refcount-leaks.html | Explore in Territory

<!DOCTYPE html>
<script>
  function noop(x) {
  }

  function doGC() {
    if (window.GCController) {
      window.GCController.collectAll();
    }
  }
  var countOrig;
  var countAfterCreate;
  var countAfterGC;

  function finishTest() {
    doGC();
    var countAfterGC2 = plug.testObjectCount;

    output.innerHTML += "--- num test objects:<br>";
    output.innerHTML += "countAfterCreate == countOrig + 3? "
        + ((countAfterCreate == countOrig + 3) ? "PASS" : "FAIL")
        + "<br>";
    output.innerHTML += "countOrig == countAfterGC? "
        + ((countOrig == countAfterGC) ? "PASS" : "FAIL")
        + "<br>";
    output.innerHTML += "countOrig == countAfterGC2? "
        + ((countOrig == countAfterGC2) ? "PASS" : "FAIL")
        + "<br>";
    output.innerHTML += "<br>";

    var success = (countAfterGC == countOrig) && (countAfterGC2 == countOrig);
    output.innerHTML += (success ? "SUCCESS" : "FAILURE");

    if (window.testRunner)
      testRunner.notifyDone();
  }

  function step2() {
    doGC();
    countAfterGC = plug.testObjectCount;

    var testObj = plug.testCreateTestObject();
    // The following will refcount testObj by passing it to the plugin and again
    // by the plugin calling noop, and we will verify in finishTest that the
    // refcounts are properly released, by verifying the plugin object was
    // properly deleted.
    plug.testPassTestObject("noop", testObj);
    plug.testPassTestObject("noop", testObj);
    plug.testPassTestObject("noop", testObj);

    doGC();
    // PPAPI requires the main loop to run to fully release references. See
    // PPB_Var_Deprecated_Proxy::OnMsgReleaseObject.
    setTimeout(finishTest, 0);
  }

  function runtest() {
    if (window.testRunner) {
      testRunner.dumpAsText();
      testRunner.waitUntilDone();
    }

    var output = document.getElementById("output");
    output.innerHTML = "";

    // Test that objects are deleted after their JS references are released.
    countOrig = plug.testObjectCount;
    o1 = plug.testCreateTestObject();
    o2 = plug.testCreateTestObject();
    o3 = plug.testCreateTestObject();
    countAfterCreate = plug.testObjectCount;
    o1 = o2 = o3 = null;
    doGC();
    // PPAPI requires the main loop to run to fully release references. See
    // PPB_Var_Deprecated_Proxy::OnMsgReleaseObject.
    setTimeout(step2, 0);
  }
</script>

<body onload="runtest()">

Test that we can get an NPObject returned through a method on
an NPAPI Object.<P>

Prints "SUCCESS" on success, "FAILURE" on failure.

<embed name="plug" type="application/x-blink-deprecated-test-plugin">

<div id=output>FAILURE</div>

</body>
chromium/third_party/blink/web_tests/ppapi/plugins/refcount-leaks.html
