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-rw-r--r--js/src/jit-test/tests/debug/Environment-names-02.js34
1 files changed, 34 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Environment-names-02.js b/js/src/jit-test/tests/debug/Environment-names-02.js
new file mode 100644
index 000000000..982043f63
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Environment-names-02.js
@@ -0,0 +1,34 @@
+// env.names() on object environments ignores property names that are not identifiers.
+
+var g = newGlobal();
+var dbg = Debugger(g);
+var withNames, globalNames;
+g.h = function () {
+ var env = dbg.getNewestFrame().environment;
+ withNames = env.names();
+ while (env.parent !== null)
+ env = env.parent;
+ globalNames = env.names();
+};
+
+g.eval("" +
+ function fill(obj) {
+ obj.sanityCheck = 1;
+ obj["0xcafe"] = 2;
+ obj[" "] = 3;
+ obj[""] = 4;
+ obj[0] = 5;
+ obj[Symbol.for("moon")] = 6;
+ return obj;
+ })
+g.eval("fill(this);\n" +
+ "with (fill({})) h();");
+
+for (var names of [withNames, globalNames]) {
+ assertEq(names.indexOf("sanityCheck") !== -1, true);
+ assertEq(names.indexOf("0xcafe"), -1);
+ assertEq(names.indexOf(" "), -1);
+ assertEq(names.indexOf(""), -1);
+ assertEq(names.indexOf("0"), -1);
+ assertEq(names.indexOf(Symbol.for("moon")), -1);
+}