Ilya Gorbunov
71 lines
1.9 KiB
Kotlin
71 lines
1.9 KiB
Kotlin
package test.properties.delegation.map
|
|
|
|
import java.util.*
|
|
import kotlin.properties.*
|
|
import kotlin.test.*
|
|
import org.junit.Test as 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 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 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(1, i)
|
|
assertEquals(1.0, x)
|
|
assertTrue(assertFails { d } is NoSuchElementException)
|
|
}
|
|
}
|
|
|
|
|
|
|
|
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)
|
|
|
|
map["c"] = "string"
|
|
// fails { c } // does not fail in JS due to KT-8135
|
|
|
|
map["a"] = null
|
|
a // fails { a } // does not fail due to KT-8135
|
|
|
|
assertTrue(assertFails { d } is NoSuchElementException)
|
|
map["d"] = null
|
|
assertEquals(null, d)
|
|
}
|
|
}
|