James Strachan
54 lines
1.3 KiB
Kotlin
54 lines
1.3 KiB
Kotlin
package test.collections
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import kotlin.test.*
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// TODO can we avoid importing all this stuff by default I wonder?
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// e.g. making println and the collection builder methods public by default?
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import kotlin.*
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import kotlin.io.*
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import kotlin.util.*
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import java.util.*
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import junit.framework.TestCase
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class MapTest() : TestCase() {
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val data: java.util.Map<String, Int> = java.util.HashMap<String, Int>()
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fun testGetOrElse() {
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val a = data.getOrElse("foo"){2}
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assertEquals(2, a)
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val b = data.getOrElse("foo"){3}
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assertEquals(3, b)
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assertEquals(0, data.size())
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}
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fun testGetOrPut() {
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val a = data.getOrPut("foo"){2}
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assertEquals(2, a)
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val b = data.getOrPut("foo"){3}
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assertEquals(2, b)
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assertEquals(1, data.size())
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}
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fun testSizeAndEmpty() {
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assertTrue{ data.empty }
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// TODO using size breaks a test case
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assertEquals(data.size(), 0)
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}
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fun testSetViaIndexOperators() {
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val map = java.util.HashMap<String, String>()
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assertTrue{ map.empty }
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// TODO using size breaks a test case
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assertEquals(map.size(), 0)
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map["name"] = "James"
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assertTrue{ !map.empty }
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assertEquals(map.size(), 1)
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assertEquals("James", map["name"])
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}
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}
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