32 lines
549 B
JavaScript
32 lines
549 B
JavaScript
function assert(b) {
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if (!b)
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throw new Error("Bad assertion.")
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}
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noInline(assert);
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let objs = [
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{f: 50},
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{f: 50, g: 70},
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{g: 50, f: 70},
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{h: 50, f: 70},
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{z: 50, f: 70},
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{k: 50, f: 70},
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];
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let s1 = Symbol();
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let s2 = Symbol();
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for (let o of objs)
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o[s1] = "foo";
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function foo(o) {
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assert(o.hasOwnProperty("f"));
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assert(!o.hasOwnProperty("ff"));
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assert(o.hasOwnProperty(s1));
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assert(!o.hasOwnProperty(s2));
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}
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noInline(foo);
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for (let i = 0; i < 40000; ++i) {
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foo(objs[i % objs.length]);
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}
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