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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/CollectionTest.kt
+10 -10
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@@ -851,18 +851,18 @@ class CollectionTest {
assertIsPositiveZero(listOf(0.0F, -0.0F).shuffled().maxOrNull()!!.toDouble())
}
@Test fun minWith() {
expect(null, { listOf<Int>().minWith(naturalOrder()) })
expect(1, { listOf(1).minWith(naturalOrder()) })
expect("a", { listOf("a", "B").minWith(STRING_CASE_INSENSITIVE_ORDER) })
expect("a", { listOf("a", "B").asSequence().minWith(STRING_CASE_INSENSITIVE_ORDER) })
@Test fun minWithOrNull() {
expect(null, { listOf<Int>().minWithOrNull(naturalOrder()) })
expect(1, { listOf(1).minWithOrNull(naturalOrder()) })
expect("a", { listOf("a", "B").minWithOrNull(STRING_CASE_INSENSITIVE_ORDER) })
expect("a", { listOf("a", "B").asSequence().minWithOrNull(STRING_CASE_INSENSITIVE_ORDER) })
}
@Test fun maxWith() {
expect(null, { listOf<Int>().maxWith(naturalOrder()) })
expect(1, { listOf(1).maxWith(naturalOrder()) })
expect("B", { listOf("a", "B").maxWith(STRING_CASE_INSENSITIVE_ORDER) })
expect("B", { listOf("a", "B").asSequence().maxWith(STRING_CASE_INSENSITIVE_ORDER) })
@Test fun maxWithOrNull() {
expect(null, { listOf<Int>().maxWithOrNull(naturalOrder()) })
expect(1, { listOf(1).maxWithOrNull(naturalOrder()) })
expect("B", { listOf("a", "B").maxWithOrNull(STRING_CASE_INSENSITIVE_ORDER) })
expect("B", { listOf("a", "B").asSequence().maxWithOrNull(STRING_CASE_INSENSITIVE_ORDER) })
}
@Test fun minByOrNull() {