prog8/compiler/test/TestPetscii.kt

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Kotlin
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package prog8tests
import com.github.michaelbull.result.Ok
import com.github.michaelbull.result.expectError
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import com.github.michaelbull.result.getOrElse
import io.kotest.assertions.throwables.shouldThrow
import io.kotest.assertions.withClue
import io.kotest.core.spec.style.FunSpec
import io.kotest.matchers.shouldBe
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import prog8.compiler.target.cbm.Petscii
import java.io.CharConversionException
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class TestPetscii: FunSpec({
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test("testZero") {
Petscii.encodePetscii("\u0000", true) shouldBe Ok(listOf<Short>(0))
Petscii.encodePetscii("\u0000", false) shouldBe Ok(listOf<Short>(0))
Petscii.decodePetscii(listOf(0), true) shouldBe "\u0000"
Petscii.decodePetscii(listOf(0), false) shouldBe "\u0000"
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}
test("testLowercase") {
Petscii.encodePetscii("hello WORLD 123 @!£", true) shouldBe
Ok(listOf<Short>(72, 69, 76, 76, 79, 32, 0xd7, 0xcf, 0xd2, 0xcc, 0xc4, 32, 49, 50, 51, 32, 64, 33, 0x5c))
Petscii.encodePetscii("\uf11a", true) shouldBe Ok(listOf<Short>(0x12)) // reverse vid
Petscii.encodePetscii("", true) shouldBe Ok(listOf<Short>(0xfa))
withClue("expect lowercase error fallback") {
Petscii.encodePetscii("π", true) shouldBe Ok(listOf<Short>(255))
Petscii.encodePetscii("", true) shouldBe Ok(listOf<Short>(0xd3))
}
Petscii.decodePetscii(listOf(72, 0xd7, 0x5c, 0xfa, 0x12), true) shouldBe "hW£✓\uF11A"
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}
test("testUppercase") {
Petscii.encodePetscii("HELLO 123 @!£") shouldBe
Ok(listOf<Short>(72, 69, 76, 76, 79, 32, 49, 50, 51, 32, 64, 33, 0x5c))
Petscii.encodePetscii("\uf11a") shouldBe Ok(listOf<Short>(0x12)) // reverse vid
Petscii.encodePetscii("") shouldBe Ok(listOf<Short>(0xd3))
Petscii.encodePetscii("π") shouldBe Ok(listOf<Short>(0xff))
withClue("expecting fallback") {
Petscii.encodePetscii("") shouldBe Ok(listOf<Short>(250))
}
Petscii.decodePetscii(listOf(72, 0x5c, 0xd3, 0xff)) shouldBe "H£♥π"
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}
test("testScreencodeLowercase") {
Petscii.encodeScreencode("hello WORLD 123 @!£", true) shouldBe
Ok(listOf<Short>(0x08, 0x05, 0x0c, 0x0c, 0x0f, 0x20, 0x57, 0x4f, 0x52, 0x4c, 0x44, 0x20, 0x31, 0x32, 0x33, 0x20, 0x00, 0x21, 0x1c))
Petscii.encodeScreencode("", true) shouldBe Ok(listOf<Short>(0x7a))
withClue("expect fallback") {
Petscii.encodeScreencode("", true) shouldBe Ok(listOf<Short>(83))
Petscii.encodeScreencode("π", true) shouldBe Ok(listOf<Short>(94))
}
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Petscii.decodeScreencode(listOf(0x08, 0x57, 0x1c, 0x7a), true) shouldBe "hW£✓"
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}
test("testScreencodeUppercase") {
Petscii.encodeScreencode("WORLD 123 @!£") shouldBe
Ok(listOf<Short>(0x17, 0x0f, 0x12, 0x0c, 0x04, 0x20, 0x31, 0x32, 0x33, 0x20, 0x00, 0x21, 0x1c))
Petscii.encodeScreencode("") shouldBe Ok(listOf<Short>(0x53))
Petscii.encodeScreencode("π") shouldBe Ok(listOf<Short>(0x5e))
Petscii.encodeScreencode("HELLO") shouldBe Ok(listOf<Short>(8, 5, 12, 12, 15))
withClue("expecting fallback") {
Petscii.encodeScreencode("hello") shouldBe Ok(listOf<Short>(8, 5, 12, 12, 15))
Petscii.encodeScreencode("") shouldBe Ok(listOf<Short>(122))
}
Petscii.decodeScreencode(listOf(0x17, 0x1c, 0x53, 0x5e)) shouldBe "W£♥π"
}
test("testErrorCases") {
Petscii.encodePetscii("~", true).expectError { "shouldn't be able to encode tilde" }
Petscii.encodePetscii("~", false).expectError { "shouldn't be able to encode tilde" }
Petscii.encodeScreencode("~", true).expectError { "shouldn't be able to encode tilde" }
Petscii.encodeScreencode("~", false).expectError { "shouldn't be able to encode tilde" }
shouldThrow<CharConversionException> { Petscii.decodePetscii(listOf<Short>(-1), true) }
shouldThrow<CharConversionException> { Petscii.decodePetscii(listOf<Short>(256), true) }
shouldThrow<CharConversionException> { Petscii.decodePetscii(listOf<Short>(-1), false) }
shouldThrow<CharConversionException> { Petscii.decodePetscii(listOf<Short>(256), false) }
shouldThrow<CharConversionException> { Petscii.decodeScreencode(listOf<Short>(-1), true) }
shouldThrow<CharConversionException> { Petscii.decodeScreencode(listOf<Short>(256), true) }
shouldThrow<CharConversionException> { Petscii.decodeScreencode(listOf<Short>(-1), false) }
shouldThrow<CharConversionException> { Petscii.decodeScreencode(listOf<Short>(256), false) }
Petscii.scr2petscii(-1).expectError { "-1 should error" }
Petscii.scr2petscii(256).expectError { "256 should error" }
Petscii.petscii2scr(-1, true).expectError { "-1 should error" }
Petscii.petscii2scr(256, true).expectError { "256 should error" }
Petscii.petscii2scr(-1, false).expectError { "-1 should error" }
Petscii.petscii2scr(256, false).expectError { "256 should error" }
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}
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test("testSpecialReplacements") {
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fun encodeP(c: Char, lower: Boolean) = Petscii.encodePetscii(c.toString(), lower).getOrElse { throw it }.single()
fun encodeS(c: Char, lower: Boolean) = Petscii.encodeScreencode(c.toString(), lower).getOrElse { throw it }.single()
Petscii.encodePetscii("`", false).expectError { "shouldn't have translation for backtick" }
Petscii.encodePetscii("`", true).expectError { "shouldn't have translation for backtick" }
Petscii.encodePetscii("~", false).expectError { "shouldn't have translation for tilde" }
Petscii.encodePetscii("~", true).expectError { "shouldn't have translation for tilde" }
encodeP('^', false) shouldBe 94
encodeP('^', true) shouldBe 94
encodeS('^', false) shouldBe 30
encodeS('^', true) shouldBe 30
encodeP('_', false) shouldBe 228
encodeP('_', true) shouldBe 228
encodeS('_', false) shouldBe 100
encodeS('_', true) shouldBe 100
encodeP('{', false) shouldBe 243
encodeP('{', true) shouldBe 243
encodeS('{', false) shouldBe 115
encodeS('{', true) shouldBe 115
encodeP('}', false) shouldBe 235
encodeP('}', true) shouldBe 235
encodeS('}', false) shouldBe 107
encodeS('}', true) shouldBe 107
encodeP('|', false) shouldBe 221
encodeP('|', true) shouldBe 221
encodeS('|', false) shouldBe 93
encodeS('|', true) shouldBe 93
encodeP('\\', false) shouldBe 205
encodeP('\\', true) shouldBe 205
encodeS('\\', false) shouldBe 77
encodeS('\\', true) shouldBe 77
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}
test("testBoxDrawingCharsEncoding") {
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fun encodeP(c: Char, lower: Boolean) = Petscii.encodePetscii(c.toString(), lower).getOrElse { throw it }.single()
fun encodeS(c: Char, lower: Boolean) = Petscii.encodeScreencode(c.toString(), lower).getOrElse { throw it }.single()
// pipe char
encodeP('|', false) shouldBe 221
encodeP('|', true) shouldBe 221
encodeS('|', false) shouldBe 93
encodeS('|', true) shouldBe 93
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// ... same as '│', 0x7D -> BOX DRAWINGS LIGHT VERTICAL
encodeP('│', false) shouldBe 221
encodeP('│', true) shouldBe 221
encodeS('│', false) shouldBe 93
encodeS('│', true) shouldBe 93
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// underscore
encodeP('_', false) shouldBe 228
encodeP('_', true) shouldBe 228
encodeS('_', false) shouldBe 100
encodeS('_', true) shouldBe 100
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// ... same as '▁', 0xE4 LOWER ONE EIGHTH BLOCK
encodeP('▁', false) shouldBe 228
encodeP('▁', true) shouldBe 228
encodeS('▁', false) shouldBe 100
encodeS('▁', true) shouldBe 100
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// ─ 0xC0 -> BOX DRAWINGS LIGHT HORIZONTAL
encodeP('─', false) shouldBe 192
encodeP('─', true) shouldBe 192
encodeS('─', false) shouldBe 64
encodeS('─', true) shouldBe 64
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// │ 0x62 -> BOX DRAWINGS LIGHT VERTICAL
encodeP('│', false) shouldBe 221
encodeP('│', true) shouldBe 221
encodeS('│', false) shouldBe 93
encodeS('│', true) shouldBe 93
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}
test("testBoxDrawingCharsDecoding") {
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// ─ 0xC0 -> BOX DRAWINGS LIGHT HORIZONTAL
Petscii.decodePetscii(listOf(195), false).single() shouldBe '\uf13b' //"BOX DRAWINGS LIGHT HORIZONTAL ONE EIGHTH UP (CUS)"
Petscii.decodePetscii(listOf(195), true).single() shouldBe 'C'
Petscii.decodePetscii(listOf(192), false).single() shouldBe '─'
Petscii.decodePetscii(listOf(192), true).single() shouldBe '─'
Petscii.decodeScreencode(listOf(67), false).single() shouldBe '\uf13b' //"BOX DRAWINGS LIGHT HORIZONTAL ONE EIGHTH UP (CUS)"
Petscii.decodeScreencode(listOf(67), true).single() shouldBe 'C'
Petscii.decodeScreencode(listOf(64), false).single() shouldBe '─'
Petscii.decodeScreencode(listOf(64), true).single() shouldBe '─'
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// │ 0x62 -> BOX DRAWINGS LIGHT VERTICAL
Petscii.decodePetscii(listOf(125), false).single() shouldBe '│'
Petscii.decodePetscii(listOf(125), true).single() shouldBe '│'
Petscii.decodePetscii(listOf(221), false).single() shouldBe '│'
Petscii.decodePetscii(listOf(221), true).single() shouldBe '│'
Petscii.decodeScreencode(listOf(93), false).single() shouldBe '│'
Petscii.decodeScreencode(listOf(93), true).single() shouldBe '│'
Petscii.decodeScreencode(listOf(66), false).single() shouldBe '\uf13c' // "BOX DRAWINGS LIGHT VERTICAL ONE EIGHTH LEFT (CUS)"
Petscii.decodeScreencode(listOf(66), true).single() shouldBe 'B'
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}
})