Artem Kobzar
73 lines
1.8 KiB
Kotlin
Vendored
73 lines
1.8 KiB
Kotlin
Vendored
// !LANGUAGE: +KotlinFunInterfaceConstructorReference
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// IGNORE_BACKEND: JVM
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// ^ unsupported in old JVM BE
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// IGNORE_BACKEND: WASM
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// ^ wasm-function[1893]:0x1cf8a: RuntimeError: dereferencing a null pointer
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// IGNORE_BACKEND: JS
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// IGNORE_BACKEND: JS_IR, JS_IR_ES6
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// ^ TypeError: tmp is not a function
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// FILE: funInterfaceConstructedObjectsEquality.kt
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val ks1: (() -> String) -> KSupplier<String> =
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::KSupplier
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val ks11Foo = ks1(::foo)
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// getter is used to avoid dependency on lazy initialization support
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val ks21Foo get() = ks2(::foo)
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fun interface KStringSupplier {
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fun get(): String
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}
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val kss: (() -> String) -> KStringSupplier =
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::KStringSupplier
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val ks11Bar = ks1(::bar)
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val kssFoo = kss(::foo)
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fun checkEqual(message: String, a1: Any, a2: Any) {
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if (a1 != a2) {
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throw Exception("$message: equals: $a1 != $a2")
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}
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if (a1.hashCode() != a2.hashCode()) {
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throw Exception("$message: hashCode: ${a1.hashCode()} != ${a2.hashCode()}")
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}
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}
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fun checkNotEqual(message: String, a1: Any, a2: Any) {
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if (a1 == a2) {
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throw Exception("$message: equals: $a1 == $a2")
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}
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}
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fun box(): String {
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checkEqual("ks11Foo == ks12Foo (same ctor, different source files)", ks11Foo, ks12Foo)
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checkEqual("ks11Foo == ks21Foo (different ctors, same source file)", ks11Foo, ks21Foo)
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checkEqual("ks11Foo == ks22Foo (different ctors, different source files)", ks11Foo, ks22Foo)
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checkNotEqual("ks11Foo != ks11Bar (different funs)", ks11Foo, ks11Bar)
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checkNotEqual("ks11Foo != kssFoo (different fun interfaces)", ks11Foo, kssFoo)
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return "OK"
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}
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// FILE: KSupplier.kt
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fun interface KSupplier<T> {
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fun get(): T
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}
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fun foo() = "abc"
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fun bar() = "def"
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val ks2: (() -> String) -> KSupplier<String> =
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::KSupplier
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val ks12Foo get() = ks1(::foo)
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val ks22Foo = ks2(::foo) |