The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jit-test/tests/ion/bug908903.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,54 @@
     1.4 +
     1.5 +function f(x) {
     1.6 +    return x + 1;
     1.7 +}
     1.8 +
     1.9 +setJitCompilerOption("ion.usecount.trigger", 2);
    1.10 +setJitCompilerOption("baseline.usecount.trigger", 0);
    1.11 +
    1.12 +assertEq(f(1), 2);     // usecount == 1 => eagerly compile with baseline.
    1.13 +assertEq(f(0.5), 1.5); // usecount == 2 => normaly compile with ion.
    1.14 +                       //                  invalidate for unexpect output.
    1.15 +
    1.16 +
    1.17 +function normal() {
    1.18 +    setJitCompilerOption("ion.usecount.trigger", 8);
    1.19 +    setJitCompilerOption("baseline.usecount.trigger", 5);
    1.20 +}
    1.21 +
    1.22 +function eager() {
    1.23 +    setJitCompilerOption("ion.usecount.trigger", 0);
    1.24 +}
    1.25 +
    1.26 +function h(x) {
    1.27 +    return x + 1;
    1.28 +}
    1.29 +
    1.30 +function g(x) {
    1.31 +    normal();
    1.32 +    return h(x) + 1;
    1.33 +}
    1.34 +
    1.35 +normal();
    1.36 +for (var i = 0; i < 10; i++) {
    1.37 +    eager();
    1.38 +    assertEq(g(i), i + 2);
    1.39 +}
    1.40 +
    1.41 +
    1.42 +// Check for wrong arguments.
    1.43 +try {
    1.44 +    setJitCompilerOption("not.an.option", 51);
    1.45 +    assertEq(false, true);
    1.46 +} catch (x) { }
    1.47 +
    1.48 +try {
    1.49 +    var ion = { usecount: { trigger: null } };
    1.50 +    setJitCompilerOption(ion.usecount.trigger, 42);
    1.51 +    assertEq(false, true);
    1.52 +} catch (x) { }
    1.53 +
    1.54 +try {
    1.55 +    setJitCompilerOption("ion.usecount.trigger", "32");
    1.56 +    assertEq(false, true);
    1.57 +} catch (x) { }