1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/user-timing/clear_one_measure.any.js b/testing/web-platform/tests/user-timing/clear_one_measure.any.js
new file mode 100644
index 0000000000..a5e663772c
--- /dev/null
+++ b/testing/web-platform/tests/user-timing/clear_one_measure.any.js
@@ -0,0 +1,29 @@
+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 existent measure
+    self.performance.clearMeasures("measure1");
+
+    // test that "measure1" was cleared
+    entries = self.performance.getEntriesByName("measure1");
+
+    assert_equals(entries.length, 0,
+              "After a call to self.performance.clearMeasures(\"measure1\"), " +
+              "self.performance.getEntriesByName(\"measure1\") returns an empty object.");
+
+    // test that "measure2" still exists
+    entries = self.performance.getEntriesByName("measure2");
+    assert_equals(entries[0].name, "measure2",
+              "After a call to self.performance.clearMeasures(\"measure1\"), " +
+              "self.performance.getEntriesByName(\"measure2\") returns an object containing the " +
+              "\"measure2\" measure.");
+
+}, "Clearing an existent measure doesn't affect other existing measures");