From 0b54908dba8d4fdad41e4c6216d13149f6ecf379 Mon Sep 17 00:00:00 2001
From: Daniel Ehrenberg <littledan@chromium.org>
Date: Tue, 27 Feb 2018 23:46:44 +0100
Subject: [PATCH] Add test for eval-in-function template tags (#1457)
Thanks to Caitin Potter for highlighting this test case.
---
.../cache-eval-inner-function.js | 35 +++++++++++++++++++
1 file changed, 35 insertions(+)
create mode 100644 test/language/expressions/tagged-template/cache-eval-inner-function.js
diff --git a/test/language/expressions/tagged-template/cache-eval-inner-function.js b/test/language/expressions/tagged-template/cache-eval-inner-function.js
new file mode 100644
index 0000000000..4963d04c51
--- /dev/null
+++ b/test/language/expressions/tagged-template/cache-eval-inner-function.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2018 Igalia, S. L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-gettemplateobject
+description: Templates are cached by source location inside a function
+info: >
+ Each time eval is called, it is a different site. However, a loop within
+ the eval is considered the same site. This is a regression test for an
+ issue that Caitlin Potter faced in implementations of the new template
+ caching semantics in both V8 and JSC.
+
+ 1. For each element _e_ of _templateRegistry_, do
+ 1. If _e_.[[Site]] is the same Parse Node as _templateLiteral_, then
+ 1. Return _e_.[[Array]].
+---*/
+
+let objs = [];
+function tag(templateObject) {
+ objs.push(templateObject);
+}
+
+for (let a = 0; a < 2; a++) {
+ eval("\
+ (function() {\
+ for (let b = 0; b < 2; b++) {\
+ tag`${a}${b}`;\
+ }\
+ })();\
+ ");
+}
+
+assert.sameValue(objs[0], objs[1]);
+assert.notSameValue(objs[1], objs[2]);
+assert.sameValue(objs[2], objs[3]);
+
--
GitLab