clear_non_existent_measure.any.js

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This WPT test may be referenced by the following Test IDs:
- /user-timing/clear_non_existent_measure.any.html - WPT Dashboard Interop Dashboard
- /user-timing/clear_non_existent_measure.any.worker.html - WPT Dashboard Interop Dashboard

test(function()

    self.performance.mark("mark1");

    self.performance.measure("measure1", "mark1");

    self.performance.mark("mark2");

    self.performance.measure("measure2", "mark2");

    // test that two measures have been created

    var entries = self.performance.getEntriesByType("measure");

    assert_equals(entries.length, 2, "Two measures have been created for this test.");

    // clear non-existent measure

    self.performance.clearMeasures("measure3");

    // test that "measure1" still exists

    entries = self.performance.getEntriesByName("measure1");

    assert_equals(entries[0].name, "measure1",

              "After a call to self.performance.clearMeasures(\"measure3\"), where \"measure3" +

              "\" is a non-existent measure, self.performance.getEntriesByName(\"measure1\") " +

              "returns an object containing the \"measure1\" measure.");

    // test that "measure2" still exists

    entries = self.performance.getEntriesByName("measure2");

    assert_equals(entries[0].name, "measure2",

              "After a call to self.performance.clearMeasures(\"measure3\"), where \"measure3" +

              "\" is a non-existent measure, self.performance.getEntriesByName(\"measure2\") " +

              "returns an object containing the \"measure2\" measure.");

}, "Clearing a non-existent measure doesn't affect existing measures");