Files
kotlin-fork/libraries/stdlib/test/js/MapJsTest.kt
T
2024-02-08 07:46:09 +00:00

643 lines
21 KiB
Kotlin

/*
* Copyright 2010-2018 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.js
import kotlin.test.*
import test.collections.*
import test.collections.behaviors.*
class ComplexMapJsTest : MapJsTest() {
// Helper function with generic parameter to force to use ComlpexHashMap
fun <K : kotlin.Comparable<K>> doTest() {
HashMap<K, Int>()
HashMap<K, Int>(3)
HashMap<K, Int>(3, 0.5f)
@Suppress("UNCHECKED_CAST")
val map = HashMap<K, Int>(createTestMap() as HashMap<K, Int>)
assertEquals(KEYS.toNormalizedList(), map.keys.toNormalizedList() as List<Any>)
assertEquals(VALUES.toNormalizedList(), map.values.toNormalizedList())
}
@Test override fun constructors() {
doTest<String>()
}
override fun <T : kotlin.Comparable<T>> Collection<T>.toNormalizedList(): List<T> = this.sorted()
// hashMapOf returns ComlpexHashMap because it is Generic
override fun emptyMutableMap(): MutableMap<String, Int> = genericHashMapOf()
override fun emptyMutableMapWithNullableKeyValue(): MutableMap<String?, Int?> = genericHashMapOf()
}
class PrimitiveMapJsTest : MapJsTest() {
@Test override fun constructors() {
HashMap<String, Int>()
HashMap<String, Int>(3)
HashMap<String, Int>(3, 0.5f)
val map = HashMap<String, Int>(createTestMap())
assertEquals(KEYS.toNormalizedList(), map.keys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), map.values.toNormalizedList())
}
override fun <T : kotlin.Comparable<T>> Collection<T>.toNormalizedList(): List<T> = this.sorted()
override fun emptyMutableMap(): MutableMap<String, Int> = stringMapOf()
override fun emptyMutableMapWithNullableKeyValue(): MutableMap<String?, Int?> = HashMap()
@Test fun compareBehavior() {
val specialJsStringMap = stringMapOf<Any>()
specialJsStringMap.put("k1", "v1")
compare(genericHashMapOf("k1" to "v1"), specialJsStringMap) { mapBehavior() }
val specialJsNumberMap = HashMap<Int, Any>(4)
specialJsNumberMap.put(5, "v5")
compare(genericHashMapOf(5 to "v5"), specialJsNumberMap) { mapBehavior() }
}
@Test fun putNull() {
val map = stringMapOf("k" to null)
assertEquals(1, map.size)
map.put("k", null)
assertEquals(1, map.size)
map["k"] = null
assertEquals(1, map.size)
map.remove("k")
assertEquals(0, map.size)
}
}
class LinkedHashMapJsTest : LinkedMapJsTest() {
@Test override fun constructors() {
LinkedHashMap<String, Int>()
LinkedHashMap<String, Int>(3)
LinkedHashMap<String, Int>(3, 0.5f)
val map = LinkedHashMap<String, Int>(createTestMap())
assertEquals(KEYS.toNormalizedList(), map.keys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), map.values.toNormalizedList())
}
override fun <T : kotlin.Comparable<T>> Collection<T>.toNormalizedList(): List<T> = this.toList()
override fun emptyMutableMap(): MutableMap<String, Int> = LinkedHashMap()
override fun emptyMutableMapWithNullableKeyValue(): MutableMap<String?, Int?> = LinkedHashMap()
}
class LinkedPrimitiveMapJsTest : LinkedMapJsTest() {
@Test override fun constructors() {
val map = createTestMap()
assertEquals(KEYS.toNormalizedList(), map.keys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), map.values.toNormalizedList())
}
override fun <T : kotlin.Comparable<T>> Collection<T>.toNormalizedList(): List<T> = this.toList()
override fun emptyMutableMap(): MutableMap<String, Int> = linkedStringMapOf()
override fun emptyMutableMapWithNullableKeyValue(): MutableMap<String?, Int?> = LinkedHashMap()
}
abstract class MapJsTest {
val KEYS = listOf("zero", "one", "two", "three")
val VALUES = arrayOf(0, 1, 2, 3).toList()
val SPECIAL_NAMES = arrayOf(
"__proto__",
"constructor",
"toString",
"toLocaleString",
"valueOf",
"hasOwnProperty",
"isPrototypeOf",
"propertyIsEnumerable"
)
@Test fun getOrElse() {
val data = emptyMap()
val a = data.getOrElse("foo") { 2 }
assertEquals(2, a)
val b = data.getOrElse("foo") { 3 }
assertEquals(3, b)
assertEquals(0, data.size)
}
@Test fun getOrPut() {
val data = emptyMutableMap()
val a = data.getOrPut("foo") { 2 }
assertEquals(2, a)
val b = data.getOrPut("foo") { 3 }
assertEquals(2, b)
assertEquals(1, data.size)
}
@Test fun emptyMapGet() {
val map = emptyMap()
assertEquals(null, map.get("foo"), """failed on map.get("foo")""")
assertEquals(null, map["bar"], """failed on map["bar"]""")
}
@Test fun mapGet() {
val map = createTestMap()
for (i in KEYS.indices) {
assertEquals(VALUES[i], map.get(KEYS[i]), """failed on map.get(KEYS[$i])""")
assertEquals(VALUES[i], map[KEYS[i]], """failed on map[KEYS[$i]]""")
}
assertEquals(null, map.get("foo"))
}
@Test fun mapPut() {
val map = emptyMutableMap()
map.put("foo", 1)
assertEquals(1, map["foo"])
assertEquals(null, map["bar"])
map["bar"] = 2
assertEquals(1, map["foo"])
assertEquals(2, map["bar"])
map["foo"] = 0
assertEquals(0, map["foo"])
assertEquals(2, map["bar"])
}
@Test fun sizeAndEmptyForEmptyMap() {
val data = emptyMap()
assertTrue(data.isEmpty())
assertTrue(data.none())
assertEquals(0, data.size)
assertEquals(0, data.size)
}
@Test fun sizeAndEmpty() {
val data = createTestMap()
assertFalse(data.isEmpty())
assertFalse(data.none())
assertEquals(KEYS.size, data.size)
}
// #KT-3035
@Test fun emptyMapValues() {
val emptyMap = emptyMap()
assertTrue(emptyMap.values.isEmpty())
}
@Test fun mapValues() {
val map = createTestMap()
assertEquals(VALUES.toNormalizedList(), map.values.toNormalizedList())
}
@Test fun mapKeySet() {
val map = createTestMap()
assertEquals(KEYS.toNormalizedList(), map.keys.toNormalizedList())
}
@Test fun mapEntrySet() {
val map = createTestMap()
val actualKeys = ArrayList<String>()
val actualValues = ArrayList<Int>()
for (e in map.entries) {
actualKeys.add(e.key)
actualValues.add(e.value)
}
assertEquals(KEYS.toNormalizedList(), actualKeys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), actualValues.toNormalizedList())
}
@Test fun mapContainsKey() {
val map = createTestMap()
assertTrue(map.containsKey(KEYS[0]) &&
map.containsKey(KEYS[1]) &&
map.containsKey(KEYS[2]) &&
map.containsKey(KEYS[3]))
assertFalse(map.containsKey("foo") ||
map.containsKey(1 as Any))
}
@Test fun mapContainsValue() {
val map = createTestMap()
assertTrue(map.containsValue(VALUES[0]) &&
map.containsValue(VALUES[1]) &&
map.containsValue(VALUES[2]) &&
map.containsValue(VALUES[3]))
assertFalse(map.containsValue("four" as Any) ||
map.containsValue(5))
}
@Test fun mapPutAll() {
val map = createTestMap()
val newMap = emptyMutableMap()
newMap.putAll(map)
assertEquals(KEYS.size, newMap.size)
}
@Test fun mapPutAllFromCustomMap() {
val newMap = emptyMutableMap()
newMap.putAll(ConstMap)
assertEquals(ConstMap.entries.single().toPair(), newMap.entries.single().toPair())
}
@Test fun mapRemove() {
val map = createTestMutableMap()
val last = KEYS.size - 1
val first = 0
val mid = KEYS.size / 2
assertEquals(KEYS.size, map.size)
assertEquals(null, map.remove("foo"))
assertEquals(VALUES[mid], map.remove(KEYS[mid]))
assertEquals(null, map.remove(KEYS[mid]))
assertEquals(VALUES[last], map.remove(KEYS[last]))
assertEquals(VALUES[first], map.remove(KEYS[first]))
assertEquals(KEYS.size - 3, map.size)
}
@Test fun mapClear() {
val map = createTestMutableMap()
assertFalse(map.isEmpty())
map.clear()
assertTrue(map.isEmpty())
}
@Test fun nullAsKey() {
val map = emptyMutableMapWithNullableKeyValue()
assertTrue(map.isEmpty())
map.put(null, 23)
assertFalse(map.isEmpty())
assertTrue(map.containsKey(null))
assertEquals(23, map[null])
assertEquals(23, map.remove(null))
assertTrue(map.isEmpty())
assertEquals(null, map[null])
}
@Test fun nullAsValue() {
val map = emptyMutableMapWithNullableKeyValue()
val KEY = "Key"
assertTrue(map.isEmpty())
map.put(KEY, null)
assertFalse(map.isEmpty())
assertEquals(null, map[KEY])
assertTrue(map.containsValue(null))
assertEquals(null, map.remove(KEY))
assertTrue(map.isEmpty())
}
@Test fun setViaIndexOperators() {
val map = HashMap<String, String>()
assertTrue{ map.isEmpty() }
assertEquals(map.size, 0)
map["name"] = "James"
assertTrue{ !map.isEmpty() }
assertEquals(map.size, 1)
assertEquals("James", map["name"])
}
@Test fun createUsingPairs() {
val map = mapOf(Pair("a", 1), Pair("b", 2))
assertEquals(2, map.size)
assertEquals(1, map.get("a"))
assertEquals(2, map.get("b"))
}
@Test fun createUsingTo() {
val map = mapOf("a" to 1, "b" to 2)
assertEquals(2, map.size)
assertEquals(1, map.get("a"))
assertEquals(2, map.get("b"))
}
@Test fun mapIteratorImplicitly() {
val map = createTestMap()
val actualKeys = ArrayList<String>()
val actualValues = ArrayList<Int>()
for (e in map) {
actualKeys.add(e.key)
actualValues.add(e.value)
}
assertEquals(KEYS.toNormalizedList(), actualKeys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), actualValues.toNormalizedList())
}
@Test fun mapIteratorExplicitly() {
val map = createTestMap()
val actualKeys = ArrayList<String>()
val actualValues = ArrayList<Int>()
val iterator = map.iterator()
for (e in iterator) {
actualKeys.add(e.key)
actualValues.add(e.value)
}
assertEquals(KEYS.toNormalizedList(), actualKeys.toNormalizedList())
assertEquals(VALUES.toNormalizedList(), actualValues.toNormalizedList())
}
@Test fun mapMutableIterator() {
val map = createTestMutableMap()
map.keys.removeAll { it == KEYS[0] }
map.entries.removeAll { it.key == KEYS[1] }
map.values.removeAll { it == VALUES[3] }
assertEquals(1, map.size, "Expected 1 entry to remain in map, but got: $map")
}
@Test fun mapCollectionPropertiesAreViews() {
val map = createTestMutableMap()
assertTrue(map.size >= 3)
val keys = map.keys
val values = map.values
val entries = map.entries
val (key, value) = map.entries.first()
map.remove(key)
assertFalse(key in keys, "remove from map")
assertFalse(value in values)
assertFalse(entries.any { it.key == key })
map.put(key, value)
assertTrue(key in keys, "put to map")
assertTrue(value in values)
assertTrue(entries.any { it.key == key })
keys -= key
assertFalse(key in map, "remove from keys")
assertFalse(value in values)
assertFalse(entries.any { it.key == key })
val (key2, value2) = map.entries.first()
values -= value2
assertFalse(key2 in map, "remove from values")
assertFalse(map.containsValue(value2))
assertFalse(entries.any { it.value == value2 })
val entry = map.entries.first()
val (key3, value3) = entry
entries -= entry
assertFalse(key3 in map, "remove from entries")
assertFalse(key3 in keys)
assertFalse(value3 in values)
val entry2 = map.entries.first()
entry2.setValue(100)
assertEquals(100, map[entry2.key], "set value via entry")
}
@Test fun mapCollectionPropertiesDoNotSupportAdd() {
val map = createTestMutableMap()
val entry = map.entries.first()
val (key, value) = entry
assertFailsWith<UnsupportedOperationException> { map.entries += entry }
assertFailsWith<UnsupportedOperationException> { map.keys += key }
assertFailsWith<UnsupportedOperationException> { map.values += value }
}
@Test fun specialNamesNotContainsInEmptyMap() {
val map = emptyMap()
for (key in SPECIAL_NAMES) {
assertFalse(map.containsKey(key), "unexpected key: $key")
}
}
@Test fun specialNamesNotContainsInNonEmptyMap() {
val map = createTestMap()
for (key in SPECIAL_NAMES) {
assertFalse(map.containsKey(key), "unexpected key: $key")
}
}
@Test fun putAndGetSpecialNamesToMap() {
val map = createTestMutableMap()
var value = 0
for (key in SPECIAL_NAMES) {
assertFalse(map.containsKey(key), "unexpected key: $key")
map.put(key, value)
assertTrue(map.containsKey(key), "key not found: $key")
val actualValue = map.get(key)
assertEquals(value, actualValue, "wrong value fo key: $key")
map.remove(key)
assertFalse(map.containsKey(key), "unexpected key after remove: $key")
value += 3
}
}
@Test abstract fun constructors()
private object ConstMap : Map<String, Int> {
override val entries: Set<Map.Entry<String, Int>>
get() = setOf(object : Map.Entry<String, Int> {
override val key: String get() = "key"
override val value: Int get() = 42
})
override val keys: Set<String> get() = setOf("key")
override val size: Int get() = 1
override val values = listOf(42)
override fun containsKey(key: String) = key == "key"
override fun containsValue(value: Int) = value == 42
override fun get(key: String) = if (key == "key") 42 else null
override fun isEmpty() = false
}
// Helpers
abstract fun <T : kotlin.Comparable<T>> Collection<T>.toNormalizedList(): List<T>
fun emptyMap(): Map<String, Int> = emptyMutableMap()
abstract fun emptyMutableMap(): MutableMap<String, Int>
abstract fun emptyMutableMapWithNullableKeyValue(): MutableMap<String?, Int?>
fun createTestMap(): Map<String, Int> = createTestMutableMap()
fun createTestMutableMap(): MutableMap<String, Int> {
val map = emptyMutableMap()
for (i in KEYS.indices) {
map.put(KEYS[i], VALUES[i])
}
return map
}
fun <K, V> genericHashMapOf(vararg values: Pair<K, V>) = hashMapOf(*values)
}
abstract class LinkedMapJsTest : MapJsTest() {
private fun <T> assertSameOrder(expected: Collection<T>, actual: Collection<T>, message: String) {
assertEquals(expected.size, actual.size, "$message; different elements count")
expected.zip(actual).forEachIndexed { index, (a, b) ->
assertEquals(a, b, "$message; wrong element at index $index")
}
}
private data class FakeEntry(override val key: String, override val value: Int) : Map.Entry<String, Int> {
override fun equals(other: Any?): Boolean {
return other is Map.Entry<*, *> && other.key == key && other.value == value
}
override fun hashCode(): Int {
return 31 * key.hashCode() + value
}
}
@Test
fun insertionOrder() {
val map = createTestMap()
assertSameOrder(KEYS, map.keys, "keys order")
assertSameOrder(VALUES, map.values, "values order")
assertSameOrder(KEYS.zip(VALUES, ::FakeEntry), map.entries, "entries order")
}
@Test
fun insertionOrderAfterRemovingFirstElement() {
val map = createTestMutableMap()
for (i in KEYS.indices) {
assertEquals(map.remove(KEYS[i]), VALUES[i], "remove $i element")
assertSameOrder(KEYS.drop(i + 1), map.keys, "keys order after removing $i")
assertSameOrder(VALUES.drop(i + 1), map.values, "values order after removing $i")
assertSameOrder(KEYS.zip(VALUES, ::FakeEntry).drop(i + 1), map.entries, "values order after removing $i")
}
}
@Test
fun insertionOrderAfterRemovingLastElement() {
val map = createTestMutableMap()
for (i in KEYS.indices.reversed()) {
assertEquals(map.remove(KEYS[i]), VALUES[i], "remove $i element")
assertSameOrder(KEYS.dropLast(KEYS.size - i), map.keys, "keys order after removing $i")
assertSameOrder(VALUES.dropLast(VALUES.size - i), map.values, "values order after removing $i")
assertSameOrder(KEYS.zip(VALUES, ::FakeEntry).dropLast(KEYS.size - i), map.entries, "values order after removing $i")
}
}
@Test
fun insertionOrderAfterRemovingMidElement() {
val map = createTestMutableMap()
assertEquals(map.remove(KEYS[1]), VALUES[1], "remove element")
assertSameOrder(KEYS.filter { it != KEYS[1] }, map.keys, "keys order after removing")
assertSameOrder(VALUES.filter { it != VALUES[1] }, map.values, "values order after removing")
assertSameOrder(KEYS.zip(VALUES, ::FakeEntry).filter { it.key != KEYS[1] }, map.entries, "values order after removing")
}
@Test
fun insertionOrderAfterRemovingWithIterator() {
val map = createTestMutableMap()
var newKeys = KEYS
var newValues = VALUES
val iter = map.iterator()
val toRemove = listOf(true, true, false, true)
for ((i, remove) in toRemove.withIndex()) {
assertEquals<Map.Entry<*, *>>(FakeEntry(KEYS[i], VALUES[i]), iter.next(), "element ${KEYS[i]}")
if (remove) {
iter.remove()
newKeys = newKeys.filter { it != KEYS[i] }
newValues = newValues.filter { it != VALUES[i] }
}
assertSameOrder(newKeys, map.keys, "keys order after removing")
assertSameOrder(newValues, map.values, "values order after removing")
assertSameOrder(newKeys.zip(newValues, ::FakeEntry), map.entries, "values order after removing")
}
}
@Test
fun insertionOrderAfterInserting() {
val map = createTestMutableMap()
map[KEYS[0]] = VALUES[0]
map[KEYS[2]] = VALUES[2]
assertSameOrder(KEYS, map.keys, "keys order")
assertSameOrder(VALUES, map.values, "values order")
assertSameOrder(KEYS.zip(VALUES, ::FakeEntry), map.entries, "entries order")
map["extra key 1"] = 101
map["extra key 2"] = 102
val newKeys = KEYS + listOf("extra key 1", "extra key 2")
val newValues = VALUES + listOf(101, 102)
assertSameOrder(newKeys, map.keys, "keys order")
assertSameOrder(newValues, map.values, "values order")
assertSameOrder(newKeys.zip(newValues, ::FakeEntry), map.entries, "entries order")
}
@Test
fun insertionOrderAfterInsertingRemoving() {
val map = emptyMutableMap()
var entries = (1 until 100).map { FakeEntry("key$it", it) }
val insertingRemoving = listOf(
-1, -99, 1, -10, 150, 99, -2, 10, -150, -49, 101, -99, -98, -97, -77, -1, 2,
+102, 103, 1, -4, 104, 4, -3, -5, -6, -7, 7, 3, -101, 150, -8, -9, -10, 8,
+200, 201, 202, 203, 204, 205, 206, -200, -201, -102, -11, -12, -13, -14, -15,
136, -7, 117, -43, -70, 106, -74, -91, 133, 5, 6, -85, -58, 145, -54, -34, 74, -93,
146, -38, -40, -16, 118, 114, -61, -81, -6, -88, -67, -39, -94, -28, -63, -86, 61,
-21, -82, -33, 28, -84, -37, 115, -30, 112, 14, -73, -79, 116, 16, 148, 33, 113, 86,
-68, -45, 100, -74, -56, 21, -96, 131, 9, -46, 137, -18, -87, 135, 97, -133, -32, 108,
-22, 58, 68, 63, 45, -35, 99, -68, -114, -89, 134, 35, -29, 144, -25, 7, 96, -33, 82,
)
entries.forEach { map[it.key] = it.value }
for (i in insertingRemoving) {
if (i < 0) {
entries = entries.filter { it.value != -i }
assertEquals(map.remove("key${-i}"), -i, "remove element ${-i}")
} else {
entries = entries + listOf(FakeEntry("key$i", i))
assertEquals(map.put("key$i", i), null, "insert element $i")
}
assertSameOrder(entries.map { it.key }, map.keys, "keys order after $i")
assertSameOrder(entries.map { it.value }, map.values, "values order after $i")
assertSameOrder(entries, map.entries, "values order after $i")
}
}
}