| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8" /> |
| <title>WebPreferences Test: reducedData attribute tests</title> |
| <link rel="author" title="Luke Warlow" href="mailto:lwarlow@igalia.com" /> |
| <link rel="help" href="https://drafts.csswg.org/mediaqueries-5/#auto-pref%E2%91%A0" /> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src=./resources/preferences-helper.js></script> |
| </head> |
| <body> |
| <script> |
| test(() => { |
| assert_true('preferences' in navigator, 'navigator.preferences defined'); |
| assert_true('reducedData' in navigator.preferences, 'navigator.preferences.reducedData defined'); |
| }, "navigator.preferences.reducedData supported"); |
| test(() => { |
| assert_true('override' in navigator.preferences.reducedData, 'navigator.preferences.reducedData.override defined'); |
| assert_equals(navigator.preferences.reducedData.override, null); |
| }, "navigator.preferences.reducedData.override supported"); |
| test(() => { |
| assert_true('value' in navigator.preferences.reducedData, 'navigator.preferences.reducedData.value defined'); |
| assert_equals(navigator.preferences.reducedData.value, 'no-preference'); |
| }, "navigator.preferences.reducedData.value supported"); |
| test(() => { |
| assert_true('validValues' in navigator.preferences.reducedData, 'navigator.preferences.reducedData.validValues defined'); |
| assert_true(navigator.preferences.reducedData.validValues.includes('reduce'), 'navigator.preferences.reducedData.validValues includes "reduce"'); |
| assert_true(navigator.preferences.reducedData.validValues.includes('no-preference'), 'navigator.preferences.reducedData.validValues includes "no-preference"'); |
| }, "navigator.preferences.reducedData.validValues supported"); |
| promise_test((t) => { |
| assert_true('requestOverride' in navigator.preferences.reducedData, 'navigator.preferences.reducedData.requestOverride() defined'); |
| return navigator.preferences.reducedData.requestOverride('this-is-an-invalid-value') |
| .then(() => { |
| assert_not_reached('requestOverride with invalid value should not resolve'); |
| }) |
| .catch((e) => { |
| assert_true(e instanceof DOMException); |
| assert_equals(navigator.preferences.reducedData.override, null); |
| t.done(); |
| }); |
| }, "navigator.preferences.reducedData.requestOverride() with invalid value throws"); |
| promise_test(async (t) => { |
| assert_true('clearOverride' in navigator.preferences.reducedData, 'navigator.preferences.reducedData.clearOverride() defined'); |
| await navigator.preferences.reducedData.requestOverride('reduce'); |
| assert_equals(navigator.preferences.reducedData.override, 'reduce'); |
| navigator.preferences.reducedData.clearOverride(); |
| assert_equals(navigator.preferences.reducedData.override, null); |
| t.done(); |
| }, "navigator.preferences.reducedData.clearOverride() supported"); |
| promise_test(async (t) => { |
| await navigator.preferences.reducedData.requestOverride('reduce'); |
| assert_equals(navigator.preferences.reducedData.override, 'reduce'); |
| await navigator.preferences.reducedData.requestOverride(null); |
| assert_equals(navigator.preferences.reducedData.override, null); |
| t.done(); |
| }, "navigator.preferences.reducedData.requestOverride(null) works like clearOverride()"); |
| promise_test(async (t) => { |
| await navigator.preferences.reducedData.requestOverride('reduce'); |
| assert_equals(navigator.preferences.reducedData.override, 'reduce'); |
| await navigator.preferences.reducedData.requestOverride(''); |
| assert_equals(navigator.preferences.reducedData.override, null); |
| t.done(); |
| }, "navigator.preferences.reducedData.requestOverride('') works like clearOverride()"); |
| promise_test(async (t) => { |
| await navigator.preferences.reducedData.requestOverride('no-preference'); |
| assert_true(window.matchMedia('(prefers-reduced-data: no-preference)').matches, '(prefers-reduced-data: no-preference) matches'); |
| assert_equals(navigator.preferences.reducedData.value, 'no-preference'); |
| await navigator.preferences.reducedData.requestOverride('reduce'); |
| assert_true(window.matchMedia('(prefers-reduced-data: reduce)').matches, '(prefers-reduced-data: reduce) matches'); |
| assert_equals(navigator.preferences.reducedData.value, 'reduce'); |
| navigator.preferences.reducedData.clearOverride(); |
| assert_true(window.matchMedia('(prefers-reduced-data: no-preference)').matches); |
| assert_equals(navigator.preferences.reducedData.value, 'no-preference'); |
| t.done(); |
| }, "navigator.preferences.reducedData.requestOverride() updates (prefers-reduced-data)"); |
| async_test((t) => { |
| t.add_cleanup(() => { |
| navigator.preferences.reducedData.clearOverride(); |
| navigator.preferences.reducedData.onchange = null; |
| }); |
| navigator.preferences.reducedData.onchange = t.step_func_done(); |
| navigator.preferences.reducedData.requestOverride('reduce'); |
| }, "navigator.preferences.reducedData fires change event when requesting override"); |
| async_test((t) => { |
| t.add_cleanup(() => { |
| navigator.preferences.reducedData.clearOverride(); |
| navigator.preferences.reducedData.onchange = null; |
| }); |
| navigator.preferences.reducedData.onchange = t.step_func_done(); |
| navigator.preferences.reducedData.requestOverride('no-preference'); |
| }, "navigator.preferences.reducedData fires change event when requesting override (without value change)"); |
| promise_test(async (t) => { |
| t.add_cleanup(() => { |
| navigator.preferences.reducedData.clearOverride(); |
| navigator.preferences.reducedData.onchange = null; |
| }); |
| await navigator.preferences.reducedData.requestOverride('reduce'); |
| const eventPromise = changeEventPromise("reducedData", t); |
| await navigator.preferences.reducedData.clearOverride(); |
| await eventPromise; |
| }, "navigator.preferences.reducedData fires change event when clearing override"); |
| promise_test(async (t) => { |
| t.add_cleanup(() => { |
| navigator.preferences.reducedData.clearOverride(); |
| navigator.preferences.reducedData.onchange = null; |
| }); |
| await navigator.preferences.reducedData.requestOverride('no-preference'); |
| const eventPromise = changeEventPromise("reducedData", t); |
| await navigator.preferences.reducedData.clearOverride(); |
| await eventPromise; |
| }, "navigator.preferences.reducedData fires change event when clearing override (without value change)"); |
| </script> |
| </body> |
| </html> |
