Adding upstream version 86.0.1.upstream/86.0.1upstream

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

1 files changed, 48 insertions, 0 deletions

diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/lookbehind.js b/js/src/tests/test262/built-ins/RegExp/named-groups/lookbehind.js
new file mode 100644
index 0000000000..48d9c7f437
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/lookbehind.js
@@ -0,0 +1,48 @@
+// Copyright 2018 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Named groups can be used in conjunction with lookbehind
+esid: prod-GroupSpecifier
+features: [regexp-named-groups, regexp-lookbehind]
+includes: [compareArray.js]
+---*/
+
+// Unicode mode
+assert(compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/u)));
+assert.sameValue("c", "abcdef".match(/(?<=(?<a>\w){3})f/u).groups.a);
+assert.sameValue("b", "abcdef".match(/(?<=(?<a>\w){4})f/u).groups.a);
+assert.sameValue("a", "abcdef".match(/(?<=(?<a>\w)+)f/u).groups.a);
+assert.sameValue(null, "abcdef".match(/(?<=(?<a>\w){6})f/u));
+
+assert(compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/u)));
+assert(compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/u)));
+
+assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/u)));
+assert.sameValue(null, "abcdef".match(/(?<!(?<a>\D){3})f/u));
+
+assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/u)));
+assert(compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/u)));
+
+// Non-Unicode mode
+assert(compareArray(["f", "c"], "abcdef".match(/(?<=(?<a>\w){3})f/)));
+assert.sameValue("c", "abcdef".match(/(?<=(?<a>\w){3})f/).groups.a);
+assert.sameValue("b", "abcdef".match(/(?<=(?<a>\w){4})f/).groups.a);
+assert.sameValue("a", "abcdef".match(/(?<=(?<a>\w)+)f/).groups.a);
+assert.sameValue(null, "abcdef".match(/(?<=(?<a>\w){6})f/));
+
+assert(compareArray(["f", ""], "abcdef".match(/((?<=\w{3}))f/)));
+assert(compareArray(["f", ""], "abcdef".match(/(?<a>(?<=\w{3}))f/)));
+
+assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\d){3})f/)));
+assert.sameValue(null, "abcdef".match(/(?<!(?<a>\D){3})f/));
+
+assert(compareArray(["f", undefined], "abcdef".match(/(?<!(?<a>\D){3})f|f/)));
+assert(compareArray(["f", undefined], "abcdef".match(/(?<a>(?<!\D{3}))f|f/)));
+
+// Even within a lookbehind, properties are created in left to right order
+assert(compareArray(["fst", "snd"],
+             Object.getOwnPropertyNames(
+                 /(?<=(?<fst>.)|(?<snd>.))/u.exec("abcd").groups)));
+
+reportCompare(0, 0);