Svyatoslav Kuzmich
4fc461a2ff
* Support boxing/unboxing when casting to Any * Support ===, equals, hashCode, toString * Support adapting String in interop boundary
65 lines
1.4 KiB
Kotlin
Vendored
65 lines
1.4 KiB
Kotlin
Vendored
// TARGET_BACKEND: WASM
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// WITH_RUNTIME
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// FILE: externals.js
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function roundTrip(x) { return x; }
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// FILE: externals.kt
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external fun roundTrip(x: EI?): EI?
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fun assertTrue(x: Boolean) {
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if (!x) error("assertTrue fail")
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}
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fun assertFalse(x: Boolean) {
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if (x) error("assertFalse fail")
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}
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external interface EI
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@JsFun("() => null")
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external fun getNull(): EI?
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@JsFun("() => undefined")
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external fun getUndefined(): EI?
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@JsFun("(ref) => ref === null")
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external fun isJsNull(ref: EI?): Boolean
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@JsFun("(ref) => ref === undefined")
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external fun isJsUndefined(ref: EI?): Boolean
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@JsFun("() => null")
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external fun getJsNullAsNonNullable(): EI
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@JsFun("() => undefined")
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external fun getJsUndefinedAsNonNullable(): EI
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fun box(): String {
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val jsNull = getNull()
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val jsUndefined = getUndefined()
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assertTrue(jsNull == null)
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assertTrue((jsNull as Any?) == null)
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assertTrue((jsNull as Any?) === null)
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assertTrue(jsUndefined == null)
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assertTrue(isJsNull(null))
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assertTrue(isJsNull(null as EI?))
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assertTrue(isJsNull(null as? EI?))
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assertTrue(isJsNull(roundTrip(null)))
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assertTrue(isJsNull(jsNull))
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assertFalse(isJsUndefined(null))
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assertTrue(isJsUndefined(jsUndefined))
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// TODO: Should these fail?
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val n2 = getJsNullAsNonNullable()
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val ud2 = getJsUndefinedAsNonNullable()
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assertTrue(isJsNull(n2))
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assertTrue(isJsUndefined(ud2))
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return "OK"
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} |