Ilya Gorbunov
72 lines
2.5 KiB
Kotlin
72 lines
2.5 KiB
Kotlin
@file:kotlin.jvm.JvmVersion
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package test.text
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import test.collections.assertArrayNotSameButEquals
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import java.util.*
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import kotlin.test.*
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class StringJVMTest {
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@Test fun testSplitByPattern() = withOneCharSequenceArg("ab1cd2def3") { s ->
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val isDigit = "\\d".toRegex()
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assertEquals(listOf("ab", "cd", "def", ""), s.split(isDigit))
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assertEquals(listOf("ab", "cd", "def3"), s.split(isDigit, 3))
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// deprecation replacement equivalence
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assertEquals("\\d".toPattern().split(s).toList(), s.split("\\d".toRegex()).dropLastWhile { it.isEmpty() }.toTypedArray().toList())
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assertFails {
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s.split(isDigit, -1)
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}
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}
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@Test fun sliceCharSequenceFails() = withOneCharSequenceArg { arg1 ->
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assertFails {
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arg1("abc").slice(1..4)
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}
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assertFails {
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arg1("ABCDabcd").slice(listOf(10))
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}
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}
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@Test fun formatter() {
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assertEquals("12", "%d%d".format(1, 2))
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assertEquals("12", String.format("%d%d", 1, 2))
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assertEquals("1,234,567.890", "%,.3f".format(Locale.ENGLISH, 1234567.890))
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assertEquals("1.234.567,890", "%,.3f".format(Locale.GERMAN, 1234567.890))
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assertEquals("1 234 567,890", "%,.3f".format(Locale("fr"), 1234567.890))
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assertEquals("1,234,567.890", String.format(Locale.ENGLISH, "%,.3f", 1234567.890))
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assertEquals("1.234.567,890", String.format(Locale.GERMAN, "%,.3f", 1234567.890))
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assertEquals("1 234 567,890", String.format(Locale("fr"), "%,.3f", 1234567.890))
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}
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@Test fun toByteArrayEncodings() {
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val s = "hello®"
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assertEquals(String(s.toByteArray()), String(s.toByteArray(Charsets.UTF_8)))
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}
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@Test fun toCharArray() {
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val s = "hello"
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val chars = s.toCharArray()
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assertArrayNotSameButEquals(charArrayOf('h', 'e', 'l', 'l', 'o'), chars)
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val buffer = CharArray(4)
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s.toCharArray(buffer, 2, 1, 3)
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assertArrayNotSameButEquals(charArrayOf('\u0000', '\u0000', 'e', 'l'), buffer)
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}
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@Test fun orderIgnoringCase() {
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val list = listOf("Beast", "Ast", "asterisk")
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assertEquals(listOf("Ast", "Beast", "asterisk"), list.sorted())
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assertEquals(listOf("Ast", "asterisk", "Beast"), list.sortedWith(String.CASE_INSENSITIVE_ORDER))
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}
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@Test fun charsets() {
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assertEquals("UTF-32", Charsets.UTF_32.name())
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assertEquals("UTF-32LE", Charsets.UTF_32LE.name())
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assertEquals("UTF-32BE", Charsets.UTF_32BE.name())
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}
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}
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