Add IterableUtilsTest

Signed-off-by: Graham <gpe@openrs2.dev>
Graham 5 years ago
parent 972d3cebc1
commit 958fbc03ba
  1. 55
      util/src/test/java/dev/openrs2/util/collect/IterableUtilsTest.kt

@ -0,0 +1,55 @@
package dev.openrs2.util.collect
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import kotlin.test.assertEquals
import kotlin.test.assertFalse
import kotlin.test.assertNull
import kotlin.test.assertTrue
object IterableUtilsTest {
@Test
fun testRemoveFirst() {
val list = mutableListOf(1, 2, 3)
assertEquals(1, list.removeFirst())
assertEquals(listOf(2, 3), list)
assertEquals(2, list.removeFirst())
assertEquals(listOf(3), list)
assertEquals(3, list.removeFirst())
assertEquals(emptyList<Int>(), list)
assertThrows<NoSuchElementException> {
list.removeFirst()
}
}
@Test
fun testRemoveFirstOrNull() {
val list = mutableListOf(1, 2, 3)
assertEquals(1, list.removeFirstOrNull())
assertEquals(listOf(2, 3), list)
assertEquals(2, list.removeFirstOrNull())
assertEquals(listOf(3), list)
assertEquals(3, list.removeFirstOrNull())
assertEquals(emptyList<Int>(), list)
assertNull(list.removeFirstOrNull())
}
@Test
fun testRemoveFirstMatching() {
val list = mutableListOf(1, 2, 2, 3)
assertTrue(list.removeFirst { it == 2 })
assertEquals(listOf(1, 2, 3), list)
assertTrue(list.removeFirst { it == 2 })
assertEquals(listOf(1, 3), list)
assertFalse(list.removeFirst { it == 2 })
assertEquals(listOf(1, 3), list)
}
}
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