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add unit test for the string encoders special handling of 0x0000 and 0x8000-0x80ff

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This commit is contained in:
Irmen de Jong 2022-03-25 18:26:23 +01:00
parent 7424f1f768
commit 3e44620966
3 changed files with 24 additions and 2 deletions
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2
codeCore/src/prog8/code/target/Encoder.kt
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@ -9,7 +9,7 @@ import prog8.code.target.cbm.IsoEncoding
import prog8.code.target.cbm.PetsciiEncoding
internal object Encoder: IStringEncoding {
object Encoder: IStringEncoding {
override fun encodeString(str: String, encoding: Encoding): List<UByte> {
val coded = when(encoding) {
Encoding.PETSCII -> PetsciiEncoding.encodePetscii(str, true)

23
compiler/test/TestStringEncodings.kt
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@ -8,8 +8,12 @@ import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.shouldBe
import io.kotest.matchers.shouldNotBe
import io.kotest.matchers.string.shouldContain
import prog8.ast.antlr.unescape
import prog8.code.core.Encoding
import prog8.code.core.Position
import prog8.code.target.C64Target
import prog8.code.target.Cx16Target
import prog8.code.target.Encoder
import prog8.code.target.cbm.AtasciiEncoding
import prog8.code.target.cbm.IsoEncoding
import prog8.code.target.cbm.PetsciiEncoding
@ -210,6 +214,24 @@ class TestStringEncodings: FunSpec({
}
}
test("special pass-through") {
val passthroughEscaped= """\x00\x1b\x99\xff"""
val passthrough = unescape(passthroughEscaped, Position.DUMMY)
passthrough.length shouldBe 4
passthrough[0] shouldBe '\u8000'
passthrough[1] shouldBe '\u801b'
passthrough[2] shouldBe '\u8099'
passthrough[3] shouldBe '\u80ff'
var encoded = Encoder.encodeString(passthrough, Encoding.PETSCII)
encoded shouldBe listOf<UByte>(0u, 0x1bu, 0x99u, 0xffu)
encoded = Encoder.encodeString(passthrough, Encoding.ATASCII)
encoded shouldBe listOf<UByte>(0u, 0x1bu, 0x99u, 0xffu)
encoded = Encoder.encodeString(passthrough, Encoding.SCREENCODES)
encoded shouldBe listOf<UByte>(0u, 0x1bu, 0x99u, 0xffu)
encoded = Encoder.encodeString(passthrough, Encoding.ISO)
encoded shouldBe listOf<UByte>(0u, 0x1bu, 0x99u, 0xffu)
}
test("invalid encoding immediately errors the parser") {
val source="""
main {
@ -275,3 +297,4 @@ class TestStringEncodings: FunSpec({
compileText(Cx16Target(), false, source, writeAssembly = false) shouldNotBe null
}
})

1
docs/source/todo.rst
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@ -3,7 +3,6 @@ TODO
For next release
^^^^^^^^^^^^^^^^
- add unit test for the string encoders special handling of 0x0000 and 0x8000-0x80ff
...