Add tests for string comparison
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package com.baeldung.stringcomparison
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import org.junit.Test
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import kotlin.test.assertFalse
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import kotlin.test.assertTrue
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class StringComparisonUnitTest {
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@Test
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fun compareUsingEqualsOperator() {
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val first = "kotlin"
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val second = "kotlin"
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val firstCapitalized = "KOTLIN"
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assertTrue { first == second }
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assertFalse { first == firstCapitalized }
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}
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@Test
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fun compareUsingReferencialEqualsOperator() {
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val first = "kotlin"
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val second = "kotlin"
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val firstBuildAgain = buildString { "kotlin" }
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assertTrue { first === second }
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assertFalse { first === firstBuildAgain }
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}
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@Test
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fun compareUsingEqualsMethod() {
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val first = "kotlin"
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val second = "kotlin"
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val firstCapitalized = "KOTLIN"
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assertTrue { first.equals(second) }
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assertFalse { first.equals(firstCapitalized) }
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assertTrue { first.equals(firstCapitalized, true) }
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}
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@Test
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fun compareUsingCompareToMethod() {
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val first = "kotlin"
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val second = "kotlin"
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val firstCapitalized = "KOTLIN"
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assertTrue { first.compareTo(second) == 0 }
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assertTrue { first.compareTo(firstCapitalized) == 32 }
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assertTrue { firstCapitalized.compareTo(first) == -32 }
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assertTrue { first.compareTo(firstCapitalized, true) == 0 }
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}
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}
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