Hash map by @elizarov, more stdlib code (#112)

2016-12-06 13:31:43 +03:00
parent 1fc4ce32d3
commit 618bf4cb80
20 changed files with 1734 additions and 212 deletions
@@ -0,0 +1,131 @@
+fun assertTrue(cond: Boolean) {
+    if (!cond)
+        println("FAIL")
+}
+
+fun assertFalse(cond: Boolean) {
+    if (cond)
+        println("FAIL")
+}
+
+fun assertEquals(value1: Any?, value2: Any?) {
+    if (value1 != value2)
+        println("FAIL")
+}
+
+fun assertEquals(value1: Int, value2: Int) {
+    if (value1 != value2)
+        println("FAIL")
+}
+
+fun testBasic() {
+    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"))
+}
+
+fun testIterator() {
+    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())
+}
+
+fun testEquals() {
+    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"))
+}
+
+fun testHashCode() {
+    val s = HashSet(listOf("1", "2", "3"))
+    assertTrue(s.hashCode() == setOf("1", "2", "3").hashCode())
+}
+
+fun testToString() {
+    val s = HashSet(listOf("1", "2", "3"))
+    assertTrue(s.toString() == setOf("1", "2", "3").toString())
+}
+
+fun testContainsAll() {
+    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")))
+}
+
+fun testRemoveAll() {
+    val s = HashSet(listOf("1", "2", "3", "4", "5"))
+    assertFalse(s.removeAll(listOf("6", "7", "8")))
+    assertEquals(setOf("1", "2", "3", "4", "5"), s)
+    assertTrue(s.removeAll(listOf("5", "3", "1")))
+    assertEquals(setOf("2", "4"), s)
+}
+
+fun testRetainAll() {
+    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)
+}
+
+fun main(args : Array<String>) {
+    testBasic()
+    testIterator()
+    testEquals()
+    testHashCode()
+    testToString()
+    testContainsAll()
+    testRemoveAll()
+    testRetainAll()
+    println("OK")
+}