52 lines
1.0 KiB
JavaScript
52 lines
1.0 KiB
JavaScript
description(
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"Tests that a dead use of Math.min(a,b) at least speculates that its arguments are indeed numbers."
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);
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function foo(a, b) {
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Math.min(a.f, b.f);
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return 100;
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}
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function bar(a, b) {
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Math.min(a.f, b.f);
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return 100;
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}
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var x = {f:42};
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var y = {f:43};
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var ok = null;
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var expected = 42;
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var empty = "";
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silentTestPass = true;
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noInline(foo);
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noInline(bar);
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for (var i = 0; i < 200; i = dfgIncrement({f:foo, i: i + 1, n: 100})) {
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if (i == 150) {
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x = {f:{valueOf:function(){ ok = i; return 37; }}};
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expected = 37;
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}
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var result = eval(empty + "foo(x, y)");
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if (i >= 150)
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shouldBe("ok", "" + i);
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shouldBe("result", "100");
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}
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x = {f:42};
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y = {f:43};
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ok = null;
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expected = 42;
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for (var i = 0; i < 200; i = dfgIncrement({f:bar, i:i + 1, n:100})) {
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if (i == 150) {
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y = {f:{valueOf:function(){ ok = i; return 37; }}};
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expected = 37;
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}
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var result = eval(empty + "bar(x, y)");
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if (i >= 150)
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shouldBe("ok", "" + i);
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shouldBe("result", "100");
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}
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