Mark Punzalan
46 lines
1.4 KiB
Kotlin
Vendored
46 lines
1.4 KiB
Kotlin
Vendored
var log = ""
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fun <T> logged(value: T): T =
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value.also { log += value }
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fun doTest(id: String, expected: String, expectedLog: String, test: () -> String) {
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log = ""
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val actual = test()
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if (actual != expected) throw AssertionError("$id expected: $expected, actual: $actual")
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if (log != expectedLog) throw AssertionError("$id expectedLog: $expectedLog, actual: $log")
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}
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object A {
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var sets = ""
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fun f(vararg va: String, a: String = "default_a;", b: String): String {
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var ret = ""
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for (s in va) {
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ret += s
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}
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return ret + a + b
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}
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operator fun set(vararg va: String, value: String) {
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for (s in va) {
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sets += s
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}
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log += "set=$value;"
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}
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}
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operator fun String.inc() = this + logged("inc;")
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fun box(): String {
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doTest("test1", "1;2;3;", "1;2;3;value;set=value;;") {
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A[logged("1;"), logged("2;"), logged("3;")] = logged("value;")
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A.sets
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}
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doTest("test2", "1;2;3;default_a;b;", "1;2;3;b;") { A.f(logged("1;"), logged("2;"), logged("3;"), b = logged("b;")) }
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doTest("test3", "1;2;3;a;b;", "1;2;3;b;a;") { A.f(logged("1;"), logged("2;"), logged("3;"), b = logged("b;"), a = logged("a;")) }
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doTest("test4", "1;2;3;a;b;", "1;2;3;a;b;") { A.f(logged("1;"), logged("2;"), logged("3;"), a = logged("a;"), b = logged("b;")) }
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return "OK"
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}
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