Svyatoslav Kuzmich
51 lines
956 B
Kotlin
Vendored
51 lines
956 B
Kotlin
Vendored
// EXPECTED_REACHABLE_NODES: 1283
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fun box(): String {
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var x: String? = foo()
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var r = x + bar()
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if (r != "foobar") return "fail1: $r"
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x = null
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r = x + bar()
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if (r != "nullbar") return "fail2: $r"
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x = foo()
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r = x + null
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if (r != "foonull") return "fail3: $r"
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x = foo()
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r = x + nullString()
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if (r != "foonull") return "fail4: $r"
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r = foo()
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r += bar()
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if (r != "foobar") return "fail5: $r"
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x = null
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r = x + null
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if (r != "nullnull") return "fail6: $r"
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x = foo()
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x += nullString()
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if (x != "foonull") return "fail7: $r"
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x = nullString()
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x += bar()
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if (x != "nullbar") return "fail8: $r"
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x = nullString()
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r = x + nullString()
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if (r != "nullnull") return "fail9: $r"
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x = nullString()
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x += nullString()
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if (x != "nullnull") return "fail10: $x"
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return "OK"
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}
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fun foo() = "foo"
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fun bar() = "bar"
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fun nullString(): String? = null |