James Strachan
49 lines
1.1 KiB
Kotlin
49 lines
1.1 KiB
Kotlin
package test.collections
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import java.util.ArrayList
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import kotlin.test.*
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import org.junit.Test as test
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class ListTest {
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test fun head() {
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val data = arrayList("foo", "bar")
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assertEquals("foo", data.head)
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}
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test fun tail() {
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val data = arrayList("foo", "bar", "whatnot")
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assertEquals(arrayList("bar", "whatnot"), data.tail)
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}
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test fun first() {
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val data = arrayList("foo", "bar")
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assertEquals("foo", data.first)
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}
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test fun last() {
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val data = arrayList("foo", "bar")
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assertEquals("bar", data.last)
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}
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test fun withIndices() {
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val data = arrayList("foo", "bar")
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val withIndices = data.withIndices()
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var index = 0
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for (withIndex in withIndices) {
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assertEquals(withIndex._1, index)
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assertEquals(withIndex._2, data[index])
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index++
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}
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assertEquals(data.size(), index)
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}
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test fun lastIndex() {
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val emptyData = ArrayList<String>()
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val data = arrayList("foo", "bar")
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assertEquals(-1, emptyData.lastIndex)
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assertEquals(1, data.lastIndex)
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}
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}
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