot() {
val values = listOf(
Value(DataType.STR, null, ""),
Value(DataType.STR, null, "hello"),
Value(DataType.FLOAT, 0.0),
Value(DataType.FLOAT, 300.33),
Value(DataType.WORD, 0),
Value(DataType.WORD, 5000),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 20))
val expected = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1)
)
val operator = Opcode.NOT
testUnaryOperator(values, operator, expected)
}
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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@Test
fun testInc() {
val values = listOf(
Value(DataType.FLOAT, 2022.5),
Value(DataType.WORD, 65535),
Value(DataType.WORD, 999),
Value(DataType.BYTE, 255),
Value(DataType.BYTE, 99)
)
val expected = listOf(
Value(DataType.BYTE, 100),
Value(DataType.BYTE, 0),
Value(DataType.WORD, 1000),
Value(DataType.WORD, 0),
Value(DataType.FLOAT, 2023.5)
)
val operator = Opcode.INC
testUnaryOperator(values, operator, expected)
}
@Test
fun testDec() {
val values = listOf(
Value(DataType.FLOAT, 0.5),
Value(DataType.FLOAT, 123.456),
Value(DataType.WORD, 1000),
Value(DataType.WORD, 0),
Value(DataType.BYTE, 100),
Value(DataType.BYTE, 0)
)
val expected = listOf(
Value(DataType.BYTE, 255),
Value(DataType.BYTE, 99),
Value(DataType.WORD, 65535),
Value(DataType.WORD, 999),
Value(DataType.FLOAT, 122.456),
Value(DataType.FLOAT, -0.5)
)
val operator = Opcode.DEC
testUnaryOperator(values, operator, expected)
}
@Test
fun testNeg() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 123.456)),
Instruction(Opcode.NEG),
Instruction(Opcode.NEG)
)
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(2)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, -123.456), vm.evalstack.peek())
vm.step(1)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.FLOAT, 123.456), vm.evalstack.peek())
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 1234)),
Instruction(Opcode.NEG)
)
vm.load(makeProg(ins2), null)
tweaks
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vm.step(2)
assertEquals(Value(DataType.WORD, 64302), vm.evalstack.pop())
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val ins3 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 12)),
Instruction(Opcode.NEG)
)
vm.load(makeProg(ins3), null)
tweaks
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vm.step(2)
assertEquals(Value(DataType.BYTE, 244), vm.evalstack.pop())
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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}
@Test
fun testInv() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 123)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 4044)),
Instruction(Opcode.INV),
Instruction(Opcode.INV),
Instruction(Opcode.INV)
)
vm.load(makeProg(ins), null)
assertThat(vm.evalstack, empty())
vm.step(3)
assertEquals(2, vm.evalstack.size)
assertEquals(Value(DataType.WORD, 0xf033), vm.evalstack.pop())
vm.step(1)
assertEquals(1, vm.evalstack.size)
assertEquals(Value(DataType.BYTE, 0x84), vm.evalstack.pop())
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 1234.33)),
Instruction(Opcode.INV)
)
vm.load(makeProg(ins2), null)
assertFailsWith<VmExecutionException> {
vm.step(2)
}
}
@Test
fun testLsb() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 1.23)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0x45)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0xea31)),
Instruction(Opcode.LSB),
Instruction(Opcode.LSB),
Instruction(Opcode.LSB)
)
vm.load(makeProg(ins), null)
vm.step(4)
assertEquals(Value(DataType.BYTE, 0x31), vm.evalstack.pop())
vm.step(1)
assertEquals(Value(DataType.BYTE, 0x45), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testMsb() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 1.23)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0x45)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0xea31)),
Instruction(Opcode.MSB),
Instruction(Opcode.MSB),
Instruction(Opcode.MSB)
)
vm.load(makeProg(ins), null)
vm.step(4)
assertEquals(Value(DataType.BYTE, 0xea), vm.evalstack.pop())
vm.step(1)
assertEquals(Value(DataType.BYTE, 0), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testB2Word() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0xea31)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0x45)),
Instruction(Opcode.B2WORD),
Instruction(Opcode.B2WORD)
)
vm.load(makeProg(ins), null)
vm.step(3)
assertEquals(Value(DataType.WORD, 0x0045), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testMSB2Word() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0xea31)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0x45)),
Instruction(Opcode.MSB2WORD),
Instruction(Opcode.MSB2WORD)
)
vm.load(makeProg(ins), null)
vm.step(3)
assertEquals(Value(DataType.WORD, 0x4500), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testB2Float() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0xea31)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 123)),
Instruction(Opcode.B2FLOAT),
Instruction(Opcode.B2FLOAT)
)
vm.load(makeProg(ins), null)
vm.step(3)
assertEquals(Value(DataType.FLOAT, 123.0), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testW2Float() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 11)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 12345)),
Instruction(Opcode.W2FLOAT),
Instruction(Opcode.W2FLOAT)
)
vm.load(makeProg(ins), null)
vm.step(3)
assertEquals(Value(DataType.FLOAT, 12345.0), vm.evalstack.pop())
assertFailsWith<VmExecutionException> {
vm.step(1)
}
}
@Test
fun testIncMemAndIncMemW() {
val ins = mutableListOf(
Instruction(Opcode.INC_MEM, Value(DataType.WORD, 0x2000)),
Instruction(Opcode.INC_MEM, Value(DataType.WORD, 0x2001)),
Instruction(Opcode.INC_MEM_W, Value(DataType.WORD, 0x3000)),
Instruction(Opcode.INC_MEM_W, Value(DataType.WORD, 0x3002))
)
val mem=mapOf(0x2000 to listOf(Value(DataType.BYTE, 100), Value(DataType.BYTE, 255)),
0x3000 to listOf(Value(DataType.WORD, 0x42ea), Value(DataType.WORD, 0xffff)))
vm.load(makeProg(ins, mem=mem), null)
vm.step(4)
assertEquals(101, vm.mem.getByte(0x2000))
assertEquals(0, vm.mem.getByte(0x2001))
assertEquals(0x42eb, vm.mem.getWord(0x3000))
assertEquals(0, vm.mem.getWord(0x3002))
}
@Test
fun testIncVar() {
val ins = mutableListOf(
Instruction(Opcode.INC_VAR, Value(DataType.STR, null, "var1")),
Instruction(Opcode.INC_VAR, Value(DataType.STR, null, "var2")),
Instruction(Opcode.INC_VAR, Value(DataType.STR, null, "var1")),
Instruction(Opcode.INC_VAR, Value(DataType.STR, null, "var2")))
val vars = mapOf("var1" to Value(DataType.WORD, 65534),
"var2" to Value(DataType.BYTE, 254))
vm.load(makeProg(ins, vars = vars), null)
vm.step(2)
assertEquals(Value(DataType.WORD, 65535), vm.variables["var1"])
assertEquals(Value(DataType.BYTE, 255), vm.variables["var2"])
vm.step(2)
assertEquals(Value(DataType.WORD, 0), vm.variables["var1"])
assertEquals(Value(DataType.BYTE, 0), vm.variables["var2"])
}
@Test
fun testDecVar() {
val ins = mutableListOf(
Instruction(Opcode.DEC_VAR, Value(DataType.STR, null, "var1")),
Instruction(Opcode.DEC_VAR, Value(DataType.STR, null, "var2")),
Instruction(Opcode.DEC_VAR, Value(DataType.STR, null, "var1")),
Instruction(Opcode.DEC_VAR, Value(DataType.STR, null, "var2")))
val vars = mapOf("var1" to Value(DataType.WORD,1),
"var2" to Value(DataType.BYTE, 1))
vm.load(makeProg(ins, vars = vars), null)
vm.step(2)
assertEquals(Value(DataType.WORD, 0), vm.variables["var1"])
assertEquals(Value(DataType.BYTE, 0), vm.variables["var2"])
vm.step(2)
assertEquals(Value(DataType.WORD, 65535), vm.variables["var1"])
assertEquals(Value(DataType.BYTE, 255), vm.variables["var2"])
}
@Test
fun testDecMemAndDecMemW() {
val ins = mutableListOf(
Instruction(Opcode.DEC_MEM, Value(DataType.WORD, 0x2000)),
Instruction(Opcode.DEC_MEM, Value(DataType.WORD, 0x2001)),
Instruction(Opcode.DEC_MEM_W, Value(DataType.WORD, 0x3000)),
Instruction(Opcode.DEC_MEM_W, Value(DataType.WORD, 0x3002))
)
val mem=mapOf(0x2000 to listOf(Value(DataType.BYTE, 100), Value(DataType.BYTE, 0)),
0x3000 to listOf(Value(DataType.WORD, 0x42ea), Value(DataType.WORD, 0)))
vm.load(makeProg(ins, mem=mem), null)
vm.step(4)
assertEquals(99, vm.mem.getByte(0x2000))
assertEquals(255, vm.mem.getByte(0x2001))
assertEquals(0x42e9, vm.mem.getWord(0x3000))
assertEquals(65535, vm.mem.getWord(0x3002))
}
@Test
fun testSyscall() {
val ins = mutableListOf(
Instruction(Opcode.SYSCALL, Value(DataType.BYTE, Syscall.FUNC_RNDF.callNr)),
Instruction(Opcode.SYSCALL, Value(DataType.BYTE, Syscall.FUNC_RNDW.callNr)),
Instruction(Opcode.SYSCALL, Value(DataType.BYTE, Syscall.FUNC_RND.callNr)),
Instruction(Opcode.SYSCALL, Value(DataType.BYTE, Syscall.FUNC_RND.callNr)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 25544)),
Instruction(Opcode.SYSCALL, Value(DataType.BYTE, Syscall.FUNC_SIN.callNr))
)
vm.load(makeProg(ins), null)
vm.step(4)
val rndb1 = vm.evalstack.pop()
val rndb2 = vm.evalstack.pop()
val rndw = vm.evalstack.pop()
val rndf = vm.evalstack.pop()
assertEquals(DataType.BYTE, rndb1.type)
assertEquals(DataType.BYTE, rndb2.type)
assertEquals(DataType.WORD, rndw.type)
assertEquals(DataType.FLOAT, rndf.type)
assertNotEquals(rndb1.integerValue(), rndb2.integerValue())
assertTrue(rndf.numericValue().toDouble() > 0.0 && rndf.numericValue().toDouble() < 1.0)
vm.step(2)
assertEquals(Value(DataType.FLOAT, 0.28582414234140724), vm.evalstack.pop())
}
@Test
fun testLess() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 2),
Value(DataType.WORD, 20), // 1
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 1
Value(DataType.WORD, 21),
Value(DataType.BYTE, 21), // 0
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 0
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21.0001) // 1
)
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val expected = listOf(1, 0, 1, 1, 0, 0, 1)
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testComparisonOperator(values, expected, Opcode.LESS)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.LESS) // can't compare strings
}
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}
@Test
fun testLessEq() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 21),
Value(DataType.WORD, 20), // 0
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 1
Value(DataType.WORD, 21),
Value(DataType.BYTE, 22), // 1
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 1
Value(DataType.BYTE, 22),
Value(DataType.FLOAT, 21.999) // 0
)
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val expected = listOf(1,1,0,1,1,1,0)
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testComparisonOperator(values, expected, Opcode.LESSEQ)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.LESSEQ) // can't compare strings
}
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}
@Test
fun testGreater() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 20),
Value(DataType.WORD, 2), // 1
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 0
Value(DataType.WORD, 21),
Value(DataType.BYTE, 20), // 1
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 0
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 20.9999) // 1
)
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val expected = listOf(0, 0, 1, 0, 1, 0, 1)
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testComparisonOperator(values, expected, Opcode.GREATER)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.GREATER) // can't compare strings
}
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}
@Test
fun testGreaterEq() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 21),
Value(DataType.WORD, 20), // 1
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 0
Value(DataType.WORD, 21),
Value(DataType.BYTE, 22), // 0
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 1
Value(DataType.BYTE, 22),
Value(DataType.FLOAT, 21.999) // 1
)
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val expected = listOf(0,1,1,0,0,1,1)
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testComparisonOperator(values, expected, Opcode.GREATEREQ)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.GREATEREQ) // can't compare strings
}
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}
@Test
fun testEqual() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 21),
Value(DataType.WORD, 20), // 0
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 0
Value(DataType.WORD, 21),
Value(DataType.BYTE, 21), // 1
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 1
Value(DataType.BYTE, 22),
Value(DataType.FLOAT, 21.999) // 0
)
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val expected = listOf(0,1,0,0,1,1,0)
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testComparisonOperator(values, expected, Opcode.EQUAL)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.EQUAL) // can't compare strings
}
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}
@Test
fun testNotEqual() {
val values = listOf(
Value(DataType.BYTE, 0),
Value(DataType.BYTE, 1), // 1
Value(DataType.BYTE, 1),
Value(DataType.BYTE, 1), // 0
Value(DataType.BYTE, 21),
Value(DataType.WORD, 20), // 1
Value(DataType.WORD, 20),
Value(DataType.BYTE, 21), // 1
Value(DataType.WORD, 21),
Value(DataType.BYTE, 21), // 0
Value(DataType.BYTE, 21),
Value(DataType.FLOAT, 21), // 0
Value(DataType.BYTE, 22),
Value(DataType.FLOAT, 21.999) // 1
)
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val expected = listOf(1,0,1,1,0,0,1)
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testComparisonOperator(values, expected, Opcode.NOTEQUAL)
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val valuesInvalid = listOf(
Value(DataType.STR, null, stringvalue = "hello"),
Value(DataType.STR, null, stringvalue = "hello")
)
assertFailsWith<VmExecutionException> {
testComparisonOperator(valuesInvalid, listOf(0), Opcode.NOTEQUAL) // can't compare strings
}
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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}
@Test
fun testBCC() {
val ins = mutableListOf(
Instruction(Opcode.SEC),
Instruction(Opcode.BCC, callLabel = "label"),
Instruction(Opcode.CLC),
Instruction(Opcode.BCC, callLabel = "label"),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
fun testBCS() {
val ins = mutableListOf(
Instruction(Opcode.CLC),
Instruction(Opcode.BCS, callLabel = "label"),
Instruction(Opcode.SEC),
Instruction(Opcode.BCS, callLabel = "label"),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
assertFalse(vm.P_carry)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
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fun testBZ() {
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val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 1)),
tweak branches
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Instruction(Opcode.BZ, callLabel = "label"),
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Instruction(Opcode.PUSH, Value(DataType.WORD, 0)),
tweak branches
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Instruction(Opcode.BZ, callLabel = "label"),
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Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
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fun testBNZ() {
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val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0)),
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Instruction(Opcode.BNZ, callLabel = "label"),
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Instruction(Opcode.PUSH, Value(DataType.WORD, 1)),
tweak branches
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Instruction(Opcode.BNZ, callLabel = "label"),
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Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
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fun testBNEG() {
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0)),
tweak branches
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Instruction(Opcode.BNEG, callLabel = "label"),
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Instruction(Opcode.PUSH, Value(DataType.WORD, 1)),
tweak branches
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Instruction(Opcode.BNEG, callLabel = "label"),
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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Instruction(Opcode.PUSH, Value(DataType.FLOAT, -99)),
tweak branches
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Instruction(Opcode.BNEG, callLabel = "label"),
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
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fun testBPOS() {
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, -99)),
tweak branches
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Instruction(Opcode.BPOS, callLabel = "label"),
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Instruction(Opcode.PUSH, Value(DataType.WORD, 0)),
tweak branches
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Instruction(Opcode.BPOS, callLabel = "label"),
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Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("", vm.sourceLine)
vm.step(3)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
fun testJump() {
val ins = mutableListOf(
Instruction(Opcode.JUMP, callLabel = "label"),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string2")))
val labels = mapOf("label" to ins.last()) // points to the second LINE instruction
vm.load(makeProg(ins, labels=labels), null)
vm.step(2)
assertEquals("string2", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
fun testReturn() {
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// @todo this only tests return with zero return values for now.
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val ins = mutableListOf(
Instruction(Opcode.RETURN),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "string1"))
)
vm.load(makeProg(ins), null)
assertFailsWith<VmTerminationException> {
vm.step(1)
}
vm.callstack.add(ins[2]) // set the LINE opcode as return instruction
assertEquals("", vm.sourceLine)
vm.step(2)
assertEquals("string1", vm.sourceLine)
assertEquals(0, vm.callstack.size)
assertEquals(0, vm.evalstack.size)
}
@Test
fun testCall() {
changed float handling and appropriate compiler messages
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// @todo this only tests call with zero parameters for now.
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
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val ins = mutableListOf(
Instruction(Opcode.CALL, callLabel = "label"),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "returned")),
Instruction(Opcode.TERMINATE),
Instruction(Opcode.LINE, Value(DataType.STR, null, stringvalue = "called")),
Instruction(Opcode.RETURN)
)
val labels = mapOf("label" to ins[3]) // points to the LINE instruction
vm.load(makeProg(ins, labels = labels), null)
vm.step(1)
assertEquals("", vm.sourceLine)
assertEquals(1, vm.callstack.size)
assertSame(ins[1], vm.callstack.peek())
vm.step(1)
assertEquals("called", vm.sourceLine)
vm.step(1)
assertEquals(0, vm.callstack.size)
assertEquals("called", vm.sourceLine)
vm.step(1)
assertEquals("returned", vm.sourceLine)
}
more opcodes unit tested
2018-09-22 12:16:48 +00:00
@Test
fun testSHR() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 9.99)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 3)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 61005)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 3)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 249)),
Instruction(Opcode.SHR), // 124
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHR), // 1
Instruction(Opcode.SHR), // 0
Instruction(Opcode.SHR), // 0
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHR), // 30502
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHR), // 1
Instruction(Opcode.SHR), // 0
Instruction(Opcode.SHR), // 0
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHR) // error
)
vm.load(makeProg(ins), null)
vm.step(6)
assertEquals(Value(DataType.BYTE, 124), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.BYTE, 1), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.BYTE, 0), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.WORD, 30502), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.WORD, 1), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.WORD, 0), vm.evalstack.peek())
vm.step(1)
assertEquals(Value(DataType.FLOAT, 9.99), vm.evalstack.peek())
assertFailsWith<VmExecutionException> {
vm.step(1) // float shift error
}
}
@Test
fun testSHL() {
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.FLOAT, 9.99)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 3)),
Instruction(Opcode.PUSH, Value(DataType.WORD, 61005)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 3)),
Instruction(Opcode.PUSH, Value(DataType.BYTE, 249)),
Instruction(Opcode.SHL), // 242
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHL), // 6
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHL), // 56474
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHL), // 6
Instruction(Opcode.DISCARD),
Instruction(Opcode.SHL) // error
)
vm.load(makeProg(ins), null)
vm.step(6)
assertEquals(Value(DataType.BYTE, 242), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.BYTE, 6), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.WORD, 56474), vm.evalstack.peek())
vm.step(2)
assertEquals(Value(DataType.WORD, 6), vm.evalstack.peek())
vm.step(1)
assertEquals(Value(DataType.FLOAT, 9.99), vm.evalstack.peek())
assertFailsWith<VmExecutionException> {
vm.step(1) // float shift error
}
}
@Test
fun testROR() {
// 9/17-bit rotation right (using carry)
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0b10010011)),
Instruction(Opcode.ROR), // 0b01001001 c=1
Instruction(Opcode.ROR), // 0b10100100 c=1
Instruction(Opcode.ROR), // 0b11010010 c=0
Instruction(Opcode.ROR), // 0b01101001 c=0
Instruction(Opcode.ROR), // 0b00110100 c=1
Instruction(Opcode.ROR), // 0b10011010 c=0
Instruction(Opcode.ROR), // 0b01001101 c=0
Instruction(Opcode.ROR), // 0b00100110 c=1
Instruction(Opcode.ROR) // 0b10010011 c=0 (original value after 9 rors)
)
vm.load(makeProg(ins), null)
vm.step(2)
assertEquals(Value(DataType.BYTE, 0b01001001), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b10100100), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b11010010), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b01101001), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(5)
assertEquals(Value(DataType.BYTE, 0b10010011), vm.evalstack.peek())
assertFalse(vm.P_carry)
val ins2 = mutableListOf(
Instruction(Opcode.CLC),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0b1001001100001101)),
Instruction(Opcode.ROR), // 0b0100100110000110 c=1
Instruction(Opcode.ROR), // 0b1010010011000011 c=0
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR),
Instruction(Opcode.ROR) // 0b1001001100001101 c=0 (original value after 17 rors)
)
vm.load(makeProg(ins2), null)
vm.step(3)
assertEquals(Value(DataType.WORD, 0b0100100110000110), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.WORD, 0b1010010011000011), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(15)
assertEquals(Value(DataType.WORD, 0b1001001100001101), vm.evalstack.peek())
assertFalse(vm.P_carry)
}
@Test
fun testROL() {
// 9/17-bit rotation left (using carry)
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0b10010011)),
Instruction(Opcode.ROL), // 0b00100110 c=1
Instruction(Opcode.ROL), // 0b01001101 c=0
Instruction(Opcode.ROL), // 0b10011010 c=0
Instruction(Opcode.ROL), // 0b00110100 c=1
Instruction(Opcode.ROL), // 0b01101001 c=0
Instruction(Opcode.ROL), // 0b11010010 c=0
Instruction(Opcode.ROL), // 0b10100100 c=1
Instruction(Opcode.ROL), // 0b01001001 c=1
Instruction(Opcode.ROL) // 0b10010011 c=0 (original value after 9 rors)
)
vm.load(makeProg(ins), null)
vm.step(2)
assertEquals(Value(DataType.BYTE, 0b00100110), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b01001101), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b10011010), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b00110100), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(5)
assertEquals(Value(DataType.BYTE, 0b10010011), vm.evalstack.peek())
assertFalse(vm.P_carry)
val ins2 = mutableListOf(
Instruction(Opcode.CLC),
Instruction(Opcode.PUSH, Value(DataType.WORD, 0b1001001100001101)),
Instruction(Opcode.ROL), // 0b0010011000011010 c=1
Instruction(Opcode.ROL), // 0b0100110000110101 c=0
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL),
Instruction(Opcode.ROL) // 0b1001001100001101 c=0 (original value after 17 rors)
)
vm.load(makeProg(ins2), null)
vm.step(3)
assertEquals(Value(DataType.WORD, 0b0010011000011010), vm.evalstack.peek())
assertTrue(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.WORD, 0b0100110000110101), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(15)
assertEquals(Value(DataType.WORD, 0b1001001100001101), vm.evalstack.peek())
assertFalse(vm.P_carry)
}
@Test
fun testROR2() {
// 8/16-bit rotation right
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0b10010011)),
Instruction(Opcode.ROR2), // 0b11001001
Instruction(Opcode.ROR2), // 0b11100100
Instruction(Opcode.ROR2), // 0b01110010
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2) // 0b10010011 (original value after 8 rors)
)
vm.load(makeProg(ins), null)
vm.step(2)
assertEquals(Value(DataType.BYTE, 0b11001001), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b11100100), vm.evalstack.peek())
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b01110010), vm.evalstack.peek())
vm.step(5)
assertEquals(Value(DataType.BYTE, 0b10010011), vm.evalstack.peek())
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0b1001001100001101)),
Instruction(Opcode.ROR2), // 0b1100100110000110
Instruction(Opcode.ROR2), // 0b0110010011000011
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2),
Instruction(Opcode.ROR2) // 0b1001001100001101 (original value after 16 rors)
)
vm.load(makeProg(ins2), null)
vm.step(2)
assertEquals(Value(DataType.WORD, 0b1100100110000110), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.WORD, 0b0110010011000011), vm.evalstack.peek())
vm.step(14)
assertEquals(Value(DataType.WORD, 0b1001001100001101), vm.evalstack.peek())
}
@Test
fun testROL2() {
// 8/16-bit rotation left
val ins = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.BYTE, 0b10010011)),
Instruction(Opcode.ROL2), // 0b00100111
Instruction(Opcode.ROL2), // 0b01001110
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2) // 0b10010011 (original value after 8 rols)
)
vm.load(makeProg(ins), null)
vm.step(2)
assertEquals(Value(DataType.BYTE, 0b00100111), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.BYTE, 0b01001110), vm.evalstack.peek())
vm.step(6)
assertEquals(Value(DataType.BYTE, 0b10010011), vm.evalstack.peek())
val ins2 = mutableListOf(
Instruction(Opcode.PUSH, Value(DataType.WORD, 0b1001001100001101)),
Instruction(Opcode.ROL2), // 0b0010011000011011
Instruction(Opcode.ROL2), // 0b0100110000110110
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2),
Instruction(Opcode.ROL2) // 0b1001001100001101 (original value after 16 rols)
)
vm.load(makeProg(ins2), null)
vm.step(2)
assertEquals(Value(DataType.WORD, 0b0010011000011011), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(1)
assertEquals(Value(DataType.WORD, 0b0100110000110110), vm.evalstack.peek())
assertFalse(vm.P_carry)
vm.step(14)
assertEquals(Value(DataType.WORD, 0b1001001100001101), vm.evalstack.peek())
}
unit tests for most of the StackVM opcodes. Fixed some opcode behaviors.
2018-09-21 00:20:37 +00:00
private fun testComparisonOperator(values: List<Value>, expected: List<Int>, operator: Opcode) {
assertEquals(values.size, expected.size*2)
val ins = mutableListOf<Instruction>()
val vars = values.iterator()
while(vars.hasNext()) {
ins.add(Instruction(Opcode.PUSH, vars.next()))
ins.add(Instruction(Opcode.PUSH, vars.next()))
ins.add(Instruction(operator))
}
vm.load(makeProg(ins), null)
for(expectedValue in expected) {
vm.step(3)
assertEquals(Value(DataType.BYTE, expectedValue), vm.evalstack.pop())
}
}
private fun testBinaryOperator(values: List<Value>, operator: Opcode, expected: List<Value>) {
assertEquals(values.size, expected.size+1)
val ins = mutableListOf<Instruction>()
for (value in values)
ins.add(Instruction(Opcode.PUSH, value))
for (i in 1 until values.size)
ins.add(Instruction(operator))
vm.load(makeProg(ins), null)
vm.step(values.size)
assertEquals(values.size, vm.evalstack.size)
for (expectedVal in expected) {
vm.step(1)
assertEquals(expectedVal, vm.evalstack.peek())
}
assertFailsWith<VmTerminationException> {
vm.step(1)
}
}
private fun testUnaryOperator(values: List<Value>, operator: Opcode, expected: List<Value>) {
assertEquals(values.size, expected.size)
val ins = mutableListOf<Instruction>()
for (value in values)
ins.add(Instruction(Opcode.PUSH, value))
for (i in 1..values.size) {
ins.add(Instruction(operator))
ins.add(Instruction(Opcode.DISCARD))
}
vm.load(makeProg(ins), null)
vm.step(values.size)
assertEquals(values.size, vm.evalstack.size)
for (expectedVal in expected) {
vm.step(1)
assertEquals(expectedVal, vm.evalstack.peek())
vm.step(1)
}
assertTrue(vm.evalstack.empty())
assertFailsWith<VmTerminationException> {
vm.step(1)
}
}
}
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