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-rw-r--r--devtools/server/tests/xpcshell/test_symbols-02.js44
1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_symbols-02.js b/devtools/server/tests/xpcshell/test_symbols-02.js
new file mode 100644
index 0000000000..12d4ef80c8
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_symbols-02.js
@@ -0,0 +1,44 @@
+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Test that we don't run debuggee code when getting symbol names.
+ */
+
+const URL = "foo.js";
+
+add_task(
+ threadFrontTest(async ({ threadFront, debuggee }) => {
+ await testSymbols(threadFront, debuggee);
+ })
+);
+
+async function testSymbols(threadFront, debuggee) {
+ const evalCode = () => {
+ /* eslint-disable mozilla/var-only-at-top-level, no-extend-native, no-unused-vars */
+ // prettier-ignore
+ Cu.evalInSandbox(
+ "(" + function () {
+ Symbol.prototype.toString = () => {
+ throw new Error("lololol");
+ };
+ var sym = Symbol("le troll");
+ debugger;
+ } + "())",
+ debuggee,
+ "1.8",
+ URL,
+ 1
+ );
+ /* eslint-enable mozilla/var-only-at-top-level, no-extend-native, no-unused-vars */
+ };
+
+ const packet = await executeOnNextTickAndWaitForPause(evalCode, threadFront);
+ const environment = await packet.frame.getEnvironment();
+ const { sym } = environment.bindings.variables;
+
+ equal(sym.value.type, "symbol");
+ equal(sym.value.name, "le troll");
+}