| <!DOCTYPE html> |
| <title>Tests getters and setters of the font metrics override descriptors of FontFace</title> |
| <link rel="author" href="mailto:xiaochengh@chromium.org"> |
| <link rel="help" href="https://drafts.csswg.org/css-font-loading/#fontface-interface"> |
| <link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-metrics-override-desc"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script> |
| function rejection(promise) { |
| return new Promise((resolve, reject) => promise.then(reject, resolve)); |
| } |
| |
| // ascentOverride |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-initial', |
| 'url(https://{{host}}/font.woff)'); |
| assert_equals(face.ascentOverride, 'normal'); |
| }, "Initial value of ascentOverride should be 'normal'"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-initialize-with-normal', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: 'normal'}); |
| assert_equals(face.ascentOverride, 'normal'); |
| }, "Initialize ascentOverride with 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-initialize-with-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: '50%'}); |
| assert_equals(face.ascentOverride, '50%'); |
| }, "Initialize ascentOverride with a percentage should succeed"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'ascent-override-initialize-with-negative-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: '-50%'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize ascentOverride with a negative percentage should fail"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'ascent-override-initialize-with-non-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: '10px'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize ascentOverride with a non-percentage should fail"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-normal-to-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: 'normal'}); |
| face.ascentOverride = '50%'; |
| assert_equals(face.ascentOverride, '50%'); |
| }, "Changing ascentOverride from 'normal' to percentage should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-percentage-to-normal', |
| 'url(https://{{host}}/font.woff)', |
| {ascentOverride: '50%'}); |
| face.ascentOverride = 'normal'; |
| assert_equals(face.ascentOverride, 'normal'); |
| }, "Changing ascentOverride from percentage to 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'ascent-override-set-to-invalid', |
| 'url(https://{{host}}/font.woff)'); |
| assert_throws_dom('SyntaxError', () => {face.ascentOverride = '10px'}); |
| }, "Changing ascentOverride to invalid value should fail"); |
| |
| // descentOverride |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-initial', |
| 'url(https://{{host}}/font.woff)'); |
| assert_equals(face.descentOverride, 'normal'); |
| }, "Initial value of descentOverride should be 'normal'"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-initialize-with-normal', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: 'normal'}); |
| assert_equals(face.descentOverride, 'normal'); |
| }, "Initialize descentOverride with 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-initialize-with-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: '50%'}); |
| assert_equals(face.descentOverride, '50%'); |
| }, "Initialize descentOverride with a percentage should succeed"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'descent-override-initialize-with-negative-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: '-50%'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize descentOverride with a negative percentage should fail"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'descent-override-initialize-with-non-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: '10px'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize descentOverride with a non-percentage should fail"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-normal-to-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: 'normal'}); |
| face.descentOverride = '50%'; |
| assert_equals(face.descentOverride, '50%'); |
| }, "Changing descentOverride from 'normal' to percentage should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-percentage-to-normal', |
| 'url(https://{{host}}/font.woff)', |
| {descentOverride: '50%'}); |
| face.descentOverride = 'normal'; |
| assert_equals(face.descentOverride, 'normal'); |
| }, "Changing descentOverride from percentage to 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'descent-override-set-to-invalid', |
| 'url(https://{{host}}/font.woff)'); |
| assert_throws_dom('SyntaxError', () => {face.descentOverride = '10px'}); |
| }, "Changing descentOverride to invalid value should fail"); |
| |
| // lineGapOverride |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-initial', |
| 'url(https://{{host}}/font.woff)'); |
| assert_equals(face.lineGapOverride, 'normal'); |
| }, "Initial value of lineGapOverride should be 'normal'"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-initialize-with-normal', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: 'normal'}); |
| assert_equals(face.lineGapOverride, 'normal'); |
| }, "Initialize lineGapOverride with 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-initialize-with-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: '50%'}); |
| assert_equals(face.lineGapOverride, '50%'); |
| }, "Initialize lineGapOverride with a percentage should succeed"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'lineGap-override-initialize-with-negative-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: '-50%'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize lineGapOverride with a negative percentage should fail"); |
| |
| promise_test(async () => { |
| const face = new FontFace( |
| 'lineGap-override-initialize-with-non-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: '10px'}); |
| const error = await rejection(face.load()); |
| assert_equals('error', face.status); |
| assert_throws_dom('SyntaxError', () => {throw error}); |
| }, "Initialize lineGapOverride with a non-percentage should fail"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-normal-to-percentage', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: 'normal'}); |
| face.lineGapOverride = '50%'; |
| assert_equals(face.lineGapOverride, '50%'); |
| }, "Changing lineGapOverride from 'normal' to percentage should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-percentage-to-normal', |
| 'url(https://{{host}}/font.woff)', |
| {lineGapOverride: '50%'}); |
| face.lineGapOverride = 'normal'; |
| assert_equals(face.lineGapOverride, 'normal'); |
| }, "Changing lineGapOverride from percentage to 'normal' should succeed"); |
| |
| test(() => { |
| const face = new FontFace( |
| 'lineGap-override-set-to-invalid', |
| 'url(https://{{host}}/font.woff)'); |
| assert_throws_dom('SyntaxError', () => {face.lineGapOverride = '10px'}); |
| }, "Changing lineGapOverride to invalid value should fail"); |
| </script> |
