1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/src/jit-test/tests/basic/spread-call.js Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,113 @@
1.4 +load(libdir + "asserts.js");
1.5 +load(libdir + "eqArrayHelper.js");
1.6 +load(libdir + "iteration.js");
1.7 +
1.8 +let makeCall = farg => Function("f", "arg", "return f(" + farg + ");");
1.9 +let makeFunCall = farg => Function("f", "arg", "return f.call(null, " + farg + ");");
1.10 +let makeNew = farg => Function("f", "arg", "return new f(" + farg + ").value;");
1.11 +
1.12 +function checkCommon(f, makeFn) {
1.13 + assertEqArray(makeFn("...[1, 2, 3]")(f), [1, 2, 3]);
1.14 + assertEqArray(makeFn("1, ...[2], 3")(f), [1, 2, 3]);
1.15 + assertEqArray(makeFn("1, ...[2], ...[3]")(f), [1, 2, 3]);
1.16 + assertEqArray(makeFn("1, ...[2, 3]")(f), [1, 2, 3]);
1.17 + assertEqArray(makeFn("1, ...[], 2, 3")(f), [1, 2, 3]);
1.18 +
1.19 + // other iterable objects
1.20 + assertEqArray(makeFn("...arg")(f, new Int32Array([1, 2, 3])), [1, 2, 3]);
1.21 + assertEqArray(makeFn("...arg")(f, "abc"), ["a", "b", "c"]);
1.22 + assertEqArray(makeFn("...arg")(f, [1, 2, 3][std_iterator]()), [1, 2, 3]);
1.23 + assertEqArray(makeFn("...arg")(f, Set([1, 2, 3])), [1, 2, 3]);
1.24 + assertEqArray(makeFn("...arg")(f, Map([["a", "A"], ["b", "B"], ["c", "C"]])).map(([k, v]) => k + v), ["aA", "bB", "cC"]);
1.25 + let itr = {};
1.26 + itr[std_iterator] = function() {
1.27 + return {
1.28 + i: 1,
1.29 + next: function() {
1.30 + if (this.i < 4)
1.31 + return { value: this.i++, done: false };
1.32 + else
1.33 + return { value: undefined, done: true };
1.34 + }
1.35 + };
1.36 + };
1.37 + assertEqArray(makeFn("...arg")(f, itr), [1, 2, 3]);
1.38 + function gen() {
1.39 + for (let i = 1; i < 4; i ++)
1.40 + yield i;
1.41 + }
1.42 + assertEqArray(makeFn("...arg")(f, gen()), [1, 2, 3]);
1.43 +
1.44 + assertEqArray(makeFn("...arg=[1, 2, 3]")(f), [1, 2, 3]);
1.45 +
1.46 + // According to the draft spec, null and undefined are to be treated as empty
1.47 + // arrays. However, they are not iterable. If the spec is not changed to be in
1.48 + // terms of iterables, these tests should be fixed.
1.49 + //assertEqArray(makeFn(1, ...null, 2, 3)(f), [1, 2, 3]);
1.50 + //assertEqArray(makeFn(1, ...undefined, 2, 3)(f), [1, 2, 3]);
1.51 + assertThrowsInstanceOf(makeFn("1, ...null, 2, 3"), TypeError);
1.52 + assertThrowsInstanceOf(makeFn("1, ...undefined, 2, 3"), TypeError);
1.53 +}
1.54 +
1.55 +function checkNormal(f, makeFn) {
1.56 + checkCommon(f, makeFn);
1.57 +
1.58 + assertEqArray(makeFn("...[]")(f), [undefined, undefined, undefined]);
1.59 + assertEqArray(makeFn("...[1]")(f), [1, undefined, undefined]);
1.60 + assertEqArray(makeFn("...[1, 2]")(f), [1, 2, undefined]);
1.61 + assertEqArray(makeFn("...[1, 2, 3, 4]")(f), [1, 2, 3]);
1.62 +
1.63 + assertEqArray(makeFn("...[undefined]")(f), [undefined, undefined, undefined]);
1.64 +}
1.65 +
1.66 +checkNormal(function(a, b, c) [a, b, c], makeCall);
1.67 +checkNormal(function(a, b, c) [a, b, c], makeFunCall);
1.68 +checkNormal((a, b, c) => [a, b, c], makeCall);
1.69 +checkNormal((a, b, c) => [a, b, c], makeFunCall);
1.70 +function normalClass(a, b, c) {
1.71 + this.value = [a, b, c];
1.72 + assertEq(Object.getPrototypeOf(this), normalClass.prototype);
1.73 +}
1.74 +checkNormal(normalClass, makeNew);
1.75 +
1.76 +function checkDefault(f, makeFn) {
1.77 + checkCommon(f, makeFn);
1.78 +
1.79 + assertEqArray(makeFn("...[]")(f), [-1, -2, -3]);
1.80 + assertEqArray(makeFn("...[1]")(f), [1, -2, -3]);
1.81 + assertEqArray(makeFn("...[1, 2]")(f), [1, 2, -3]);
1.82 + assertEqArray(makeFn("...[1, 2, 3, 4]")(f), [1, 2, 3]);
1.83 +
1.84 + assertEqArray(makeFn("...[undefined]")(f), [-1, -2, -3]);
1.85 +}
1.86 +
1.87 +checkDefault(function(a = -1, b = -2, c = -3) [a, b, c], makeCall);
1.88 +checkDefault(function(a = -1, b = -2, c = -3) [a, b, c], makeFunCall);
1.89 +checkDefault((a = -1, b = -2, c = -3) => [a, b, c], makeCall);
1.90 +checkDefault((a = -1, b = -2, c = -3) => [a, b, c], makeFunCall);
1.91 +function defaultClass(a = -1, b = -2, c = -3) {
1.92 + this.value = [a, b, c];
1.93 + assertEq(Object.getPrototypeOf(this), defaultClass.prototype);
1.94 +}
1.95 +checkDefault(defaultClass, makeNew);
1.96 +
1.97 +function checkRest(f, makeFn) {
1.98 + checkCommon(f, makeFn);
1.99 +
1.100 + assertEqArray(makeFn("...[]")(f), []);
1.101 + assertEqArray(makeFn("1, ...[2, 3, 4], 5")(f), [1, 2, 3, 4, 5]);
1.102 + assertEqArray(makeFn("1, ...[], 2")(f), [1, 2]);
1.103 + assertEqArray(makeFn("1, ...[2, 3], 4, ...[5, 6]")(f), [1, 2, 3, 4, 5, 6]);
1.104 +
1.105 + assertEqArray(makeFn("...[undefined]")(f), [undefined]);
1.106 +}
1.107 +
1.108 +checkRest(function(...x) x, makeCall);
1.109 +checkRest(function(...x) x, makeFunCall);
1.110 +checkRest((...x) => x, makeCall);
1.111 +checkRest((...x) => x, makeFunCall);
1.112 +function restClass(...x) {
1.113 + this.value = x;
1.114 + assertEq(Object.getPrototypeOf(this), restClass.prototype);
1.115 +}
1.116 +checkRest(restClass, makeNew);
