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192 lines
10 KiB
Kotlin
192 lines
10 KiB
Kotlin
package prog8tests
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import com.github.michaelbull.result.Ok
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import com.github.michaelbull.result.expectError
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import com.github.michaelbull.result.getOrElse
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import io.kotest.assertions.withClue
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import io.kotest.core.spec.style.FunSpec
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import io.kotest.matchers.shouldBe
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import prog8.codegen.target.cbm.IsoEncoding
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import prog8.codegen.target.cbm.PetsciiEncoding
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class TestStringEncodings: FunSpec({
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context("petscii") {
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test("testZero") {
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PetsciiEncoding.encodePetscii("\u0000", true) shouldBe Ok(listOf<UByte>(0u))
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PetsciiEncoding.encodePetscii("\u0000", false) shouldBe Ok(listOf<UByte>(0u))
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PetsciiEncoding.decodePetscii(listOf(0u), true) shouldBe Ok("\u0000")
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PetsciiEncoding.decodePetscii(listOf(0u), false) shouldBe Ok("\u0000")
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}
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test("testLowercase") {
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PetsciiEncoding.encodePetscii("hello WORLD 123 @!£", true) shouldBe
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Ok(listOf<UByte>(72u, 69u, 76u, 76u, 79u, 32u, 0xd7u, 0xcfu, 0xd2u, 0xccu, 0xc4u, 32u, 49u, 50u, 51u, 32u, 64u, 33u, 0x5cu))
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PetsciiEncoding.encodePetscii("\uf11a", true) shouldBe Ok(listOf<UByte>(0x12u)) // reverse vid
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PetsciiEncoding.encodePetscii("✓", true) shouldBe Ok(listOf<UByte>(0xfau))
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withClue("expect lowercase error fallback") {
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PetsciiEncoding.encodePetscii("π", true) shouldBe Ok(listOf<UByte>(255u))
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PetsciiEncoding.encodePetscii("♥", true) shouldBe Ok(listOf<UByte>(0xd3u))
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}
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PetsciiEncoding.decodePetscii(listOf(72u, 0xd7u, 0x5cu, 0xfau, 0x12u), true) shouldBe Ok("hW£✓\uF11A")
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}
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test("testUppercase") {
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PetsciiEncoding.encodePetscii("HELLO 123 @!£") shouldBe
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Ok(listOf<UByte>(72u, 69u, 76u, 76u, 79u, 32u, 49u, 50u, 51u, 32u, 64u, 33u, 0x5cu))
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PetsciiEncoding.encodePetscii("\uf11a") shouldBe Ok(listOf<UByte>(0x12u)) // reverse vid
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PetsciiEncoding.encodePetscii("♥") shouldBe Ok(listOf<UByte>(0xd3u))
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PetsciiEncoding.encodePetscii("π") shouldBe Ok(listOf<UByte>(0xffu))
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withClue("expecting fallback") {
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PetsciiEncoding.encodePetscii("✓") shouldBe Ok(listOf<UByte>(250u))
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}
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PetsciiEncoding.decodePetscii(listOf(72u, 0x5cu, 0xd3u, 0xffu)) shouldBe Ok("H£♥π")
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}
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test("testScreencodeLowercase") {
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PetsciiEncoding.encodeScreencode("hello WORLD 123 @!£", true) shouldBe
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Ok(listOf<UByte>(0x08u, 0x05u, 0x0cu, 0x0cu, 0x0fu, 0x20u, 0x57u, 0x4fu, 0x52u, 0x4cu, 0x44u, 0x20u, 0x31u, 0x32u, 0x33u, 0x20u, 0x00u, 0x21u, 0x1cu))
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PetsciiEncoding.encodeScreencode("✓", true) shouldBe Ok(listOf<UByte>(0x7au))
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withClue("expect fallback") {
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PetsciiEncoding.encodeScreencode("♥", true) shouldBe Ok(listOf<UByte>(83u))
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PetsciiEncoding.encodeScreencode("π", true) shouldBe Ok(listOf<UByte>(94u))
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}
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PetsciiEncoding.decodeScreencode(listOf(0x08u, 0x57u, 0x1cu, 0x7au), true) shouldBe Ok("hW£✓")
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}
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test("testScreencodeUppercase") {
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PetsciiEncoding.encodeScreencode("WORLD 123 @!£") shouldBe
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Ok(listOf<UByte>(0x17u, 0x0fu, 0x12u, 0x0cu, 0x04u, 0x20u, 0x31u, 0x32u, 0x33u, 0x20u, 0x00u, 0x21u, 0x1cu))
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PetsciiEncoding.encodeScreencode("♥") shouldBe Ok(listOf<UByte>(0x53u))
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PetsciiEncoding.encodeScreencode("π") shouldBe Ok(listOf<UByte>(0x5eu))
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PetsciiEncoding.encodeScreencode("HELLO") shouldBe Ok(listOf<UByte>(8u, 5u, 12u, 12u, 15u))
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withClue("expecting fallback") {
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PetsciiEncoding.encodeScreencode("hello") shouldBe Ok(listOf<UByte>(8u, 5u, 12u, 12u, 15u))
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PetsciiEncoding.encodeScreencode("✓") shouldBe Ok(listOf<UByte>(122u))
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}
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PetsciiEncoding.decodeScreencode(listOf(0x17u, 0x1cu, 0x53u, 0x5eu)) shouldBe Ok("W£♥π")
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}
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test("testErrorCases") {
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PetsciiEncoding.encodePetscii("~", true).expectError { "shouldn't be able to encode tilde" }
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PetsciiEncoding.encodePetscii("~", false).expectError { "shouldn't be able to encode tilde" }
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PetsciiEncoding.encodeScreencode("~", true).expectError { "shouldn't be able to encode tilde" }
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PetsciiEncoding.encodeScreencode("~", false).expectError { "shouldn't be able to encode tilde" }
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}
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test("testSpecialReplacements") {
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fun encodeP(c: Char, lower: Boolean) = PetsciiEncoding.encodePetscii(c.toString(), lower).getOrElse { throw it }.single()
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fun encodeS(c: Char, lower: Boolean) = PetsciiEncoding.encodeScreencode(c.toString(), lower).getOrElse { throw it }.single()
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PetsciiEncoding.encodePetscii("`", false).expectError { "shouldn't have translation for backtick" }
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PetsciiEncoding.encodePetscii("`", true).expectError { "shouldn't have translation for backtick" }
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PetsciiEncoding.encodePetscii("~", false).expectError { "shouldn't have translation for tilde" }
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PetsciiEncoding.encodePetscii("~", true).expectError { "shouldn't have translation for tilde" }
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encodeP('^', false) shouldBe 94u
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encodeP('^', true) shouldBe 94u
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encodeS('^', false) shouldBe 30u
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encodeS('^', true) shouldBe 30u
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encodeP('_', false) shouldBe 228u
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encodeP('_', true) shouldBe 228u
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encodeS('_', false) shouldBe 100u
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encodeS('_', true) shouldBe 100u
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encodeP('{', false) shouldBe 243u
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encodeP('{', true) shouldBe 243u
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encodeS('{', false) shouldBe 115u
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encodeS('{', true) shouldBe 115u
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encodeP('}', false) shouldBe 235u
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encodeP('}', true) shouldBe 235u
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encodeS('}', false) shouldBe 107u
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encodeS('}', true) shouldBe 107u
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encodeP('|', false) shouldBe 221u
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encodeP('|', true) shouldBe 221u
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encodeS('|', false) shouldBe 93u
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encodeS('|', true) shouldBe 93u
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encodeP('\\', false) shouldBe 205u
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encodeP('\\', true) shouldBe 205u
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encodeS('\\', false) shouldBe 77u
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encodeS('\\', true) shouldBe 77u
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}
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test("testBoxDrawingCharsEncoding") {
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fun encodeP(c: Char, lower: Boolean) = PetsciiEncoding.encodePetscii(c.toString(), lower).getOrElse { throw it }.single()
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fun encodeS(c: Char, lower: Boolean) = PetsciiEncoding.encodeScreencode(c.toString(), lower).getOrElse { throw it }.single()
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// pipe char
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encodeP('|', false) shouldBe 221u
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encodeP('|', true) shouldBe 221u
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encodeS('|', false) shouldBe 93u
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encodeS('|', true) shouldBe 93u
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// ... same as '│', 0x7D -> BOX DRAWINGS LIGHT VERTICAL
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encodeP('│', false) shouldBe 221u
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encodeP('│', true) shouldBe 221u
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encodeS('│', false) shouldBe 93u
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encodeS('│', true) shouldBe 93u
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// underscore
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encodeP('_', false) shouldBe 228u
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encodeP('_', true) shouldBe 228u
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encodeS('_', false) shouldBe 100u
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encodeS('_', true) shouldBe 100u
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// ... same as '▁', 0xE4 LOWER ONE EIGHTH BLOCK
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encodeP('▁', false) shouldBe 228u
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encodeP('▁', true) shouldBe 228u
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encodeS('▁', false) shouldBe 100u
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encodeS('▁', true) shouldBe 100u
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// ─ 0xC0 -> BOX DRAWINGS LIGHT HORIZONTAL
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encodeP('─', false) shouldBe 192u
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encodeP('─', true) shouldBe 192u
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encodeS('─', false) shouldBe 64u
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encodeS('─', true) shouldBe 64u
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// │ 0x62 -> BOX DRAWINGS LIGHT VERTICAL
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encodeP('│', false) shouldBe 221u
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encodeP('│', true) shouldBe 221u
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encodeS('│', false) shouldBe 93u
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encodeS('│', true) shouldBe 93u
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}
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test("testBoxDrawingCharsDecoding") {
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// ─ 0xC0 -> BOX DRAWINGS LIGHT HORIZONTAL
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PetsciiEncoding.decodePetscii(listOf(195u), false).getOrElse { throw it }.single() shouldBe '\uf13b' //"BOX DRAWINGS LIGHT HORIZONTAL ONE EIGHTH UP (CUS)"
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PetsciiEncoding.decodePetscii(listOf(195u), true).getOrElse { throw it }.single() shouldBe 'C'
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PetsciiEncoding.decodePetscii(listOf(192u), false).getOrElse { throw it }.single() shouldBe '─'
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PetsciiEncoding.decodePetscii(listOf(192u), true).getOrElse { throw it }.single() shouldBe '─'
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PetsciiEncoding.decodeScreencode(listOf(67u), false).getOrElse { throw it }.single() shouldBe '\uf13b' //"BOX DRAWINGS LIGHT HORIZONTAL ONE EIGHTH UP (CUS)"
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PetsciiEncoding.decodeScreencode(listOf(67u), true).getOrElse { throw it }.single() shouldBe 'C'
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PetsciiEncoding.decodeScreencode(listOf(64u), false).getOrElse { throw it }.single() shouldBe '─'
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PetsciiEncoding.decodeScreencode(listOf(64u), true).getOrElse { throw it }.single() shouldBe '─'
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// │ 0x62 -> BOX DRAWINGS LIGHT VERTICAL
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PetsciiEncoding.decodePetscii(listOf(125u), false).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodePetscii(listOf(125u), true).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodePetscii(listOf(221u), false).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodePetscii(listOf(221u), true).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodeScreencode(listOf(93u), false).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodeScreencode(listOf(93u), true).getOrElse { throw it }.single() shouldBe '│'
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PetsciiEncoding.decodeScreencode(listOf(66u), false).getOrElse { throw it }.single() shouldBe '\uf13c' // "BOX DRAWINGS LIGHT VERTICAL ONE EIGHTH LEFT (CUS)"
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PetsciiEncoding.decodeScreencode(listOf(66u), true).getOrElse { throw it }.single() shouldBe 'B'
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}
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}
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context("iso") {
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test("iso accepts iso-characters") {
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val result = IsoEncoding.encode("a_~ëç")
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result.getOrElse { throw it }.map {it.toInt()} shouldBe listOf(97, 95, 126, 235, 231)
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}
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test("non-iso doesn't accept iso-characters") {
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var result = PetsciiEncoding.encodePetscii("a_~ë")
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result.expectError { "should not encode" }
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result = PetsciiEncoding.encodeScreencode("a_~ë")
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result.expectError { "should not encode" }
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}
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}
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})
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