oad = resolve;
					iframe.srcdoc = `
								<style>
								${testCaseStyle}
								</style>
								<target></target>
						`;
				});

				const target = iframe.contentDocument.querySelector('target');
				assert_equals(getComputedStyle(target).color, 'rgb(255, 0, 0)', testCase['title']);

				iframe.width = 500;

				assert_equals(getComputedStyle(target).color, 'rgb(0, 128, 0)', testCase['title']);
			}

			return true;
		}
	</script>
</body>

</html>
