James Strachan
50 lines
1.1 KiB
Kotlin
50 lines
1.1 KiB
Kotlin
package test.collections
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import kotlin.test.*
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import java.util.*
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import junit.framework.TestCase
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import org.junit.Test
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class MapTest {
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Test fun getOrElse() {
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val data = HashMap<String, Int>()
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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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Test fun getOrPut() {
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val data = HashMap<String, Int>()
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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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Test fun sizeAndEmpty() {
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val data = HashMap<String, Int>()
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assertTrue{ data.empty }
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assertEquals(data.size, 0)
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}
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Test fun setViaIndexOperators() {
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val map = HashMap<String, String>()
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assertTrue{ map.empty }
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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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