| <!doctype html> |
| <meta charset=utf-8> |
| <link rel='help' href='https://screen-share.github.io/captured-mouse-events/#captured-mouse-change-event'> |
| <link rel='help' href='https://screen-share.github.io/captured-mouse-events/#captured-mouse-change-event-init'> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| // See https://webidl.spec.whatwg.org/#idl-long |
| const maxLongValue = 2147483647; |
| |
| test(() => { |
| assert_throws_js(TypeError, () => new CapturedMouseEvent()); |
| }, "type argument is mandatory"); |
| |
| test(() => { |
| [ |
| {surfaceX: -5, surfaceY: -5}, /* X, Y negative */ |
| {surfaceX: -5, surfaceY: +5}, /* X negative, Y non-negative */ |
| {surfaceX: +5, surfaceY: -5}, /* X non-negative, Y negative */ |
| {surfaceX: -1, surfaceY: +5}, /* X equal to -1, Y non-negative */ |
| {/* surfaceX: -1, */ surfaceY: +5}, /* Same with implicit surfaceX */ |
| {surfaceX: +5, surfaceY: -1}, /* X non-negative, Y equal to -1 */ |
| {surfaceX: +5 /*, surfaceY: -1 */}, /* Same with implicit surfaceY */ |
| {surfaceX: maxLongValue+1, surfaceY: +5}, /* 'long' overflow for X */ |
| {surfaceX: +5, surfaceY: maxLongValue+1}, /* 'long' overflow for Y */ |
| ].forEach(init => { |
| assert_throws_js(RangeError, () => new CapturedMouseEvent("", init), |
| `eventInitDict=${JSON.stringify(init)}`); |
| }); |
| }, "Invalid surfaceX/surfaceY options cause a RangeError to be thrown"); |
| |
| test(() => { |
| [ |
| {surfaceX: +5, surfaceY: +7}, /* Two positive values */ |
| {surfaceX: -1, surfaceY: -1}, /* Valid case with negative values */ |
| {surfaceX: 0, surfaceY: 0}, /* Minimal non-negative values */ |
| {surfaceX: 0, surfaceY: 5}, /* Minimal non-negative X and positive Y */ |
| {surfaceX: 5, surfaceY: 0}, /* Positive X and minimal non-negative Y */ |
| {surfaceX: maxLongValue, surfaceY: maxLongValue}, /* Maximal values */ |
| ].forEach(init => { |
| let event = new CapturedMouseEvent("", init); |
| assert_equals(event.surfaceX, init.surfaceX, |
| `surfaceX with eventInitDict=${JSON.stringify(init)}`); |
| assert_equals(event.surfaceY, init.surfaceY, |
| `surfaceY with eventInitDict=${JSON.stringify(init)}`); |
| }); |
| }, "Valid surfaceX/surfaceY options are used as initial values"); |
| |
| test(() => { |
| let event = new CapturedMouseEvent(""); |
| assert_equals(event.surfaceX, -1, |
| `surfaceX with implicit eventInitDict={}`); |
| assert_equals(event.surfaceY, -1, |
| `surfaceY with implicit eventInitDict={}`); |
| |
| [ |
| {}, |
| {surfaceX: -1}, |
| {surfaceY: -1}, |
| ].forEach(init => { |
| let event = new CapturedMouseEvent("", init); |
| assert_equals(event.surfaceX, -1, |
| `surfaceX with eventInitDict=${JSON.stringify(init)}`); |
| assert_equals(event.surfaceY, -1, |
| `surfaceY with eventInitDict=${JSON.stringify(init)}`); |
| }); |
| }, "surfaceX/surfaceY default to -1"); |
| </script> |