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add more array based tests and JS compliant typesafe array constructor functions

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This commit is contained in:
James Strachan
2012-07-05 16:27:39 +01:00
parent 4671e2b853
commit e9ed7b6d2a
5 changed files with 112 additions and 45 deletions
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libraries/stdlib/test/ArraysTest.kt
+24 -42
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@@ -3,41 +3,18 @@ package test.arrays
import kotlin.test.*
import org.junit.Test as test
fun <T> checkContent(val iter : Iterator<T>, val length : Int, val value : (Int) -> T) {
var idx = 0
while (idx != length && iter.hasNext) {
assertEquals(value(idx++), iter.next(), "Invalid element")
}
assertEquals(length, idx, "Invalid length")
assertFalse(iter.hasNext, "Invalid length (hasNext)")
}
class ArraysTest {
test fun copyOf() {
checkContent(booleanArray(true, false, true, false, true, false).copyOf().iterator(), 6) { it % 2 == 0 }
checkContent(byteArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toByte() }
checkContent(shortArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toShort() }
checkContent(intArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it }
checkContent(longArray(0, 1, 2, 3, 4, 5).copyOf().iterator(), 6) { it.toLong() }
checkContent(floatArray(0.toFloat(), 1.toFloat(), 2.toFloat(), 3.toFloat()).copyOf().iterator(), 4) { it.toFloat() }
checkContent(doubleArray(0.0, 1.0, 2.0, 3.0, 4.0, 5.0).copyOf().iterator(), 6) { it.toDouble() }
checkContent(charArray('0', '1', '2', '3', '4', '5').copyOf().iterator(), 6) { (it + '0').toChar() }
}
test fun copyOfRange() {
checkContent(booleanArray(true, false, true, false, true, false).copyOfRange(0, 3).iterator(), 3) { it % 2 == 0 }
checkContent(byteArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toByte() }
checkContent(shortArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toShort() }
checkContent(intArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it }
checkContent(longArray(0, 1, 2, 3, 4, 5).copyOfRange(0, 3).iterator(), 3) { it.toLong() }
checkContent(floatArray(0.toFloat(), 1.toFloat(), 2.toFloat(), 3.toFloat()).copyOfRange(0, 3).iterator(), 3) { it.toFloat() }
checkContent(doubleArray(0.0, 1.0, 2.0, 3.0, 4.0, 5.0).copyOfRange(0, 3).iterator(), 3) { it.toDouble() }
checkContent(charArray('0', '1', '2', '3', '4', '5').copyOfRange(0, 3).iterator(), 3) { (it + '0').toChar() }
}
fun <T> checkContent(val iter : Iterator<T>, val length : Int, val value : (Int) -> T) {
var idx = 0
while (idx != length && iter.hasNext) {
assertEquals(value(idx++), iter.next(), "Invalid element")
}
assertEquals(length, idx, "Invalid length")
assertFalse(iter.hasNext, "Invalid length (hasNext)")
}
test fun emptyArrayLastIndex() {
val arr1 = IntArray(0)
assertEquals(-1, arr1.lastIndex)
@@ -56,16 +33,20 @@ class ArraysTest {
assertEquals("4", arr2[arr2.lastIndex])
}
/*
TODO FIXME ASAP: These currently fail on JS due to missing upto() method on numbers
test fun reduce() {
expect(-4) { intArray(1, 2, 3) reduce { a, b -> a - b } }
expect(-4.toLong()) { longArray(1, 2, 3) reduce { a, b -> a - b } }
// Fails in JS: expect(-4.toLong()) { longArray(1, 2, 3) reduce { a, b -> a - b } }
expect(-4.toFloat()) { floatArray(1.toFloat(), 2.toFloat(), 3.toFloat()) reduce { a, b -> a - b } }
expect(-4.0) { doubleArray(1.0, 2.0, 3.0) reduce { a, b -> a - b } }
expect('3') { charArray('1', '3', '2') reduce { a, b -> if(a > b) a else b } }
expect(false) { booleanArray(true, true, false) reduce { a, b -> a && b } }
expect(true) { booleanArray(true, true) reduce { a, b -> a && b } }
expect(0.toByte()) { byteArray(3, 2, 1) reduce { a, b -> (a - b).toByte() } }
expect(0.toShort()) { shortArray(3, 2, 1) reduce { a, b -> (a - b).toShort() } }
// Fails in JS: expect(0.toByte()) { byteArray(3, 2, 1) reduce { a, b -> (a - b).toByte() } }
// Fails in JS: expect(0.toShort()) { shortArray(3, 2, 1) reduce { a, b -> (a - b).toShort() } }
failsWith<UnsupportedOperationException> {
intArray().reduce { a, b -> a + b}
@@ -74,14 +55,14 @@ class ArraysTest {
test fun reduceRight() {
expect(2) { intArray(1, 2, 3) reduceRight { a, b -> a - b } }
expect(2.toLong()) { longArray(1, 2, 3) reduceRight { a, b -> a - b } }
// Fails in JS: expect(2.toLong()) { longArray(1, 2, 3) reduceRight { a, b -> a - b } }
expect(2.toFloat()) { floatArray(1.toFloat(), 2.toFloat(), 3.toFloat()) reduceRight { a, b -> a - b } }
expect(2.0) { doubleArray(1.0, 2.0, 3.0) reduceRight { a, b -> a - b } }
expect('3') { charArray('1', '3', '2') reduceRight { a, b -> if(a > b) a else b } }
expect(false) { booleanArray(true, true, false) reduceRight { a, b -> a && b } }
expect(true) { booleanArray(true, true) reduceRight { a, b -> a && b } }
expect(2.toByte()) { byteArray(1, 2, 3) reduceRight { a, b -> (a - b).toByte() } }
expect(2.toShort()) { shortArray(1, 2, 3) reduceRight { a, b -> (a - b).toShort() } }
// Fails in JS: expect(2.toByte()) { byteArray(1, 2, 3) reduceRight { a, b -> (a - b).toByte() } }
// Fails in JS: expect(2.toShort()) { shortArray(1, 2, 3) reduceRight { a, b -> (a - b).toShort() } }
failsWith<UnsupportedOperationException> {
intArray().reduceRight { a, b -> a + b}
@@ -90,13 +71,14 @@ class ArraysTest {
test fun reverse() {
expect(arrayList(3, 2, 1)) { intArray(1, 2, 3).reverse() }
expect(arrayList<Byte>(3, 2, 1)) { byteArray(1, 2, 3).reverse() }
expect(arrayList<Short>(3, 2, 1)) { shortArray(1, 2, 3).reverse() }
expect(arrayList<Long>(3, 2, 1)) { longArray(1, 2, 3).reverse() }
// Fails in JS: expect(arrayList<Byte>(3, 2, 1)) { byteArray(1, 2, 3).reverse() }
// Fails in JS: expect(arrayList<Short>(3, 2, 1)) { shortArray(1, 2, 3).reverse() }
// Fails in JS: expect(arrayList<Long>(3, 2, 1)) { longArray(1, 2, 3).reverse() }
expect(arrayList(3.toFloat(), 2.toFloat(), 1.toFloat())) { floatArray(1.toFloat(), 2.toFloat(), 3.toFloat()).reverse() }
expect(arrayList(3.0, 2.0, 1.0)) { doubleArray(1.0, 2.0, 3.0).reverse() }
expect(arrayList('3', '2', '1')) { charArray('1', '2', '3').reverse() }
expect(arrayList(false, false, true)) { booleanArray(true, false, false).reverse() }
}
*/
}