Add m-esr52 at 52.6.0

1 files changed, 49 insertions, 0 deletions

diff --git a/js/src/jit-test/tests/basic/regexp-removed-dot-star.js b/js/src/jit-test/tests/basic/regexp-removed-dot-star.js
new file mode 100644
index 0000000000..5218494883
--- /dev/null
+++ b/js/src/jit-test/tests/basic/regexp-removed-dot-star.js
@@ -0,0 +1,49 @@
+
+// Test that removal of leading or trailing .* from RegExp test() calls
+// does not affect lastMatch or other RegExpStatics info.
+
+function first(input) {
+    var re = /.*b(cd)/;
+    for (var i = 0; i < 10; i++)
+	re.test(input);
+}
+
+first("1234\nabcdefg\n1234");
+assertEq(RegExp.lastMatch, "abcd");
+assertEq(RegExp.$1, "cd");
+assertEq(RegExp.input, "1234\nabcdefg\n1234");
+assertEq(RegExp.leftContext, "1234\n");
+assertEq(RegExp.rightContext, "efg\n1234");
+assertEq(RegExp.lastParen, "cd");
+
+
+// Test that removal of leading or trailing .* from RegExp test() calls
+// does not affect lastMatch or other RegExpStatics info.
+
+function second(input) {
+    var re = /bcd.*/;
+    for (var i = 0; i < 10; i++)
+	re.test(input);
+}
+
+second("1234\nabcdefg\n1234");
+assertEq(RegExp.lastMatch, "bcdefg");
+assertEq(RegExp.$1, "");
+assertEq(RegExp.input, "1234\nabcdefg\n1234");
+assertEq(RegExp.leftContext, "1234\na");
+assertEq(RegExp.rightContext, "\n1234");
+assertEq(RegExp.lastParen, "");
+
+function third(input) {
+    var re = /.*bcd.*/;
+    for (var i = 0; i < 10; i++)
+	re.test(input);
+}
+
+third("1234\nabcdefg\n1234");
+assertEq(RegExp.lastMatch, "abcdefg");
+assertEq(RegExp.$1, "");
+assertEq(RegExp.input, "1234\nabcdefg\n1234");
+assertEq(RegExp.leftContext, "1234\n");
+assertEq(RegExp.rightContext, "\n1234");
+assertEq(RegExp.lastParen, "");