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Christian Lincoln
2026-03-13 12:11:24 +00:00
commit fb57e2e831
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kotlin-tunes-skeleton/src/test/kotlin/tunes/Question3Tests.kt Normal file
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package tunes
/*
import kotlin.test.Test
import kotlin.test.assertEquals
*/
class Question3Tests {
/*
private fun simpleTuneNotes(): List<Note> {
return listOf(
Note(1, 2.0),
Note(10, 4.0),
Note(20, 8.0),
Note(40, 12.0),
)
}
private fun longerTuneNotes(): List<Note> {
val result: MutableList<Note> = mutableListOf(
Note(1, 2.0),
Note(10, 4.0),
Note(20, 8.0),
Note(40, 12.0),
Note(50, 2.0),
Note(60, 4.0),
Note(70, 8.0),
Note(80, 12.0),
)
return result
}
private fun simpleTune(): Tune {
val result: Tune = StandardTune()
simpleTuneNotes().forEach({ result.addNote(it) })
return result
}
@Test
fun testTransposeUp() {
val originalTune = simpleTune()
val transposedUp: Tune = TransposedTune(originalTune, 2)
assertEquals(simpleTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(3, 2.0),
Note(12, 4.0),
Note(22, 8.0),
Note(42, 12.0),
),
transposedUp.notes,
)
}
@Test
fun testTransposeDown() {
val originalTune = simpleTune()
val transposedDown: Tune = TransposedTune(originalTune, -1)
assertEquals(simpleTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(0, 2.0),
Note(9, 4.0),
Note(19, 8.0),
Note(39, 12.0),
),
transposedDown.notes,
)
}
@Test
fun testTransposeUpThenDown() {
val originalTune = simpleTune()
val transposedUp: Tune = TransposedTune(originalTune, 1)
val transposedDown: Tune = TransposedTune(transposedUp, -1)
assertEquals(simpleTuneNotes(), originalTune.notes)
assertEquals(simpleTuneNotes(), transposedDown.notes)
}
@Test
fun testTransposeUpTooFar() {
val originalTune = simpleTune()
val transposedUp: Tune = TransposedTune(originalTune, 190)
assertEquals(simpleTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(191, 2.0),
Note(200, 4.0),
Note(200, 8.0),
Note(200, 12.0),
),
transposedUp.notes,
)
}
@Test
fun testTransposeDownTooFar() {
val originalTune = simpleTune()
val transposedDown: Tune = TransposedTune(originalTune, -20)
assertEquals(simpleTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(0, 2.0),
Note(0, 4.0),
Note(0, 8.0),
Note(20, 12.0),
),
transposedDown.notes,
)
}
@Test
fun testAddNotesAllOk1() {
val originalTune = simpleTune()
val transposedUp: Tune = TransposedTune(originalTune, 2)
transposedUp.addNote(Note(52, 2.0))
transposedUp.addNote(Note(62, 4.0))
transposedUp.addNote(Note(72, 8.0))
transposedUp.addNote(Note(82, 12.0))
assertEquals(longerTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(3, 2.0),
Note(12, 4.0),
Note(22, 8.0),
Note(42, 12.0),
Note(52, 2.0),
Note(62, 4.0),
Note(72, 8.0),
Note(82, 12.0),
),
transposedUp.notes,
)
}
@Test
fun testAddNotesAllOk2() {
val originalTune = simpleTune()
val transposedDown: Tune = TransposedTune(originalTune, -1)
transposedDown.addNote(Note(49, 2.0))
transposedDown.addNote(Note(59, 4.0))
transposedDown.addNote(Note(69, 8.0))
transposedDown.addNote(Note(79, 12.0))
assertEquals(longerTuneNotes(), originalTune.notes)
assertEquals(
listOf(
Note(0, 2.0),
Note(9, 4.0),
Note(19, 8.0),
Note(39, 12.0),
Note(49, 2.0),
Note(59, 4.0),
Note(69, 8.0),
Note(79, 12.0),
),
transposedDown.notes,
)
}
@Test
fun testAddNotesSomeTooHigh() {
val originalTune = simpleTune()
val transposedDown: Tune = TransposedTune(originalTune, -10)
transposedDown.addNote(Note(189, 2.0))
transposedDown.addNote(Note(190, 4.0))
transposedDown.addNote(Note(191, 8.0))
transposedDown.addNote(Note(192, 12.0))
assertEquals(
listOf(
Note(1, 2.0),
Note(10, 4.0),
Note(20, 8.0),
Note(40, 12.0),
Note(199, 2.0),
Note(200, 4.0),
Note(200, 8.0),
Note(200, 12.0),
),
originalTune.notes,
)
assertEquals(
listOf(
Note(0, 2.0),
Note(0, 4.0),
Note(10, 8.0),
Note(30, 12.0),
Note(189, 2.0),
Note(190, 4.0),
Note(190, 8.0),
Note(190, 12.0),
),
transposedDown.notes,
)
}
@Test
fun testAddNotesSomeTooLow() {
val originalTune = simpleTune()
val transposedUp: Tune = TransposedTune(originalTune, 10)
transposedUp.addNote(Note(11, 2.0))
transposedUp.addNote(Note(10, 4.0))
transposedUp.addNote(Note(9, 8.0))
transposedUp.addNote(Note(8, 12.0))
assertEquals(
listOf(
Note(1, 2.0),
Note(10, 4.0),
Note(20, 8.0),
Note(40, 12.0),
Note(1, 2.0),
Note(0, 4.0),
Note(0, 8.0),
Note(0, 12.0),
),
originalTune.notes,
)
assertEquals(
listOf(
Note(11, 2.0),
Note(20, 4.0),
Note(30, 8.0),
Note(50, 12.0),
Note(11, 2.0),
Note(10, 4.0),
Note(10, 8.0),
Note(10, 12.0),
),
transposedUp.notes,
)
}
*/
}