Follow-up 2 to bug 1041631 - Make several more tests work when Symbol…

… is not defined. no_r=me, a=RyanVM on a CLOSED TREE.

--HG--
extra : rebase_source : 16b265e2c241278bc15f8aa6a976ed736fcafcac

dom/tests/mochitest/general/test_interfaces.html

@@ -78,7 +78,6 @@
     {name: "SIMD", nightly: true},
     "StopIteration",
     "String",
-    "Symbol",
     "SyntaxError",
     {name: "TypedObject", nightly: true},
     "TypeError",
@@ -93,6 +92,12 @@
 // IMPORTANT: Do not change the list above without review from
 //            a JavaScript Engine peer!
 
+// Symbol is conditionally defined.
+// If it's defined, insert "Symbol" before "SyntaxError".
+if (typeof Symbol === "function") {
+  ecmaGlobals.splice(ecmaGlobals.indexOf("SyntaxError"), 0, "Symbol");
+}
+
 // IMPORTANT: Do not change the list below without review from a DOM peer,
 //            except to remove items from it!
 //

dom/workers/test/test_worker_interfaces.js

@@ -52,7 +52,6 @@ var ecmaGlobals =
     {name: "SIMD", nightly: true},
     "StopIteration",
     "String",
-    "Symbol",
     "SyntaxError",
     {name: "TypedObject", nightly: true},
     "TypeError",
@@ -67,6 +66,12 @@ var ecmaGlobals =
 // IMPORTANT: Do not change the list above without review from
 //            a JavaScript Engine peer!
 
+// Symbol is conditionally defined.
+// If it's defined, insert "Symbol" before "SyntaxError".
+if (typeof Symbol === "function") {
+  ecmaGlobals.splice(ecmaGlobals.indexOf("SyntaxError"), 0, "Symbol");
+}
+
 // IMPORTANT: Do not change the list below without review from a DOM peer!
 var interfaceNamesInGlobalScope =
   [

js/src/jit-test/tests/asm.js/testGlobals.js

@@ -123,9 +123,11 @@ assertAsmLinkFail(asmCompile('glob','foreign', USE_ASM + 'var i = foreign.x|0; f
 assertEq(asmLink(asmCompile('glob','foreign', USE_ASM + 'var i = foreign.x|0; function f() { return i|0} return f'), null, {x:"blah"})(), 0);
 assertEq(asmLink(asmCompile('glob','foreign', USE_ASM + 'var i = +foreign.x; function f() { return +i} return f'), null, {x:"blah"})(), NaN);
 assertEq(asmLink(asmCompile('glob','foreign', USE_ASM + 'var tof = glob.Math.fround; var i = tof(foreign.x); function f() { return +i} return f'), this, {x:"blah"})(), NaN);
-assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var i = foreign.x|0; function f() { return i|0} return f')(null, {x:Symbol("blah")}), TypeError);
-assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var i = +foreign.x; function f() { return +i} return f')(null, {x:Symbol("blah")}), TypeError);
-assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var tof = glob.Math.fround; var i = tof(foreign.x); function f() { return +i} return f')(this, {x:Symbol("blah")}), TypeError);
+if (typeof Symbol === "function") {
+    assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var i = foreign.x|0; function f() { return i|0} return f')(null, {x:Symbol("blah")}), TypeError);
+    assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var i = +foreign.x; function f() { return +i} return f')(null, {x:Symbol("blah")}), TypeError);
+    assertThrowsInstanceOf(() => asmCompile('glob','foreign',USE_ASM + 'var tof = glob.Math.fround; var i = tof(foreign.x); function f() { return +i} return f')(this, {x:Symbol("blah")}), TypeError);
+}
 
 // Temporary workaround; this test can be removed when Emscripten is fixed and
 // the fix has propagated out to most apps:

js/src/jit-test/tests/symbol/typed-arrays.js

@@ -2,30 +2,30 @@ load(libdir + "asserts.js");
 
 var LENGTH = 1024, SYMBOL_INDEX = 999;
 
-var sym = this.Symbol ? () => Symbol.for("comet") : () => NaN;
+if (typeof Symbol === "function") {
+    var big = [];
+    for (var i = 0; i < LENGTH; i++)
+        big[i] = (i === SYMBOL_INDEX ? Symbol.for("comet") : i);
 
-var big = [];
-for (var i = 0; i < LENGTH; i++)
-    big[i] = (i === SYMBOL_INDEX ? sym() : i);
-
-var progress;
-function copy(arr, big) {
-    for (var i = 0; i < LENGTH; i++) {
-        arr[i] = big[i];
-        progress = i;
+    var progress;
+    function copy(arr, big) {
+        for (var i = 0; i < LENGTH; i++) {
+            arr[i] = big[i];
+            progress = i;
+        }
     }
-}
 
-for (var T of [Uint8Array, Uint8ClampedArray, Int16Array, Float32Array]) {
-    // Typed array constructors convert symbols using ToNumber, which throws.
-    assertThrowsInstanceOf(() => new T(big), TypeError);
+    for (var T of [Uint8Array, Uint8ClampedArray, Int16Array, Float32Array]) {
+        // Typed array constructors convert symbols using ToNumber, which throws.
+        assertThrowsInstanceOf(() => new T(big), TypeError);
 
-    // Element assignment does the same.
-    var arr = new T(big.length);
-    for (var k = 0; k < 3; k++) {
-        progress = -1;
-        assertThrowsInstanceOf(() => copy(arr, big), TypeError);
-        assertEq(progress, SYMBOL_INDEX - 1);
-        assertEq(arr[SYMBOL_INDEX], 0);
+        // Element assignment does the same.
+        var arr = new T(big.length);
+        for (var k = 0; k < 3; k++) {
+            progress = -1;
+            assertThrowsInstanceOf(() => copy(arr, big), TypeError);
+            assertEq(progress, SYMBOL_INDEX - 1);
+            assertEq(arr[SYMBOL_INDEX], 0);
+        }
     }
 }

toolkit/devtools/server/actors/script.js

@@ -5420,7 +5420,7 @@ function getInnerId(window) {
                 getInterface(Ci.nsIDOMWindowUtils).currentInnerWindowID;
 };
 
-const symbolProtoToString = Symbol.prototype.toString;
+const symbolProtoToString = typeof Symbol === "function" ? Symbol.prototype.toString : null;
 
 function getSymbolName(symbol) {
   const name = symbolProtoToString.call(symbol).slice("Symbol(".length, -1);