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-rw-r--r--toolkit/modules/tests/xpcshell/test_jsesc.js14
1 files changed, 14 insertions, 0 deletions
diff --git a/toolkit/modules/tests/xpcshell/test_jsesc.js b/toolkit/modules/tests/xpcshell/test_jsesc.js
new file mode 100644
index 0000000000..1190f065b6
--- /dev/null
+++ b/toolkit/modules/tests/xpcshell/test_jsesc.js
@@ -0,0 +1,14 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+const { jsesc } = ChromeUtils.import(
+ "resource://gre/modules/third_party/jsesc/jsesc.js"
+);
+
+function run_test() {
+ Assert.equal(jsesc("teééést", { lowercaseHex: true }), "te\\xe9\\xe9\\xe9st");
+ Assert.equal(
+ jsesc("teééést", { lowercaseHex: false }),
+ "te\\xE9\\xE9\\xE9st"
+ );
+}