| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta name="viewport" content="width=device-width,initial-scale=1"> |
| <link rel="author" href="mailto:sam@webkit.org" title="Sam Weinig"> |
| <link rel="help" href="https://w3c.github.io/IntersectionObserver/#dom-intersectionobserverinit-rootmargin"> |
| <link rel="help" href="https://w3c.github.io/IntersectionObserver/#dom-intersectionobserverinit-scrollmargin"> |
| |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| </head> |
| <body> |
| |
| <script> |
| const testcases = [ |
| { unit: "px", expected: "10px" }, |
| { unit: "cm", expected: "377px" }, |
| { unit: "mm", expected: "37px" }, |
| { unit: "q", expected: "9px" }, |
| { unit: "in", expected: "960px" }, |
| { unit: "pt", expected: "13px" }, |
| { unit: "pc", expected: "160px" }, |
| ]; |
| |
| for (testcase of testcases) { |
| test(function() { |
| const observer = new IntersectionObserver(function(e) {}, { |
| rootMargin: `10${testcase.unit}`, |
| }); |
| assert_equals(observer.rootMargin, `${testcase.expected} ${testcase.expected} ${testcase.expected} ${testcase.expected}`) |
| }, `observer.rootMargin using '${testcase.unit}'`); |
| |
| test(function() { |
| const observer = new IntersectionObserver(function(e) {}, { |
| scrollMargin: `10${testcase.unit}`, |
| }); |
| assert_equals(observer.scrollMargin, `${testcase.expected} ${testcase.expected} ${testcase.expected} ${testcase.expected}`) |
| }, `observer.scrollMargin using '${testcase.unit}'`); |
| } |
| </script> |
| </body> |
| </html> |
