1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
|
/*
* 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.properties.delegation.map
import kotlin.test.*
class ValByMapExtensionsTest {
val map: Map<String, String> = hashMapOf("a" to "all", "b" to "bar", "c" to "code")
val genericMap = mapOf<String, Any?>("i" to 1, "x" to 1.0)
val mmapOut: MutableMap<String, out String> = mutableMapOf("g" to "out", "g1" to "in")
val genericMmapOut: MutableMap<String, out Any?> = mmapOut
val a by map
val b: String by map
val c: Any by map
val d: String? by map
val e: String by map.withDefault { "default" }
val f: String? by map.withDefault { null }
val g: String by mmapOut
val g1: String by genericMmapOut
// val n: Int by map // prohibited by type system
val i: Int by genericMap
val x: Double by genericMap
@Test fun doTest() {
assertEquals("all", a)
assertEquals("bar", b)
assertEquals("code", c)
assertEquals("default", e)
assertEquals(null, f)
assertEquals("out", g)
assertEquals("in", g1)
assertEquals(1, i)
assertEquals(1.0, x)
assertFailsWith<NoSuchElementException> { d }
}
}
class VarByMapExtensionsTest {
val map = hashMapOf<String, Any?>("a" to "all", "b" to null, "c" to 1, "xProperty" to 1.0)
val map2: MutableMap<String, CharSequence> = hashMapOf("a2" to "all")
var a: String by map
var b: Any? by map
var c: Int by map
var d: String? by map
var a2: String by map2.withDefault { "empty" }
//var x: Int by map2 // prohibited by type system
@Test fun doTest() {
assertEquals("all", a)
assertEquals(null, b)
assertEquals(1, c)
c = 2
assertEquals(2, c)
assertEquals(2, map["c"])
assertEquals("all", a2)
map2.remove("a2")
assertEquals("empty", a2)
assertFailsWith<NoSuchElementException> { d }
map["d"] = null
assertEquals(null, d)
}
@Test fun deprecatedAccessors() {
assertEquals<Int>(
expected = map.getValue(this, VarByMapExtensionsTest::c),
actual = @Suppress("DEPRECATION_ERROR") map.getValue<Int>(this, VarByMapExtensionsTest::c)
)
assertEquals<String>(
expected = map2.getValue<CharSequence, String>(this, VarByMapExtensionsTest::a2),
actual = @Suppress("DEPRECATION_ERROR") map2.getValue<String>(this, VarByMapExtensionsTest::a2)
)
}
}
|