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/self-test/assertDeepEq.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,93 @@
     1.4 +// Tests for the assertEqual function in jit-test/lib/asserts.js
     1.5 +
     1.6 +load(libdir + "asserts.js");
     1.7 +
     1.8 +function assertNotDeepEq(a, b, options) {
     1.9 +    assertThrowsInstanceOf(() => assertDeepEq(a, b, options), Error);
    1.10 +}
    1.11 +
    1.12 +// primitives
    1.13 +assertDeepEq(undefined, undefined);
    1.14 +assertDeepEq("1", "1");
    1.15 +assertNotDeepEq(1, "1");
    1.16 +assertNotDeepEq(undefined, null);
    1.17 +assertNotDeepEq({}, null);
    1.18 +
    1.19 +// objects
    1.20 +assertDeepEq({}, {});
    1.21 +assertDeepEq({one: 1, two: 2}, {one: 1, two: 2});
    1.22 +assertNotDeepEq(Object.freeze({}), {});
    1.23 +assertDeepEq(Object.create(null), Object.create(null));
    1.24 +assertNotDeepEq(Object.create(null, {a: {configurable: false, value: 3}}),
    1.25 +               Object.create(null, {a: {configurable: true, value: 3}}));
    1.26 +assertNotDeepEq({one: 1}, {one: 1, two: 2});
    1.27 +assertNotDeepEq({yes: true}, {oui: true});
    1.28 +assertNotDeepEq({zero: 0}, {zero: "0"});
    1.29 +
    1.30 +// test the comment
    1.31 +var x = {}, y = {}, ax = [x];
    1.32 +assertDeepEq([ax, x], [ax, y]);  // passes (bogusly)
    1.33 +assertNotDeepEq([ax, x], [ax, y], {strictEquivalence: true});
    1.34 +assertDeepEq([x, ax], [y, ax]);  // passes (bogusly)
    1.35 +assertNotDeepEq([x, ax], [y, ax], {strictEquivalence: true});
    1.36 +
    1.37 +// object identity
    1.38 +assertNotDeepEq([x, y], [x, x]);
    1.39 +assertDeepEq([x, y], [x, y]);
    1.40 +assertDeepEq([y, x], [x, y]);
    1.41 +
    1.42 +// proto chain
    1.43 +var x = {};
    1.44 +assertDeepEq(Object.create(x), Object.create(x));
    1.45 +assertDeepEq(Object.create({}), Object.create({})); // equivalent but not identical proto objects
    1.46 +
    1.47 +// arrays
    1.48 +assertDeepEq([], []);
    1.49 +assertNotDeepEq([], [1]);
    1.50 +assertDeepEq([1], [1]);
    1.51 +assertNotDeepEq([0], [1]);
    1.52 +assertDeepEq([1, 2, 3], [1, 2, 3]);
    1.53 +assertNotDeepEq([1, , 3], [1, undefined, 3]);
    1.54 +var p = [], q = [];
    1.55 +p.prop = 1;
    1.56 +assertNotDeepEq(p, q);
    1.57 +assertNotDeepEq(q, p);
    1.58 +q.prop = 1;
    1.59 +assertDeepEq(q, p);
    1.60 +
    1.61 +// functions
    1.62 +assertNotDeepEq(() => 1, () => 2);
    1.63 +assertNotDeepEq((...x) => 1, x => 1);
    1.64 +assertNotDeepEq(function f(){}, function g(){});
    1.65 +var f1 = function () {}, f2 = function () {};
    1.66 +assertDeepEq(f1, f1);
    1.67 +assertDeepEq(f1, f2);  // same text, close enough
    1.68 +f1.prop = 1;
    1.69 +assertNotDeepEq(f1, f2);
    1.70 +f2.prop = 1;
    1.71 +assertDeepEq(f1, f2);
    1.72 +
    1.73 +// recursion
    1.74 +var a = [], b = [];
    1.75 +a[0] = a;
    1.76 +b[0] = b;
    1.77 +assertDeepEq(a, b);
    1.78 +a[0] = b;
    1.79 +assertNotDeepEq(a, b);  // [#1=[#1#]] is not structurally equivalent to #1=[[#1#]]
    1.80 +b[0] = a;
    1.81 +assertDeepEq(a, b);
    1.82 +b[0] = [a];  // a[0] === b, b[0] === c, c[0] === a
    1.83 +assertDeepEq(a, b);
    1.84 +
    1.85 +// objects that merge
    1.86 +var x = {};
    1.87 +assertDeepEq({x: x}, {x: x});
    1.88 +var y = [x];
    1.89 +assertDeepEq([y], [y]);
    1.90 +
    1.91 +// cross-compartment
    1.92 +var g1 = newGlobal(), g2 = newGlobal();
    1.93 +assertDeepEq(g1, g2);
    1.94 +assertDeepEq(g1, g2, {strictEquivalence: true});
    1.95 +Object.preventExtensions(g2.Math.abs);  // make some miniscule change
    1.96 +assertNotDeepEq(g1, g2);