Dmitry Petrov
38 lines
1.4 KiB
Kotlin
Vendored
38 lines
1.4 KiB
Kotlin
Vendored
// KOTLIN_CONFIGURATION_FLAGS: STRING_CONCAT=inline
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// WITH_STDLIB
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import kotlin.test.assertEquals
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fun concatAny(x: Any) = "$x!!"
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fun <T : String> concat1(x: T) = "[[$x]]"
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fun <T : String?> concat2(x: T) = "[[$x]]"
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fun <T : String> concat3(x: T?) = "[[$x]]"
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fun <T : String> concat4(x: T) = x + "!!"
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fun <T : String?> concat5(x: T) = x + "!!"
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fun <T : String> concat6(x: T?) = x + "!!"
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fun box(): String {
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assertEquals("[[1]]", concat1("1"))
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assertEquals("[[2]]", concat2("2"))
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assertEquals("[[null]]", concat2(null))
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assertEquals("[[3]]", concat3("3"))
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assertEquals("[[null]]", concat3(null))
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assertEquals("4!!", concat4("4"))
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assertEquals("5!!", concat5("5"))
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assertEquals("null!!", concat5("null"))
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assertEquals("6!!", concat5("6"))
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assertEquals("null!!", concat5("null"))
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return "OK"
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}
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// CHECK_BYTECODE_TEXT
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// JVM_IR_TEMPLATES
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// 1 INVOKEVIRTUAL java/lang/StringBuilder\.append \(Ljava/lang/Object;\)Ljava/lang/StringBuilder;
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// ^ single instance of 'StringBuilder.append(Object)' from 'concatAny',
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// keep it here to make sure there's no error in regexp.
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// 16 INVOKEVIRTUAL java/lang/StringBuilder\.append \(Ljava/lang/String;\)Ljava/lang/StringBuilder;
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// ^ everything else is done with 'StringBuilder.append(String)'
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// 17 INVOKEVIRTUAL java/lang/StringBuilder\.append
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// ^ no other instances of StringBuidler.append(...)
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