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-rw-r--r-- | js/xpconnect/tests/chrome/test_onGarbageCollection.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/js/xpconnect/tests/chrome/test_onGarbageCollection.html b/js/xpconnect/tests/chrome/test_onGarbageCollection.html new file mode 100644 index 0000000000..ce056ed354 --- /dev/null +++ b/js/xpconnect/tests/chrome/test_onGarbageCollection.html @@ -0,0 +1,48 @@ +<!doctype html> +<html> + <head> + <title>Bug 1150253 - Sanity test for the SpiderMonkey Debugger API's onGarbageCollection hook</title> + <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"> + </script> + </head> + <body xmlns="http://www.w3.org/1999/xhtml"> + <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1150253" + target="_blank">Mozilla Bug 1150253</a> + + <script type="application/javascript"> + SimpleTest.waitForExplicitFinish(); + + const { gc } = Cu.getJSTestingFunctions(); + + // Instantiate `Debugger` in a sandbox as Debugger requires to be created + // in a compartment different than the debuggee. + let sandbox = Cu.Sandbox( + Components.Constructor("@mozilla.org/systemprincipal;1", "nsIPrincipal")(), + { + freshCompartment: true, + wantGlobalProperties: ["ChromeUtils"], + } + ); + Cu.evalInSandbox(` +const { addDebuggerToGlobal } = ChromeUtils.importESModule( + 'resource://gre/modules/jsdebugger.sys.mjs' +); +addDebuggerToGlobal(globalThis); +`, sandbox + ); + + const dbg = new sandbox.Debugger(this); + + dbg.memory.onGarbageCollection = function (data) { + // Don't keep calling this hook after we finish. + dbg.memory.onGarbageCollection = undefined; + dbg.removeAllDebuggees(); + + ok(data, "The onGarbageCollection hook was fired."); + SimpleTest.finish(); + }; + + gc(); + </script> + </body> +</html> |