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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 17:32:43 +0000
commit6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch)
treea68f146d7fa01f0134297619fbe7e33db084e0aa /js/src/tests/non262/RegExp/exec-lastIndex-negative.js
parentInitial commit. (diff)
downloadthunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz
thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/src/tests/non262/RegExp/exec-lastIndex-negative.js')
-rw-r--r--js/src/tests/non262/RegExp/exec-lastIndex-negative.js27
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/non262/RegExp/exec-lastIndex-negative.js b/js/src/tests/non262/RegExp/exec-lastIndex-negative.js
new file mode 100644
index 0000000000..18eb2ab9d9
--- /dev/null
+++ b/js/src/tests/non262/RegExp/exec-lastIndex-negative.js
@@ -0,0 +1,27 @@
+var BUGNUMBER = 1207922;
+var summary = "negative lastIndex should be treated as 0.";
+
+print(BUGNUMBER + ": " + summary);
+
+var pattern = /abc/gi;
+var string = 'AbcaBcabC';
+
+var indices = [
+ -1,
+ -Math.pow(2,32),
+ -(Math.pow(2,32) + 1),
+ -Math.pow(2,32) * 2,
+ -Math.pow(2,40),
+ -Number.MAX_VALUE,
+];
+for (var index of indices) {
+ pattern.lastIndex = index;
+ var result = pattern.exec(string);
+ assertEq(result.index, 0);
+ assertEq(result.length, 1);
+ assertEq(result[0], "Abc");
+ assertEq(pattern.lastIndex, 3);
+}
+
+if (typeof reportCompare === "function")
+ reportCompare(true, true);