Add m-esr52 at 52.6.0

8 files changed, 211 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/Map/NaN-as-key.js b/js/src/tests/ecma_6/Map/NaN-as-key.js
new file mode 100644
index 000000000..6fa5ee67e
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/NaN-as-key.js
@@ -0,0 +1,55 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 722260;
+var summary = 'All NaNs must be treated as identical keys for Map';
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+/* Avoid constant-folding that would happen were |undefined| to be used. */
+var key = -/a/g.missingProperty;
+
+var m = new Map();
+m.set(key, 17);
+assertEq(m.get(key), 17);
+assertEq(m.get(-key), 17);
+assertEq(m.get(NaN), 17);
+
+m.delete(-key);
+assertEq(m.has(key), false);
+assertEq(m.has(-key), false);
+assertEq(m.has(NaN), false);
+
+m.set(-key, 17);
+assertEq(m.get(key), 17);
+assertEq(m.get(-key), 17);
+assertEq(m.get(NaN), 17);
+
+m.delete(NaN);
+assertEq(m.has(key), false);
+assertEq(m.has(-key), false);
+assertEq(m.has(NaN), false);
+
+m.set(NaN, 17);
+assertEq(m.get(key), 17);
+assertEq(m.get(-key), 17);
+assertEq(m.get(NaN), 17);
+
+m.delete(key);
+assertEq(m.has(key), false);
+assertEq(m.has(-key), false);
+assertEq(m.has(NaN), false);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
diff --git a/js/src/tests/ecma_6/Map/browser.js b/js/src/tests/ecma_6/Map/browser.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/browser.js
diff --git a/js/src/tests/ecma_6/Map/constructor-iterator-primitive.js b/js/src/tests/ecma_6/Map/constructor-iterator-primitive.js
new file mode 100644
index 000000000..e1fff5c3c
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/constructor-iterator-primitive.js
@@ -0,0 +1,34 @@
+var BUGNUMBER = 1021835;
+var summary = "Returning non-object from @@iterator should throw";
+
+print(BUGNUMBER + ": " + summary);
+
+let ctors = [
+    Map,
+    Set,
+    WeakMap,
+    WeakSet
+];
+
+let primitives = [
+    1,
+    true,
+    undefined,
+    null,
+    "foo",
+    Symbol.iterator
+];
+
+for (let ctor of ctors) {
+    for (let primitive of primitives) {
+        let arg = {
+            [Symbol.iterator]() {
+                return primitive;
+            }
+        };
+        assertThrowsInstanceOf(() => new ctor(arg), TypeError);
+    }
+}
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);
diff --git a/js/src/tests/ecma_6/Map/forEach-selfhosted-behavior.js b/js/src/tests/ecma_6/Map/forEach-selfhosted-behavior.js
new file mode 100644
index 000000000..ed4d8b57f
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/forEach-selfhosted-behavior.js
@@ -0,0 +1,51 @@
+/*
+ * Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/
+ */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 987243;
+var summary = "Don't use .call(...) in the self-hosted Map.prototype.forEach";
+
+print(BUGNUMBER + ": " + summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var functionCall = Function.prototype.call;
+
+function throwSyntaxError()
+{
+  throw new SyntaxError("Function.prototype.call incorrectly called");
+}
+
+function lalala() {}
+
+Function.prototype.call = throwSyntaxError;
+
+new Map().forEach(throwSyntaxError);
+new Map([[1, 2]]).forEach(lalala);
+new Map([[1, 2], [3, 4]]).forEach(lalala);
+
+Function.prototype.call = function() { this.set(42, "fnord"); };
+
+new Map().forEach(throwSyntaxError);
+new Map([[1, 2]]).forEach(lalala);
+new Map([[1, 2], [3, 4]]).forEach(lalala);
+
+var callCount = 0;
+Function.prototype.call = function() { callCount++; };
+
+new Map().forEach(throwSyntaxError);
+new Map([[1, 2]]).forEach(lalala);
+new Map([[1, 2], [3, 4]]).forEach(lalala);
+
+assertEq(callCount, 0);
+
+/******************************************************************************/
+
+if (typeof reportCompare === "function")
+  reportCompare(true, true);
+
+print("Tests complete");
diff --git a/js/src/tests/ecma_6/Map/getter-name.js b/js/src/tests/ecma_6/Map/getter-name.js
new file mode 100644
index 000000000..08f7890c7
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/getter-name.js
@@ -0,0 +1,10 @@
+var BUGNUMBER = 1180290;
+var summary = 'Map getters should have get prefix';
+
+print(BUGNUMBER + ": " + summary);
+
+assertEq(Object.getOwnPropertyDescriptor(Map, Symbol.species).get.name, "get [Symbol.species]");
+assertEq(Object.getOwnPropertyDescriptor(Map.prototype, "size").get.name, "get size");
+
+if (typeof reportCompare === 'function')
+  reportCompare(true, true);
diff --git a/js/src/tests/ecma_6/Map/iterable.js b/js/src/tests/ecma_6/Map/iterable.js
new file mode 100644
index 000000000..cf6b7228a
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/iterable.js
@@ -0,0 +1,28 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+let length;
+let iterable = {
+   [Symbol.iterator]() { return this; },
+   next() { length = arguments.length; return {done: true}; }
+};
+
+new Map(iterable);
+// ensure no arguments are passed to next() during construction (Bug 1197095)
+assertEq(length, 0);
+
+let typeofThis;
+Object.defineProperty(Number.prototype, Symbol.iterator, {
+  value() {
+    "use strict";
+    typeofThis = typeof this;
+    return { next() { return {done: true}; } };
+  }
+});
+
+new Map(0);
+// ensure that iterable objects retain their type (Bug 1197094)
+assertEq(typeofThis, "number");
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);
diff --git a/js/src/tests/ecma_6/Map/shell.js b/js/src/tests/ecma_6/Map/shell.js
new file mode 100644
index 000000000..e69de29bb
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/shell.js
diff --git a/js/src/tests/ecma_6/Map/symbols.js b/js/src/tests/ecma_6/Map/symbols.js
new file mode 100644
index 000000000..30589a973
--- /dev/null
+++ b/js/src/tests/ecma_6/Map/symbols.js
@@ -0,0 +1,33 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/licenses/publicdomain/ */
+
+var m = new Map;
+
+// Symbols can be Map keys.
+var sym = Symbol();
+m.set(sym, "zero");
+assertEq(m.has(sym), true);
+assertEq(m.get(sym), "zero");
+assertEq(m.has(Symbol()), false);
+assertEq(m.get(Symbol()), undefined);
+assertEq([...m][0][0], sym);
+m.set(sym, "replaced");
+assertEq(m.get(sym), "replaced");
+m.delete(sym);
+assertEq(m.has(sym), false);
+assertEq(m.size, 0);
+
+// Symbols returned by Symbol.for() can be Map keys.
+for (var word of "that that is is that that is not is not is that not it".split(' ')) {
+    sym = Symbol.for(word);
+    m.set(sym, (m.get(sym) || 0) + 1);
+}
+assertDeepEq([...m], [
+    [Symbol.for("that"), 5],
+    [Symbol.for("is"), 5],
+    [Symbol.for("not"), 3],
+    [Symbol.for("it"), 1]
+]);
+
+if (typeof reportCompare === "function")
+  reportCompare(0, 0);