Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 30 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js
new file mode 100644
index 0000000000..5c4d0e06f1
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-undefined.js
@@ -0,0 +1,30 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: If a named group was not reached, it is replaced by the empty string
+esid: sec-getsubstitution
+features: [regexp-named-groups]
+info: |
+  Runtime Semantics: GetSubstitution( matched, str, position, captures, namedCaptures, replacement )
+
+  Table: Replacement Text Symbol Substitutions
+
+  Unicode Characters: $<
+  Replacement text:
+    2. Otherwise,
+      c. Let capture be ? Get(namedCaptures, groupName).
+      d. If capture is undefined, replace the text through > with the empty string.
+---*/
+
+let source = "(?<fst>.)(?<snd>.)|(?<thd>x)";
+for (let flags of ["g", "gu"]) {
+  let re = new RegExp(source, flags);
+  assert.sameValue("", "abcd".replace(re, "$<thd>"));
+}
+for (let flags of ["", "u"]) {
+  let re = new RegExp(source, flags);
+  assert.sameValue("cd", "abcd".replace(re, "$<thd>"));
+}
+
+reportCompare(0, 0);