tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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testStringFromCodePoint.js (759B)

      1 // |jit-test| --ion-warmup-threshold=20
      2 
      3 function testBailout() {
      4    function f(v, r) {
      5        for (var i = 0; i < 50; ++i) {
      6            // Ensure DCE and LICM don't eliminate calls to fromCodePoint in
      7            // case the input argument is not a valid code point.
      8            if (i === 0) {
      9                r();
     10            }
     11            String.fromCodePoint(v);
     12            String.fromCodePoint(v);
     13            String.fromCodePoint(v);
     14        }
     15    }
     16 
     17    var result = [];
     18    function r() {
     19        result.push("ok");
     20    }
     21 
     22    do {
     23        result.length = 0;
     24        try {
     25            f(0, r);
     26            f(0, r);
     27            f(0x10ffff + 1, r);
     28        } catch (e) {}
     29        assertEq(result.length, 3);
     30    } while (!inIon());
     31 }
     32 testBailout();