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Introduce minWithOrNull and maxWithOrNull extension functions #KT-38854

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This commit is contained in:
Abduqodiri Qurbonzoda
2020-06-16 00:59:24 +03:00
parent 194791a168
commit 16b62b8e65
11 changed files with 545 additions and 317 deletions
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libraries/stdlib/test/collections/ArraysTest.kt
+14 -14
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@@ -390,26 +390,26 @@ class ArraysTest {
expect('b', { charArrayOf('a', 'b').maxOrNull() })
}
@Test fun minWith() {
assertEquals(null, arrayOf<Int>().minWith(naturalOrder()) )
assertEquals("a", arrayOf("a", "B").minWith(STRING_CASE_INSENSITIVE_ORDER))
@Test fun minWithOrNull() {
assertEquals(null, arrayOf<Int>().minWithOrNull(naturalOrder()))
assertEquals("a", arrayOf("a", "B").minWithOrNull(STRING_CASE_INSENSITIVE_ORDER))
}
@Test fun minWithInPrimitiveArrays() {
expect(null, { intArrayOf().minWith(naturalOrder()) })
expect(1, { intArrayOf(1).minWith(naturalOrder()) })
expect(4, { intArrayOf(2, 3, 4).minWith(compareBy { it % 4 }) })
@Test fun minWithOrNullInPrimitiveArrays() {
expect(null, { intArrayOf().minWithOrNull(naturalOrder()) })
expect(1, { intArrayOf(1).minWithOrNull(naturalOrder()) })
expect(4, { intArrayOf(2, 3, 4).minWithOrNull(compareBy { it % 4 }) })
}
@Test fun maxWith() {
assertEquals(null, arrayOf<Int>().maxWith(naturalOrder()) )
assertEquals("B", arrayOf("a", "B").maxWith(STRING_CASE_INSENSITIVE_ORDER))
@Test fun maxWithOrNull() {
assertEquals(null, arrayOf<Int>().maxWithOrNull(naturalOrder()))
assertEquals("B", arrayOf("a", "B").maxWithOrNull(STRING_CASE_INSENSITIVE_ORDER))
}
@Test fun maxWithInPrimitiveArrays() {
expect(null, { intArrayOf().maxWith(naturalOrder()) })
expect(1, { intArrayOf(1).maxWith(naturalOrder()) })
expect(-4, { intArrayOf(2, 3, -4).maxWith(compareBy { it*it }) })
@Test fun maxWithOrNullInPrimitiveArrays() {
expect(null, { intArrayOf().maxWithOrNull(naturalOrder()) })
expect(1, { intArrayOf(1).maxWithOrNull(naturalOrder()) })
expect(-4, { intArrayOf(2, 3, -4).maxWithOrNull(compareBy { it * it }) })
}
@Test fun minByOrNull() {