* refactor compiler tests, again prog8test.helpers (TODO: remove duplication)

This commit is contained in:
meisl 2021-07-11 18:18:27 +02:00
parent 43c5ab8ecc
commit 5e194536a8
11 changed files with 173 additions and 169 deletions

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@ -1,11 +1,10 @@
package prog8tests
import org.junit.jupiter.api.*
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.equalTo
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import prog8.ast.IBuiltinFunctions
import prog8.ast.IMemSizer
import prog8tests.helpers.*
import prog8.ast.Module
import prog8.ast.Program
import prog8.ast.base.*
@ -17,18 +16,9 @@ import prog8.compiler.target.c64.C64MachineDefinition
import prog8.compiler.target.cpu6502.codegen.AsmGen
import java.nio.file.Path
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestAsmGen6502 {
private class DummyFunctions: IBuiltinFunctions {
override val names: Set<String> = emptySet()
override val purefunctionNames: Set<String> = emptySet()
override fun constValue(name: String, args: List<Expression>, position: Position, memsizer: IMemSizer): NumericLiteralValue? = null
override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
}
private class DummyMemsizer: IMemSizer {
override fun memorySize(dt: DataType): Int = 0
}
private fun createTestProgram(): Program {
/*
@ -76,7 +66,7 @@ locallabel:
val module = Module("test", mutableListOf(block), Position.DUMMY, null)
module.linkParents(ParentSentinel)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.program = program
return program
}

101
compiler/test/Helpers.kt Normal file
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@ -0,0 +1,101 @@
package prog8tests.helpers
import kotlin.test.*
import kotlin.io.path.*
import java.nio.file.Path
import prog8.ast.IBuiltinFunctions
import prog8.ast.IMemSizer
import prog8.ast.IStringEncoding
import prog8.ast.base.DataType
import prog8.ast.base.Position
import prog8.ast.expressions.Expression
import prog8.ast.expressions.InferredTypes
import prog8.ast.expressions.NumericLiteralValue
import prog8.compiler.CompilationResult
import prog8.compiler.compileProgram
import prog8.compiler.target.ICompilationTarget
// TODO: find a way to share with compiler/test/Helpers.kt, while still being able to amend it (-> compileFixture(..))
internal fun compileFixture(
filename: String,
platform: ICompilationTarget,
optimize: Boolean = false
) : CompilationResult {
val filepath = fixturesDir.resolve(filename)
assumeReadableFile(filepath)
val result = compileProgram(
filepath,
optimize,
writeAssembly = true,
slowCodegenWarnings = false,
platform.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
return result
}
val workingDir = Path("").absolute() // Note: Path(".") does NOT work..!
val fixturesDir = workingDir.resolve("test/fixtures")
val resourcesDir = workingDir.resolve("res")
val outputDir = workingDir.resolve("build/tmp/test")
inline fun assumeReadable(path: Path) {
assertTrue(path.isReadable(), "sanity check: should be readable: ${path.absolute()}")
}
inline fun assumeReadableFile(path: Path) {
assertTrue(path.isRegularFile(), "sanity check: should be normal file: ${path.absolute()}")
}
inline fun assumeDirectory(path: Path) {
assertTrue(path.isDirectory(), "sanity check; should be directory: $path")
}
inline fun assumeNotExists(path: Path) {
assertFalse(path.exists(), "sanity check: should not exist: ${path.absolute()}")
}
inline fun sanityCheckDirectories(workingDirName: String? = null) {
if (workingDirName != null)
assertEquals(workingDirName, workingDir.fileName.toString(), "name of current working dir")
assumeDirectory(workingDir)
assumeDirectory(fixturesDir)
assumeDirectory(resourcesDir)
assumeDirectory(outputDir)
}
val DummyEncoding = object : IStringEncoding {
override fun encodeString(str: String, altEncoding: Boolean): List<Short> {
TODO("Not yet implemented")
}
override fun decodeString(bytes: List<Short>, altEncoding: Boolean): String {
TODO("Not yet implemented")
}
}
val DummyFunctions = object : IBuiltinFunctions {
override val names: Set<String> = emptySet()
override val purefunctionNames: Set<String> = emptySet()
override fun constValue(
name: String,
args: List<Expression>,
position: Position,
memsizer: IMemSizer
): NumericLiteralValue? = null
override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
}
val DummyMemsizer = object : IMemSizer {
override fun memorySize(dt: DataType): Int = 0
}

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@ -1,16 +1,14 @@
package prog8tests
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import kotlin.io.path.*
import org.junit.jupiter.api.*
import kotlin.test.*
import prog8tests.helpers.*
import prog8.ast.IFunctionCall
import prog8.ast.base.DataType
import prog8.ast.base.VarDeclType
import prog8.ast.expressions.IdentifierReference
import prog8.ast.expressions.NumericLiteralValue
import prog8.compiler.compileProgram
import prog8.compiler.target.Cx16Target
@ -21,31 +19,16 @@ import prog8.compiler.target.Cx16Target
*/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestCompilerOnCharLit {
val workingDir = Path("").absolute() // Note: Path(".") does NOT work..!
val fixturesDir = workingDir.resolve("test/fixtures")
val outputDir = workingDir.resolve("build/tmp/test")
@Test
fun sanityCheckDirectories() {
assertEquals("compiler", workingDir.fileName.toString())
assertTrue(fixturesDir.isDirectory(), "sanity check; should be directory: $fixturesDir")
assertTrue(outputDir.isDirectory(), "sanity check; should be directory: $outputDir")
@BeforeAll
fun setUp() {
sanityCheckDirectories("compiler")
}
@Test
fun testCharLitAsRomsubArg() {
val filepath = fixturesDir.resolve("charLitAsRomsubArg.p8")
val compilationTarget = Cx16Target
val result = compileProgram(
filepath,
optimize = false,
writeAssembly = true,
slowCodegenWarnings = false,
compilationTarget.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
val platform = Cx16Target
val result = compileFixture("charLitAsRomsubArg.p8", platform)
val program = result.programAst
val startSub = program.entrypoint()
@ -55,23 +38,14 @@ class TestCompilerOnCharLit {
"char literal should have been replaced by ubyte literal")
val arg = funCall.args[0] as NumericLiteralValue
assertEquals(DataType.UBYTE, arg.type)
assertEquals(compilationTarget.encodeString("\n", false)[0], arg.number)
assertEquals(platform.encodeString("\n", false)[0], arg.number)
}
@Test
fun testCharVarAsRomsubArg() {
val filepath = fixturesDir.resolve("charVarAsRomsubArg.p8")
val compilationTarget = Cx16Target
val result = compileProgram(
filepath,
optimize = false,
writeAssembly = true,
slowCodegenWarnings = false,
compilationTarget.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
val platform = Cx16Target
val result = compileFixture("charVarAsRomsubArg.p8", platform)
val program = result.programAst
val startSub = program.entrypoint()
val funCall = startSub.statements.filterIsInstance<IFunctionCall>()[0]
@ -91,23 +65,14 @@ class TestCompilerOnCharLit {
"char literal should have been replaced by ubyte literal")
val initializerValue = decl.value as NumericLiteralValue
assertEquals(DataType.UBYTE, initializerValue.type)
assertEquals(compilationTarget.encodeString("\n", false)[0], initializerValue.number)
assertEquals(platform.encodeString("\n", false)[0], initializerValue.number)
}
@Test
fun testCharConstAsRomsubArg() {
val filepath = fixturesDir.resolve("charConstAsRomsubArg.p8")
val compilationTarget = Cx16Target
val result = compileProgram(
filepath,
optimize = false,
writeAssembly = true,
slowCodegenWarnings = false,
compilationTarget.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
val platform = Cx16Target
val result = compileFixture("charConstAsRomsubArg.p8", platform)
val program = result.programAst
val startSub = program.entrypoint()
val funCall = startSub.statements.filterIsInstance<IFunctionCall>()[0]
@ -119,12 +84,12 @@ class TestCompilerOnCharLit {
assertEquals(VarDeclType.CONST, decl.type)
assertEquals(DataType.UBYTE, decl.datatype)
assertEquals(
compilationTarget.encodeString("\n", false)[0],
platform.encodeString("\n", false)[0],
(decl.value as NumericLiteralValue).number)
}
is NumericLiteralValue -> {
assertEquals(
compilationTarget.encodeString("\n", false)[0],
platform.encodeString("\n", false)[0],
arg.number)
}
else -> assertIs<IdentifierReference>(funCall.args[0]) // make test fail

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@ -1,9 +1,8 @@
package prog8tests
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import org.junit.jupiter.api.*
import kotlin.test.*
import kotlin.io.path.*
import prog8tests.helpers.*
import prog8.compiler.compileProgram
import prog8.compiler.target.C64Target
@ -17,21 +16,17 @@ import prog8.compiler.target.ICompilationTarget
*/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestCompilerOnExamples {
val workingDir = Path("").absolute() // Note: Path(".") does NOT work..!
val examplesDir = workingDir.resolve("../examples")
val outputDir = workingDir.resolve("build/tmp/test")
private val examplesDir = workingDir.resolve("../examples")
@Test
fun sanityCheckDirectories() {
assertEquals("compiler", workingDir.fileName.toString())
assertTrue(examplesDir.isDirectory(), "sanity check; should be directory: $examplesDir")
assertTrue(outputDir.isDirectory(), "sanity check; should be directory: $outputDir")
@BeforeAll
fun setUp() {
sanityCheckDirectories("compiler")
assumeDirectory(examplesDir)
}
// TODO: make assembly stage testable - in case of failure (eg of 64tass) it Process.exit s
fun testExample(nameWithoutExt: String, platform: ICompilationTarget, optimize: Boolean) {
private fun testExample(nameWithoutExt: String, platform: ICompilationTarget, optimize: Boolean) {
val filepath = examplesDir.resolve("$nameWithoutExt.p8")
val result = compileProgram(
filepath,

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@ -1,9 +1,8 @@
package prog8tests
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import kotlin.io.path.*
import org.junit.jupiter.api.*
import kotlin.test.*
import prog8tests.helpers.*
import prog8.ast.expressions.AddressOf
import prog8.ast.expressions.IdentifierReference
@ -12,6 +11,7 @@ import prog8.ast.statements.FunctionCallStatement
import prog8.ast.statements.Label
import prog8.compiler.compileProgram
import prog8.compiler.target.Cx16Target
import kotlin.io.path.name
/**
@ -21,36 +21,21 @@ import prog8.compiler.target.Cx16Target
*/
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestCompilerOnImportsAndIncludes {
val workingDir = Path("").absolute() // Note: Path(".") does NOT work..!
val fixturesDir = workingDir.resolve("test/fixtures")
val outputDir = workingDir.resolve("build/tmp/test")
@Test
fun sanityCheckDirectories() {
assertEquals("compiler", workingDir.fileName.toString())
assertTrue(fixturesDir.isDirectory(), "sanity check; should be directory: $fixturesDir")
assertTrue(outputDir.isDirectory(), "sanity check; should be directory: $outputDir")
@BeforeAll
fun setUp() {
sanityCheckDirectories("compiler")
}
@Test
fun testImportFromSameFolder() {
val filepath = fixturesDir.resolve("importFromSameFolder.p8")
val imported = fixturesDir.resolve("foo_bar.p8")
assumeReadableFile(filepath)
assumeReadableFile(imported)
assertTrue(filepath.isRegularFile(), "sanity check; should be regular file: $filepath")
assertTrue(imported.isRegularFile(), "sanity check; should be regular file: $imported")
val compilationTarget = Cx16Target
val result = compileProgram(
filepath,
optimize = false,
writeAssembly = true,
slowCodegenWarnings = false,
compilationTarget.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
val platform = Cx16Target
val result = compileFixture(filepath.name, platform)
val program = result.programAst
val startSub = program.entrypoint()
@ -69,21 +54,11 @@ class TestCompilerOnImportsAndIncludes {
fun testAsmIncludeFromSameFolder() {
val filepath = fixturesDir.resolve("asmIncludeFromSameFolder.p8")
val included = fixturesDir.resolve("foo_bar.asm")
assumeReadableFile(filepath)
assumeReadableFile(included)
assertTrue(filepath.isRegularFile(), "sanity check; should be regular file: $filepath")
assertTrue(included.isRegularFile(), "sanity check; should be regular file: $included")
val compilationTarget = Cx16Target
val result = compileProgram(
filepath,
optimize = false,
writeAssembly = true,
slowCodegenWarnings = false,
compilationTarget.name,
libdirs = listOf(),
outputDir
)
assertTrue(result.success, "compilation should succeed")
val platform = Cx16Target
val result = compileFixture(filepath.name, platform)
val program = result.programAst
val startSub = program.entrypoint()

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@ -1,8 +1,9 @@
package prog8tests
import org.junit.jupiter.api.Test
import prog8.ast.IBuiltinFunctions
import prog8.ast.IMemSizer
import org.junit.jupiter.api.*
import kotlin.test.*
import prog8tests.helpers.*
import prog8.ast.Module
import prog8.ast.Program
import prog8.ast.base.DataType
@ -12,29 +13,16 @@ import prog8.ast.base.VarDeclType
import prog8.ast.expressions.*
import prog8.ast.statements.*
import prog8.compiler.target.C64Target
import java.nio.file.Path
import kotlin.test.assertFalse
import kotlin.test.assertTrue
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestMemory {
private class DummyFunctions: IBuiltinFunctions {
override val names: Set<String> = emptySet()
override val purefunctionNames: Set<String> = emptySet()
override fun constValue(name: String, args: List<Expression>, position: Position, memsizer: IMemSizer): NumericLiteralValue? = null
override fun returnType(name: String, args: MutableList<Expression>) = InferredTypes.InferredType.unknown()
}
private class DummyMemsizer: IMemSizer {
override fun memorySize(dt: DataType): Int = 0
}
@Test
fun testInValidRamC64_memory_addresses() {
var memexpr = NumericLiteralValue.optimalInteger(0x0000, Position.DUMMY)
var target = AssignTarget(null, null, DirectMemoryWrite(memexpr, Position.DUMMY), Position.DUMMY)
val program = Program("test", mutableListOf(), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(), DummyFunctions, DummyMemsizer)
assertTrue(C64Target.isInRegularRAM(target, program))
memexpr = NumericLiteralValue.optimalInteger(0x1000, Position.DUMMY)
@ -59,7 +47,7 @@ class TestMemory {
var memexpr = NumericLiteralValue.optimalInteger(0xa000, Position.DUMMY)
var target = AssignTarget(null, null, DirectMemoryWrite(memexpr, Position.DUMMY), Position.DUMMY)
val program = Program("test", mutableListOf(), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(), DummyFunctions, DummyMemsizer)
assertFalse(C64Target.isInRegularRAM(target, program))
memexpr = NumericLiteralValue.optimalInteger(0xafff, Position.DUMMY)
@ -78,7 +66,7 @@ class TestMemory {
@Test
fun testInValidRamC64_memory_identifiers() {
var target = createTestProgramForMemoryRefViaVar(0x1000, VarDeclType.VAR)
val program = Program("test", mutableListOf(), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(), DummyFunctions, DummyMemsizer)
assertTrue(C64Target.isInRegularRAM(target, program))
target = createTestProgramForMemoryRefViaVar(0xd020, VarDeclType.VAR)
@ -107,7 +95,7 @@ class TestMemory {
fun testInValidRamC64_memory_expression() {
val memexpr = PrefixExpression("+", NumericLiteralValue.optimalInteger(0x1000, Position.DUMMY), Position.DUMMY)
val target = AssignTarget(null, null, DirectMemoryWrite(memexpr, Position.DUMMY), Position.DUMMY)
val program = Program("test", mutableListOf(), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(), DummyFunctions, DummyMemsizer)
assertFalse(C64Target.isInRegularRAM(target, program))
}
@ -118,7 +106,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertTrue(C64Target.isInRegularRAM(target, program))
}
@ -131,7 +119,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertTrue(C64Target.isInRegularRAM(target, program))
}
@ -144,7 +132,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertFalse(C64Target.isInRegularRAM(target, program))
}
@ -157,7 +145,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertTrue(C64Target.isInRegularRAM(target, program))
}
@ -171,7 +159,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertTrue(C64Target.isInRegularRAM(target, program))
}
@ -185,7 +173,7 @@ class TestMemory {
val assignment = Assignment(target, NumericLiteralValue.optimalInteger(0, Position.DUMMY), Position.DUMMY)
val subroutine = Subroutine("test", emptyList(), emptyList(), emptyList(), emptyList(), emptySet(), null, false, false, mutableListOf(decl, assignment), Position.DUMMY)
val module = Module("test", mutableListOf(subroutine), Position.DUMMY, null)
val program = Program("test", mutableListOf(module), DummyFunctions(), DummyMemsizer())
val program = Program("test", mutableListOf(module), DummyFunctions, DummyMemsizer)
module.linkParents(ParentSentinel)
assertFalse(C64Target.isInRegularRAM(target, program))
}

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@ -1,17 +1,16 @@
package prog8tests
import org.junit.jupiter.api.*
import kotlin.test.*
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.closeTo
import org.hamcrest.Matchers.equalTo
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import prog8.ast.toHex
import prog8.compiler.CompilerException
import prog8.compiler.target.c64.C64MachineDefinition.FLOAT_MAX_NEGATIVE
import prog8.compiler.target.c64.C64MachineDefinition.FLOAT_MAX_POSITIVE
import prog8.compiler.target.c64.C64MachineDefinition.Mflpt5
import kotlin.test.assertEquals
import kotlin.test.assertFailsWith
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestNumbers {

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@ -1,19 +1,14 @@
package prog8tests
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import org.junit.jupiter.api.*
import kotlin.test.*
import prog8.ast.base.DataType
import prog8.ast.base.Position
import prog8.ast.expressions.ArrayLiteralValue
import prog8.ast.expressions.InferredTypes
import prog8.ast.expressions.NumericLiteralValue
import prog8.ast.expressions.StringLiteralValue
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertNotEquals
import kotlin.test.assertTrue
@TestInstance(TestInstance.Lifecycle.PER_CLASS)
class TestNumericLiteralValue {

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@ -1,15 +1,15 @@
package prog8tests
import org.junit.jupiter.api.*
import kotlin.test.*
import org.hamcrest.MatcherAssert.assertThat
import org.hamcrest.Matchers.equalTo
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import prog8.ast.base.DataType
import prog8.ast.base.Position
import prog8.ast.expressions.NumericLiteralValue
import prog8.ast.expressions.StringLiteralValue
import prog8.compiler.target.cbm.Petscii
import kotlin.test.*
@TestInstance(TestInstance.Lifecycle.PER_CLASS)

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@ -1,17 +1,14 @@
package prog8tests
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.TestInstance
import org.junit.jupiter.api.*
import kotlin.test.*
import prog8.ast.base.DataType
import prog8.compiler.*
import prog8.compiler.target.C64Target
import prog8.compiler.target.Cx16Target
import prog8.compiler.target.c64.C64MachineDefinition.C64Zeropage
import prog8.compiler.target.cx16.CX16MachineDefinition.CX16Zeropage
import kotlin.test.assertEquals
import kotlin.test.assertFailsWith
import kotlin.test.assertFalse
import kotlin.test.assertTrue
@TestInstance(TestInstance.Lifecycle.PER_CLASS)

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@ -47,7 +47,6 @@ inline fun sanityCheckDirectories(workingDirName: String? = null) {
}
val DummyEncoding = object : IStringEncoding {
override fun encodeString(str: String, altEncoding: Boolean): List<Short> {
TODO("Not yet implemented")