The Tor Browser: js/src/jit-test/tests/basic/spread-call.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/spread-call.js@6474c204b198 (annotated)

js/src/jit-test/tests/basic/spread-call.js

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 load(libdir + "asserts.js");
 load(libdir + "eqArrayHelper.js");
 load(libdir + "iteration.js");
 let makeCall    = farg => Function("f", "arg", "return f(" + farg + ");");
 let makeFunCall = farg => Function("f", "arg", "return f.call(null, " + farg + ");");
 let makeNew     = farg => Function("f", "arg", "return new f(" + farg + ").value;");
 function checkCommon(f, makeFn) {
   assertEqArray(makeFn("...[1, 2, 3]")(f), [1, 2, 3]);
   assertEqArray(makeFn("1, ...[2], 3")(f), [1, 2, 3]);
   assertEqArray(makeFn("1, ...[2], ...[3]")(f), [1, 2, 3]);
   assertEqArray(makeFn("1, ...[2, 3]")(f), [1, 2, 3]);
   assertEqArray(makeFn("1, ...[], 2, 3")(f), [1, 2, 3]);
   // other iterable objects
   assertEqArray(makeFn("...arg")(f, new Int32Array([1, 2, 3])), [1, 2, 3]);
   assertEqArray(makeFn("...arg")(f, "abc"), ["a", "b", "c"]);
   assertEqArray(makeFn("...arg")(f, [1, 2, 3][std_iterator]()), [1, 2, 3]);
   assertEqArray(makeFn("...arg")(f, Set([1, 2, 3])), [1, 2, 3]);
   assertEqArray(makeFn("...arg")(f, Map([["a", "A"], ["b", "B"], ["c", "C"]])).map(([k, v]) => k + v), ["aA", "bB", "cC"]);
   let itr = {};
   itr[std_iterator] = function() {
       return {
           i: 1,
           next: function() {
               if (this.i < 4)
                   return { value: this.i++, done: false };
               else
                   return { value: undefined, done: true };
           }
       };
   };
   assertEqArray(makeFn("...arg")(f, itr), [1, 2, 3]);
   function gen() {
       for (let i = 1; i < 4; i ++)
           yield i;
   }
   assertEqArray(makeFn("...arg")(f, gen()), [1, 2, 3]);
   assertEqArray(makeFn("...arg=[1, 2, 3]")(f), [1, 2, 3]);
   // According to the draft spec, null and undefined are to be treated as empty
   // arrays. However, they are not iterable. If the spec is not changed to be in
   // terms of iterables, these tests should be fixed.
   //assertEqArray(makeFn(1, ...null, 2, 3)(f), [1, 2, 3]);
   //assertEqArray(makeFn(1, ...undefined, 2, 3)(f), [1, 2, 3]);
   assertThrowsInstanceOf(makeFn("1, ...null, 2, 3"), TypeError);
   assertThrowsInstanceOf(makeFn("1, ...undefined, 2, 3"), TypeError);
 }
 function checkNormal(f, makeFn) {
   checkCommon(f, makeFn);
   assertEqArray(makeFn("...[]")(f), [undefined, undefined, undefined]);
   assertEqArray(makeFn("...[1]")(f), [1, undefined, undefined]);
   assertEqArray(makeFn("...[1, 2]")(f), [1, 2, undefined]);
   assertEqArray(makeFn("...[1, 2, 3, 4]")(f), [1, 2, 3]);
   assertEqArray(makeFn("...[undefined]")(f), [undefined, undefined, undefined]);
 }
 checkNormal(function(a, b, c) [a, b, c], makeCall);
 checkNormal(function(a, b, c) [a, b, c], makeFunCall);
 checkNormal((a, b, c) => [a, b, c], makeCall);
 checkNormal((a, b, c) => [a, b, c], makeFunCall);
 function normalClass(a, b, c) {
   this.value = [a, b, c];
   assertEq(Object.getPrototypeOf(this), normalClass.prototype);
 }
 checkNormal(normalClass, makeNew);
 function checkDefault(f, makeFn) {
   checkCommon(f, makeFn);
   assertEqArray(makeFn("...[]")(f), [-1, -2, -3]);
   assertEqArray(makeFn("...[1]")(f), [1, -2, -3]);
   assertEqArray(makeFn("...[1, 2]")(f), [1, 2, -3]);
   assertEqArray(makeFn("...[1, 2, 3, 4]")(f), [1, 2, 3]);
   assertEqArray(makeFn("...[undefined]")(f), [-1, -2, -3]);
 }
 checkDefault(function(a = -1, b = -2, c = -3) [a, b, c], makeCall);
 checkDefault(function(a = -1, b = -2, c = -3) [a, b, c], makeFunCall);
 checkDefault((a = -1, b = -2, c = -3) => [a, b, c], makeCall);
 checkDefault((a = -1, b = -2, c = -3) => [a, b, c], makeFunCall);
 function defaultClass(a = -1, b = -2, c = -3) {
   this.value = [a, b, c];
   assertEq(Object.getPrototypeOf(this), defaultClass.prototype);
 }
 checkDefault(defaultClass, makeNew);
 function checkRest(f, makeFn) {
   checkCommon(f, makeFn);
   assertEqArray(makeFn("...[]")(f), []);
   assertEqArray(makeFn("1, ...[2, 3, 4], 5")(f), [1, 2, 3, 4, 5]);
   assertEqArray(makeFn("1, ...[], 2")(f), [1, 2]);
   assertEqArray(makeFn("1, ...[2, 3], 4, ...[5, 6]")(f), [1, 2, 3, 4, 5, 6]);
   assertEqArray(makeFn("...[undefined]")(f), [undefined]);
 }
 checkRest(function(...x) x, makeCall);
 checkRest(function(...x) x, makeFunCall);
 checkRest((...x) => x, makeCall);
 checkRest((...x) => x, makeFunCall);
 function restClass(...x) {
   this.value = x;
   assertEq(Object.getPrototypeOf(this), restClass.prototype);
 }
 checkRest(restClass, makeNew);