Anton Bannykh
27 lines
850 B
Kotlin
Vendored
27 lines
850 B
Kotlin
Vendored
// IGNORE_BACKEND: JS_IR
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// EXPECTED_REACHABLE_NODES: 1282
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import kotlin.js.*
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private fun isOrdinaryObject(o: Any?): Boolean = jsTypeOf(o) == "object" && Object.getPrototypeOf(o).`constructor` === Any::class.js
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external class Object {
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companion object {
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fun getPrototypeOf(x: Any?): dynamic
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fun keys(x: Any): Array<String>
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}
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}
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fun box(): String {
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val a = js("{}")
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if (!isOrdinaryObject(a)) return "fail: a is not an object"
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if (Object.keys(a).size != 0) return "fail: a should not have any properties"
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val b = js("{ foo: 23, bar: 42 }")
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if (!isOrdinaryObject(b)) return "fail: b is not an object"
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if (Object.keys(b).size != 2) return "fail: b should have two properties"
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if (b.foo != 23) return "fail: b.foo == ${b.foo}"
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if (b.bar != 42) return "fail: b.bar == ${b.bar}"
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return "OK"
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} |