Ilya Gorbunov
30 lines
840 B
Kotlin
30 lines
840 B
Kotlin
package test.text
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import kotlin.test.*
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import org.junit.Test
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class RegexJVMTest {
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@Test fun matchGroups() {
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val input = "1a 2b 3c"
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val regex = "(\\d)(\\w)".toRegex()
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val matches = regex.findAll(input).toList()
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assertTrue(matches.all { it.groups.size == 3 })
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val m1 = matches[0]
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assertEquals("1a", m1.groups[0]?.value)
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assertEquals(0..1, m1.groups[0]?.range)
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assertEquals("1", m1.groups[1]?.value)
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assertEquals(0..0, m1.groups[1]?.range)
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assertEquals("a", m1.groups[2]?.value)
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assertEquals(1..1, m1.groups[2]?.range)
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val m2 = matches[1]
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assertEquals("2", m2.groups[1]?.value)
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assertEquals(3..3, m2.groups[1]?.range)
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assertEquals("b", m2.groups[2]?.value)
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assertEquals(4..4, m2.groups[2]?.range)
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}
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}
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