Add m-esr52 at 52.6.0

1 files changed, 42 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/RegExp/toString.js b/js/src/tests/ecma_6/RegExp/toString.js
new file mode 100644
index 000000000..5ffbeed33
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/toString.js
@@ -0,0 +1,42 @@
+var BUGNUMBER = 1079919;
+var summary = "Make RegExp.prototype.toString to be a generic function.";
+
+print(BUGNUMBER + ": " + summary);
+
+assertEq(RegExp.prototype.toString(), "/(?:)/");
+assertEq(/foo/.toString(), "/foo/");
+assertEq(/foo/i.toString(), "/foo/i");
+assertEq(/foo/gimy.toString(), "/foo/gimy");
+assertEq(/foo/igym.toString(), "/foo/gimy");
+assertEq(/\n\r/.toString(), "/\\n\\r/");
+assertEq(/\u2028\u2029/.toString(), "/\\u2028\\u2029/");
+assertEq(/\//.toString(), "/\\//");
+assertEq(RegExp().toString(), "/(?:)/");
+assertEq(RegExp("", "gimy").toString(), "/(?:)/gimy");
+assertEq(RegExp("\n\r").toString(), "/\\n\\r/");
+assertEq(RegExp("\u2028\u2029").toString(), "/\\u2028\\u2029/");
+assertEq(RegExp("/").toString(), "/\\//");
+
+assertThrowsInstanceOf(() => RegExp.prototype.toString.call(), TypeError);
+assertThrowsInstanceOf(() => RegExp.prototype.toString.call(1), TypeError);
+assertThrowsInstanceOf(() => RegExp.prototype.toString.call(""), TypeError);
+assertEq(RegExp.prototype.toString.call({}), "/undefined/undefined");
+assertEq(RegExp.prototype.toString.call({ source:"foo", flags:"bar" }), "/foo/bar");
+
+var a = [];
+var p = new Proxy({}, {
+  get(that, name) {
+    a.push(name);
+    return {
+      toString() {
+        a.push(name + "-tostring");
+        return name;
+      }
+    };
+  }
+});
+assertEq(RegExp.prototype.toString.call(p), "/source/flags");
+assertEq(a.join(","), "source,source-tostring,flags,flags-tostring");
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);