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-rw-r--r--js/src/jit-test/tests/debug/Debugger-debuggees-08.js25
1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/debug/Debugger-debuggees-08.js b/js/src/jit-test/tests/debug/Debugger-debuggees-08.js
new file mode 100644
index 000000000..0aca89676
--- /dev/null
+++ b/js/src/jit-test/tests/debug/Debugger-debuggees-08.js
@@ -0,0 +1,25 @@
+// Adding a debuggee more than once is redundant.
+
+var dbg = new Debugger;
+var g = newGlobal();
+var w = dbg.addDebuggee(g);
+assertEq(w instanceof Debugger.Object, true);
+
+function usual() {
+ assertEq(dbg.hasDebuggee(g), true);
+ assertEq(dbg.hasDebuggee(w), true);
+ var arr = dbg.getDebuggees();
+ assertEq(arr.length, 1);
+ assertEq(arr[0], w);
+}
+
+usual();
+assertEq(dbg.addDebuggee(g), w);
+usual();
+assertEq(dbg.addDebuggee(w), w);
+usual();
+
+// Removing the debuggee once is enough.
+assertEq(dbg.removeDebuggee(g), undefined);
+assertEq(dbg.hasDebuggee(g), false);
+assertEq(dbg.getDebuggees().length, 0);