Add m-esr52 at 52.6.0

1 files changed, 76 insertions, 0 deletions

diff --git a/js/src/tests/ecma_6/RegExp/search-trace.js b/js/src/tests/ecma_6/RegExp/search-trace.js
new file mode 100644
index 000000000..ef14514c6
--- /dev/null
+++ b/js/src/tests/ecma_6/RegExp/search-trace.js
@@ -0,0 +1,76 @@
+var BUGNUMBER = 887016;
+var summary = "Trace RegExp.prototype[@@search] behavior.";
+
+print(BUGNUMBER + ": " + summary);
+
+var n;
+var log;
+var target;
+
+var execResult;
+var lastIndexResult;
+var lastIndexExpected;
+
+function P(index) {
+  return new Proxy({ index }, {
+    get(that, name) {
+      log += "get:result[" + name + "],";
+      return that[name];
+    }
+  });
+}
+
+var myRegExp = {
+  get lastIndex() {
+    log += "get:lastIndex,";
+    return lastIndexResult[n];
+  },
+  set lastIndex(v) {
+    log += "set:lastIndex,";
+    assertEq(v, lastIndexExpected[n]);
+  },
+  get exec() {
+    log += "get:exec,";
+    return function(S) {
+      log += "call:exec,";
+      assertEq(S, target);
+      return execResult[n++];
+    };
+  },
+};
+
+function reset() {
+  n = 0;
+  log = "";
+  target = "abcAbcABC";
+}
+
+// Trace hit.
+reset();
+execResult        = [     P(16) ];
+lastIndexResult   = [ 10, ,     ];
+lastIndexExpected = [ 0,  10    ];
+var ret = RegExp.prototype[Symbol.search].call(myRegExp, target);
+assertEq(ret, 16);
+assertEq(log,
+         "get:lastIndex," +
+         "set:lastIndex," +
+         "get:exec,call:exec," +
+         "set:lastIndex," +
+         "get:result[index],");
+
+// Trace not hit.
+reset();
+execResult        = [     null ];
+lastIndexResult   = [ 10, ,    ];
+lastIndexExpected = [ 0,  10   ];
+ret = RegExp.prototype[Symbol.search].call(myRegExp, target);
+assertEq(ret, -1);
+assertEq(log,
+         "get:lastIndex," +
+         "set:lastIndex," +
+         "get:exec,call:exec," +
+         "set:lastIndex,");
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);