[K/N] Migrate runtime/collections tests to new testing infra ^KT-61259

2023-09-04 11:54:24 +02:00
parent 10a6d8fd2c
commit b3e13fb2c2
56 changed files with 2375 additions and 3050 deletions
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package test.collections
+
+import kotlin.test.*
+
+// TODO: Check which parts are already tested in libraries/stdlib/test/collections
+class HashSetTest {
+    @Test fun basic() {
+        val a = HashSet<String>()
+        assertTrue(a.isEmpty())
+        assertEquals(0, a.size)
+
+        assertTrue(a.add("1"))
+        assertTrue(a.add("2"))
+        assertTrue(a.add("3"))
+        assertFalse(a.isEmpty())
+        assertEquals(3, a.size)
+        assertTrue(a.contains("1"))
+        assertTrue(a.contains("2"))
+        assertTrue(a.contains("3"))
+        assertFalse(a.contains("4"))
+
+        assertTrue(a.remove("1"))
+        assertEquals(2, a.size)
+        assertFalse(a.contains("1"))
+        assertTrue(a.contains("2"))
+        assertTrue(a.contains("3"))
+        assertFalse(a.contains("4"))
+
+        assertTrue(a.add("4"))
+        assertEquals(3, a.size)
+        assertFalse(a.contains("1"))
+        assertTrue(a.contains("2"))
+        assertTrue(a.contains("3"))
+        assertTrue(a.contains("4"))
+
+        assertFalse(a.add("4"))
+        assertEquals(3, a.size)
+        assertFalse(a.contains("1"))
+        assertTrue(a.contains("2"))
+        assertTrue(a.contains("3"))
+        assertTrue(a.contains("4"))
+
+        a.clear()
+        assertTrue(a.isEmpty())
+        assertEquals(0, a.size)
+        assertFalse(a.contains("1"))
+        assertFalse(a.contains("2"))
+        assertFalse(a.contains("3"))
+        assertFalse(a.contains("4"))
+    }
+
+    @Test fun iterator() {
+        val s = HashSet(listOf("1", "2", "3"))
+        val it = s.iterator()
+        assertTrue(it.hasNext())
+        assertEquals("1", it.next())
+        assertTrue(it.hasNext())
+        assertEquals("2", it.next())
+        assertTrue(it.hasNext())
+        assertEquals("3", it.next())
+        assertFalse(it.hasNext())
+    }
+
+    @Test fun equals() {
+        val s = HashSet(listOf("1", "2", "3"))
+        assertTrue(s == setOf("1", "2", "3"))
+        assertTrue(s == setOf("2", "3", "1")) // order does not matter
+        assertFalse(s == setOf("1", "2", "4"))
+        assertFalse(s == setOf("1", "2"))
+    }
+
+    @Test fun hashCodeTest() {
+        val s = HashSet(listOf("1", "2", "3"))
+        assertTrue(s.hashCode() == setOf("1", "2", "3").hashCode())
+    }
+
+    @Test fun toStringTest() {
+        val s = HashSet(listOf("1", "2", "3"))
+        assertTrue(s.toString() == setOf("1", "2", "3").toString())
+    }
+
+    @Test fun containsAll() {
+        val s = HashSet(listOf("1", "2", "3", "4", "5"))
+        assertFalse(s.containsAll(listOf("6", "7", "8")))
+        assertFalse(s.containsAll(listOf("5", "6", "7")))
+        assertFalse(s.containsAll(listOf("4", "5", "6")))
+        assertTrue(s.containsAll(listOf("3", "4", "5")))
+        assertTrue(s.containsAll(listOf("2", "3", "4")))
+    }
+
+    @Test fun removeAll() {
+        val s = HashSet(listOf("1", "2", "3", "4", "5", "1"))
+        assertFalse(s.removeAll(listOf("6", "7", "8")))
+        assertEquals(setOf("1", "2", "3", "4", "5", "1"), s)
+        assertTrue(s.removeAll(listOf("5", "3", "1")))
+        assertEquals(setOf("2", "4"), s)
+    }
+
+    @Test fun retainAll() {
+        val s = HashSet(listOf("1", "2", "3", "4", "5"))
+        assertFalse(s.retainAll(listOf("1", "2", "3", "4", "5")))
+        assertEquals(setOf("1", "2", "3", "4", "5"), s)
+        assertTrue(s.retainAll(listOf("5", "3", "1")))
+        assertEquals(setOf("1", "3", "5"), s)
+    }
+}