// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
GEN_INCLUDE(['../../testing/chromevox_e2e_test_base.js']);
/**
* Test fixture.
*/
ChromeVoxPanStrategyUnitTest = class extends ChromeVoxE2ETest {};
/**
* Creates an array buffer based off of the passed in content.
* Note: Input should be a string of numbers, spaces will turn to 0's.
* @param {string} content String representing the content.
*/
function createArrayBuffer(content) {
const result = new ArrayBuffer(content.length);
const view = new Uint8Array(result);
for (let i = 0; i < content.length; ++i) {
view[i] = content[i];
}
return result;
}
AX_TEST_F('ChromeVoxPanStrategyUnitTest', 'FixedPanning', function() {
const panner = new PanStrategy();
panner.setPanStrategy(false);
panner.setDisplaySize(0, 0);
panner.setContent('', createArrayBuffer(''), [], 0);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertFalse(panner.previous());
assertFalse(panner.next());
// 25 cells with a blank cell in the first 10 characters.
const translatedContent = createArrayBuffer('01234567 9012345678901234');
panner.setContent('unused', translatedContent, [], 0);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertFalse(panner.next());
assertFalse(panner.previous());
panner.setDisplaySize(1, 10);
assertEquals(panner.displaySize.columns, 10);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertTrue(panner.next());
assertEqualsJSON({firstRow: 1, lastRow: 1}, panner.viewPort);
assertTrue(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertFalse(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 1, lastRow: 1}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
panner.setContent('a', translatedContent, [], 19);
assertEqualsJSON({firstRow: 1, lastRow: 1}, panner.viewPort);
panner.setContent('a', translatedContent, [], 20);
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
panner.setDisplaySize(1, 8);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
// Test Multi-line Panning.
panner.setDisplaySize(2, 10);
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
assertTrue(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertFalse(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
assertFalse(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
});
AX_TEST_F(
'ChromeVoxPanStrategyUnitTest', 'WrappedPanningSingleLine', function() {
const panner = new PanStrategy();
panner.setPanStrategy(true);
// 30 cells with blank cells at positions 8, 22 and 26.
const content = createArrayBuffer('11234567 9112345678911 345 789');
panner.setContent('a', content, [], 0);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertFalse(panner.next());
assertFalse(panner.previous());
panner.setDisplaySize(1, 10);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('11234567 '),
panner.getCurrentBrailleViewportContents());
assertTrue(panner.next());
assertEqualsJSON({firstRow: 1, lastRow: 1}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('9112345678'),
panner.getCurrentBrailleViewportContents());
assertTrue(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('911 345 '),
panner.getCurrentBrailleViewportContents());
assertTrue(panner.next());
assertEqualsJSON({firstRow: 3, lastRow: 3}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('789'), panner.getCurrentBrailleViewportContents());
assertFalse(panner.next());
assertEqualsJSON({firstRow: 3, lastRow: 3}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 1, lastRow: 1}, panner.viewPort);
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertFalse(panner.previous());
panner.setContent('a', content, [], 21);
assertEqualsJSON({firstRow: 2, lastRow: 2}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('911 345 '),
panner.getCurrentBrailleViewportContents());
panner.setContent('a', content, [], 30);
assertEqualsJSON({firstRow: 3, lastRow: 3}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('789'), panner.getCurrentBrailleViewportContents());
panner.setDisplaySize(1, 8);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('11234567'),
panner.getCurrentBrailleViewportContents());
});
AX_TEST_F(
'ChromeVoxPanStrategyUnitTest', 'WrappedPanningMultiline', function() {
const panner = new PanStrategy();
panner.setPanStrategy(true);
// 30 cells with blank cells at positions 8, 22 and 26.
const content = createArrayBuffer('11234567 9112345678911 345 789');
panner.setContent('a', content, [], 0);
panner.setDisplaySize(2, 10);
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('11234567 9112345678'),
panner.getCurrentBrailleViewportContents());
assertTrue(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 3}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('911 345 789'),
panner.getCurrentBrailleViewportContents());
assertFalse(panner.next());
assertEqualsJSON({firstRow: 2, lastRow: 3}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('911 345 789'),
panner.getCurrentBrailleViewportContents());
assertTrue(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('11234567 9112345678'),
panner.getCurrentBrailleViewportContents());
assertFalse(panner.previous());
assertEqualsJSON({firstRow: 0, lastRow: 1}, panner.viewPort);
assertArrayBuffersEquals(
createArrayBuffer('11234567 9112345678'),
panner.getCurrentBrailleViewportContents());
});
AX_TEST_F('ChromeVoxPanStrategyUnitTest', 'FixedSetContent', function() {
const panner = new PanStrategy();
panner.setPanStrategy(false);
const textContent = 'ABCDE FGHI';
const translatedContent = createArrayBuffer('11234 6789');
const mapping = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
panner.setDisplaySize(1, 5);
panner.setContent(textContent, translatedContent, mapping, 0);
const expectedBufferValue = translatedContent;
assertArrayBuffersEquals(expectedBufferValue, panner.fixedBuffer_);
const expectedMappingValue = mapping;
assertArraysEquals(expectedMappingValue, panner.brailleToText);
});
AX_TEST_F('ChromeVoxPanStrategyUnitTest', 'WrappedSetContent', function() {
const panner = new PanStrategy();
panner.setPanStrategy(true);
// When first word is bigger than column size. (Don't wrap word)
let textContent = 'ABCDE';
let translatedContent = createArrayBuffer('11234');
let mapping = [0, 1, 2, 3, 4];
panner.setDisplaySize(1, 4);
panner.setContent(textContent, translatedContent, mapping, 0);
let expectedBufferValue = translatedContent;
assertArrayBuffersEquals(expectedBufferValue, panner.wrappedBuffer_);
let expectedMappingValue = mapping;
assertArraysEquals(expectedMappingValue, panner.brailleToText);
// When first word is equal to column size.
// (We expect space to be removed on next line)
textContent = 'ABCDE FGHI';
translatedContent = createArrayBuffer('11234 6789');
mapping = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
panner.setDisplaySize(1, 5);
panner.setContent(textContent, translatedContent, mapping, 0);
expectedBufferValue = createArrayBuffer('112346789');
assertArrayBuffersEquals(expectedBufferValue, panner.wrappedBuffer_);
expectedMappingValue = [0, 1, 2, 3, 4, 6, 7, 8, 9];
assertArraysEquals(expectedMappingValue, panner.brailleToText);
// When first word is equal to column size + 1. (Space stays)
panner.setDisplaySize(1, 6);
expectedBufferValue = createArrayBuffer('11234 6789');
assertArrayBuffersEquals(expectedBufferValue, panner.wrappedBuffer_);
expectedMappingValue = mapping;
assertArraysEquals(expectedMappingValue, panner.brailleToText);
// When first word is smaller than column size but second word is too big
// to fit the same line. (Pad that line, move second word to next line)
panner.setDisplaySize(1, 7);
expectedBufferValue = createArrayBuffer('11234 6789');
assertArrayBuffersEquals(expectedBufferValue, panner.wrappedBuffer_);
expectedMappingValue = [0, 1, 2, 3, 4, 5, 5, 6, 7, 8, 9];
assertArraysEquals(expectedMappingValue, panner.brailleToText);
// Test all excess spaces are removed.
panner.setDisplaySize(1, 6);
textContent = 'ABCDEF GHI';
translatedContent = createArrayBuffer('112345 789');
mapping = [0, 1, 2, 3, 4, 5, 6, 7, 7, 7, 7, 7, 8, 9, 10];
panner.setContent(textContent, translatedContent, mapping, 0);
expectedBufferValue = createArrayBuffer('112345789');
assertArrayBuffersEquals(expectedBufferValue, panner.wrappedBuffer_);
expectedMappingValue = [0, 1, 2, 3, 4, 5, 7, 8, 9];
assertArraysEquals(expectedMappingValue, panner.brailleToText);
});
AX_TEST_F(
'ChromeVoxPanStrategyUnitTest', 'getCurrentTextViewportContents',
function() {
const panner = new PanStrategy();
panner.setPanStrategy(true);
// 30 cells with blank cells at positions 8, 22 and 26.
const content = createArrayBuffer('11234567 9112345678911 345 789');
const mapping = [
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29,
];
panner.setContent('11234567 9112345678911 345 789', content, mapping, 0);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertFalse(panner.next());
assertFalse(panner.previous());
panner.setDisplaySize(1, 10);
assertEqualsJSON({firstRow: 0, lastRow: 0}, panner.viewPort);
assertEquals('11234567 ', panner.getCurrentTextViewportContents());
panner.next();
assertEquals('9112345678', panner.getCurrentTextViewportContents());
panner.next();
assertEquals('911 345 ', panner.getCurrentTextViewportContents());
panner.next();
assertEquals('789', panner.getCurrentTextViewportContents());
});
AX_TEST_F(
'ChromeVoxPanStrategyUnitTest', 'WrappedUnwrappedCursors', function() {
const panner = new PanStrategy();
panner.setPanStrategy(true);
// 30 cells with blank cells at positions 8, 22 and 26.
const content = createArrayBuffer('11234567 9112345678911 345 789');
panner.setCursor(1, 3);
panner.setContent('a', content, [], 0);
panner.setDisplaySize(2, 10);
assertEqualsJSON({start: 1, end: 3}, panner.getCursor());
assertEqualsJSON({start: 1, end: 3}, panner.wrappedCursor_);
panner.setCursor(5, 10);
panner.setContent('a', content, [], 0);
assertEqualsJSON({start: 5, end: 10}, panner.getCursor());
assertEqualsJSON({start: 5, end: 11}, panner.wrappedCursor_);
panner.setCursor(9, 9);
panner.setContent('a', content, [], 0);
assertEqualsJSON({start: 9, end: 9}, panner.getCursor());
assertEqualsJSON({start: 10, end: 11}, panner.wrappedCursor_);
});
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