1 files changed, 20 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/regexp/match-indices-dictionary.js b/js/src/jit-test/tests/regexp/match-indices-dictionary.js
new file mode 100644
index 0000000000..e0cb5993f5
--- /dev/null
+++ b/js/src/jit-test/tests/regexp/match-indices-dictionary.js
@@ -0,0 +1,20 @@
+// |jit-test| skip-if: getBuildConfiguration()['wasi']
+var s = "";
+var input = "";
+for (var i = 0; i < 500; ++i) {
+    s += "(?<a" + i + ">a)";
+    s += "(?<b" + i + ">b)?";
+    input += "a";
+}
+
+var r = RegExp(s, "d");
+var e = r.exec(input);
+
+for (var i = 0; i < 500; i++) {
+    assertEq(e.groups["a" + i], "a");
+    assertEq(e.groups["b" + i], undefined);
+
+    assertEq(e.indices.groups["a" + i][0], i)
+    assertEq(e.indices.groups["a" + i][1], i + 1)
+    assertEq(e.indices.groups["b" + i], undefined)
+}