This is a testharness.js-based test.
Found 11 FAIL, 0 TIMEOUT, 0 NOTRUN.
[FAIL] Should throw NOT_SUPPORTED_ERR for pluralized legacy event interface "KeyboardEvents"
assert_throws_dom: function "function () {\n var evt = document.createEvent(plural);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "AnimationEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "CloseEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "ErrorEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "IDBVersionChangeEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "PageTransitionEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "PopStateEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "TrackEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "TransitionEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "WebGLContextEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
[FAIL] Should throw NOT_SUPPORTED_ERR for non-legacy event interface "WheelEvent"
assert_throws_dom: function "function () {\n var evt = document.createEvent(eventInterface);\n }" did not throw
Harness: the test ran to completion.