prog8/compiler/test/ast/TestProgram.kt
2022-03-21 01:36:11 +01:00

110 lines
4.3 KiB
Kotlin

package prog8tests.ast
import io.kotest.assertions.throwables.shouldThrow
import io.kotest.assertions.withClue
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.collections.shouldBeIn
import io.kotest.matchers.shouldBe
import io.kotest.matchers.string.shouldContain
import io.kotest.matchers.types.shouldBeSameInstanceAs
import prog8.ast.Module
import prog8.ast.Program
import prog8.code.core.Position
import prog8.code.core.SourceCode
import prog8.code.core.internedStringsModuleName
import prog8tests.helpers.DummyFunctions
import prog8tests.helpers.DummyMemsizer
import prog8tests.helpers.DummyStringEncoder
class TestProgram: FunSpec({
context("Constructor") {
test("withNameBuiltinsAndMemsizer") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
program.modules.size shouldBe 1
program.modules[0].name shouldBe internedStringsModuleName
program.modules[0].program shouldBeSameInstanceAs program
program.modules[0].parent shouldBeSameInstanceAs program.namespace
}
}
context("AddModule") {
test("withEmptyModule") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val m1 = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("bar"))
val retVal = program.addModule(m1)
retVal shouldBeSameInstanceAs program
program.modules.size shouldBe 2
m1 shouldBeIn program.modules
m1.program shouldBeSameInstanceAs program
m1.parent shouldBeSameInstanceAs program.namespace
withClue("module may not occur multiple times") {
val ex = shouldThrow<IllegalArgumentException> { program.addModule(m1) }
ex.message shouldContain m1.name
}
val m2 = Module(mutableListOf(), m1.position, m1.source)
withClue("other module but with same name may not occur multiple times") {
val ex = shouldThrow<IllegalArgumentException> { program.addModule(m2) }
ex.message shouldContain m1.name
}
}
}
context("MoveModuleToFront") {
test("withInternedStringsModule") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val m = program.modules[0]
m.name shouldBe internedStringsModuleName
val retVal = program.moveModuleToFront(m)
retVal shouldBeSameInstanceAs program
program.modules[0] shouldBeSameInstanceAs m
}
test("withForeignModule") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val m = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("bar"))
shouldThrow<IllegalArgumentException> { program.moveModuleToFront(m) }
}
test("withFirstOfPreviouslyAddedModules") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val m1 = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("bar"))
val m2 = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("qmbl"))
program.addModule(m1)
program.addModule(m2)
val retVal = program.moveModuleToFront(m1)
retVal shouldBeSameInstanceAs program
program.modules.indexOf(m1) shouldBe 0
}
test("withSecondOfPreviouslyAddedModules") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val m1 = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("bar"))
val m2 = Module(mutableListOf(), Position.DUMMY, SourceCode.Generated("qmbl"))
program.addModule(m1)
program.addModule(m2)
val retVal = program.moveModuleToFront(m2)
retVal shouldBeSameInstanceAs program
program.modules.indexOf(m2) shouldBe 0
}
}
context("Properties") {
test("modules") {
val program = Program("foo", DummyFunctions, DummyMemsizer, DummyStringEncoder)
val ms1 = program.modules
val ms2 = program.modules
ms2 shouldBeSameInstanceAs ms1
}
}
})