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/*
* Copyright 2010-2018 JetBrains s.r.o. 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 test.assertStaticAndRuntimeTypeIs
import test.io.deserializeFromHex
import test.io.serializeAndDeserialize
import java.util.*
import kotlin.test.*
class CollectionJVMTest {
private fun <T> identitySetOf(vararg values: T): MutableSet<T> {
val map = IdentityHashMap<T, String>()
values.forEach { map.put(it, "") }
return map.keys
}
private data class IdentityData(public val value: Int)
@Test fun removeAllWithDifferentEquality() {
val data = listOf(IdentityData(1), IdentityData(1))
val list = data.toMutableList()
list -= identitySetOf(data[0]) as Iterable<IdentityData>
assertTrue(list.single() === data[1], "Identity contains should be used")
val list2 = data.toMutableList()
list2 -= hashSetOf(data[0]) as Iterable<IdentityData>
assertTrue(list2.isEmpty(), "Equality contains should be used")
val set3: MutableSet<IdentityData> = identitySetOf(*data.toTypedArray())
set3 -= arrayOf(data[1])
assertTrue(set3.isEmpty(), "Array doesn't have contains, equality contains is used instead")
}
@Test fun flatMap() {
val data = listOf("", "foo", "bar", "x", "")
val characters = data.flatMap { it.toList() }
println("Got list of characters ${characters}")
assertEquals(7, characters.size)
val text = characters.joinToString("")
assertEquals("foobarx", text)
}
@Test fun filterIntoLinkedList() {
val data = listOf("foo", "bar")
val foo = data.filterTo(LinkedList<String>()) { it.startsWith("f") }
assertTrue {
foo.all { it.startsWith("f") }
}
assertEquals(1, foo.size)
assertEquals(listOf("foo"), foo)
assertStaticAndRuntimeTypeIs<LinkedList<String>>(foo)
}
@Test fun filterNotIntoLinkedListOf() {
val data = listOf("foo", "bar")
val foo = data.filterNotTo(LinkedList<String>()) { it.startsWith("f") }
assertTrue {
foo.all { !it.startsWith("f") }
}
assertEquals(1, foo.size)
assertEquals(listOf("bar"), foo)
assertStaticAndRuntimeTypeIs<LinkedList<String>>(foo)
}
@Test fun filterNotNullIntoLinkedListOf() {
val data = listOf(null, "foo", null, "bar")
val foo = data.filterNotNullTo(LinkedList<String>())
assertEquals(2, foo.size)
assertEquals(LinkedList(listOf("foo", "bar")), foo)
assertStaticAndRuntimeTypeIs<LinkedList<String>>(foo)
}
@Test fun filterIntoSortedSet() {
val data = listOf("foo", "bar")
val sorted = data.filterTo(sortedSetOf<String>()) { it.length == 3 }
assertEquals(2, sorted.size)
assertEquals(sortedSetOf("bar", "foo"), sorted)
assertStaticAndRuntimeTypeIs<TreeSet<String>>(sorted)
}
@Test fun first() {
assertEquals(19, TreeSet(listOf(90, 47, 19)).first())
}
@Test fun last() {
val data = listOf("foo", "bar")
assertEquals("bar", data.last())
assertEquals(25, listOf(15, 19, 20, 25).last())
assertEquals('a', LinkedList(listOf('a')).last())
}
@Test fun lastException() {
assertFails { LinkedList<String>().last() }
}
@Test fun contains() {
assertTrue(LinkedList(listOf(15, 19, 20)).contains(15))
}
@Test fun toArray() {
val data = listOf("foo", "bar")
val arr = data.toTypedArray()
println("Got array ${arr}")
assertEquals(2, arr.size)
todo {
assertTrue {
arr.isArrayOf<String>()
}
}
}
@Test fun toSortedSet() {
val data = listOf("foo", "Foo", "bar")
val set1 = data.toSortedSet()
assertEquals(listOf("Foo", "bar", "foo"), set1.toList())
val set2 = data.toSortedSet(reverseOrder())
assertEquals(listOf("foo", "bar", "Foo"), set2.toList())
val set3 = data.toSortedSet(String.CASE_INSENSITIVE_ORDER)
assertEquals(listOf("bar", "foo"), set3.toList())
}
@Test fun takeReturnsFirstNElements() {
expect(setOf(1, 2)) { sortedSetOf(1, 2, 3, 4, 5).take(2).toSet() }
}
@Test fun filterIsInstanceList() {
val values: List<Any> = listOf(1, 2, 3.toDouble(), "abc", "cde")
val intValues: List<Int> = values.filterIsInstance<Int>()
assertEquals(listOf(1, 2), intValues)
val doubleValues: List<Double> = values.filterIsInstance<Double>()
assertEquals(listOf(3.0), doubleValues)
val stringValues: List<String> = values.filterIsInstance<String>()
assertEquals(listOf("abc", "cde"), stringValues)
val anyValues: List<Any> = values.filterIsInstance<Any>()
assertEquals(values.toList(), anyValues)
val charValues: List<Char> = values.filterIsInstance<Char>()
assertEquals(0, charValues.size)
}
@Test fun filterIsInstanceArray() {
val src: Array<Any> = arrayOf(1, 2, 3.toDouble(), "abc", "cde")
val intValues: List<Int> = src.filterIsInstance<Int>()
assertEquals(listOf(1, 2), intValues)
val doubleValues: List<Double> = src.filterIsInstance<Double>()
assertEquals(listOf(3.0), doubleValues)
val stringValues: List<String> = src.filterIsInstance<String>()
assertEquals(listOf("abc", "cde"), stringValues)
val anyValues: List<Any> = src.filterIsInstance<Any>()
assertEquals(src.toList(), anyValues)
val charValues: List<Char> = src.filterIsInstance<Char>()
assertEquals(0, charValues.size)
}
@Test fun emptyListIsSerializable() = testSingletonSerialization(emptyList<Any>())
@Test fun emptySetIsSerializable() = testSingletonSerialization(emptySet<Any>())
@Test fun emptyMapIsSerializable() = testSingletonSerialization(emptyMap<Any, Any>())
private fun testSingletonSerialization(value: Any) {
val result = serializeAndDeserialize(value)
assertEquals(value, result)
assertTrue(value === result)
}
@Test fun deserializeEmptyList() = testPersistedDeserialization(
"ac ed 00 05 73 72 00 1c 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 4c 69 73 74 99 6f c7 d0 a7 e0 60 32 02 00 00 78 70",
emptyList<Any>())
@Test fun deserializeEmptySet() = testPersistedDeserialization(
"ac ed 00 05 73 72 00 1b 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 53 65 74 2f 46 b0 15 76 d7 e2 f4 02 00 00 78 70",
emptySet<Any>())
@Test fun deserializeEmptyMap() = testPersistedDeserialization(
"ac ed 00 05 73 72 00 1b 6b 6f 74 6c 69 6e 2e 63 6f 6c 6c 65 63 74 69 6f 6e 73 2e 45 6d 70 74 79 4d 61 70 72 72 37 71 cb 04 4c d2 02 00 00 78 70",
emptyMap<Any, Any>())
private fun testPersistedDeserialization(hexValue: String, expected: Any) {
val actual = deserializeFromHex<Any>(hexValue)
assertEquals(expected, actual)
}
}
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