LayoutTests/js/script-tests/dfg-float32-array-nan.js

description(
"Tests what happens in the DFG JIT if we load from a Float32 array that contains a weirdly formatted NaN."
);

var buffer = new ArrayBuffer(4);

var int32View = new Int32Array(buffer);
var floatView = new Float32Array(buffer);

int32View[0] = -4587521;

debug(int32View[0]);

function foo(o) {
    debug(o[0]);
    return o[0];
}

for (var i = 0; i < 100; ++i)
    shouldBe("\"\" + foo(floatView)", "\"NaN\"");

debug("I didn't crash, which is a good thing.");