ax_position_test.cc | Explore in Territory

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/modules/accessibility/ax_position.h"

#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/node.h"
#include "third_party/blink/renderer/core/editing/position.h"
#include "third_party/blink/renderer/core/editing/position_with_affinity.h"
#include "third_party/blink/renderer/core/editing/text_affinity.h"
#include "third_party/blink/renderer/core/html/html_element.h"
#include "third_party/blink/renderer/modules/accessibility/ax_object.h"
#include "third_party/blink/renderer/modules/accessibility/ax_object_cache_impl.h"
#include "third_party/blink/renderer/modules/accessibility/testing/accessibility_test.h"
#include "third_party/blink/renderer/platform/testing/runtime_enabled_features_test_helpers.h"

namespace blink {
namespace test {

namespace {

constexpr char kCSSBeforeAndAfter[] = …;

constexpr char kHTMLTable[] = …;

constexpr char kAOM[] = …;

constexpr char kMap[] = …;
}  // namespace

//
// Basic tests.
//

TEST_F(AccessibilityTest, PositionInText) { … }

// To prevent surprises when comparing equality of two |AXPosition|s, position
// before text object should be the same as position in text object at offset 0.
TEST_F(AccessibilityTest, PositionBeforeText) { … }

TEST_F(AccessibilityTest, PositionBeforeTextWithFirstLetterCSSRule) { … }

// To prevent surprises when comparing equality of two |AXPosition|s, position
// after text object should be the same as position in text object at offset
// text length.
TEST_F(AccessibilityTest, PositionAfterText) { … }

TEST_F(AccessibilityTest, PositionBeforeLineBreak) { … }

TEST_F(AccessibilityTest, PositionAfterLineBreak) { … }

TEST_F(AccessibilityTest, FirstPositionInDivContainer) { … }

TEST_F(AccessibilityTest, LastPositionInDivContainer) { … }

TEST_F(AccessibilityTest, FirstPositionInTextContainer) { … }

TEST_F(AccessibilityTest, LastPositionInTextContainer) { … }

//
// Test comparing two AXPosition objects based on their position in the
// accessibility tree.
//

TEST_F(AccessibilityTest, AXPositionComparisonOperators) { … }

TEST_F(AccessibilityTest, AXPositionOperatorBool) { … }

//
// Test converting to and from visible text with white space.
// The accessibility tree is based on visible text with white space compressed,
// vs. the DOM tree where white space is preserved.
//

TEST_F(AccessibilityTest, PositionInTextWithWhiteSpace) { … }

TEST_F(AccessibilityTest, PositionBeforeTextWithWhiteSpace) { … }

TEST_F(AccessibilityTest, PositionAfterTextWithWhiteSpace) { … }

TEST_F(AccessibilityTest, PositionBeforeLineBreakWithWhiteSpace) { … }

TEST_F(AccessibilityTest, PositionAfterLineBreakWithWhiteSpace) { … }

TEST_F(AccessibilityTest, FirstPositionInDivContainerWithWhiteSpace) { … }

TEST_F(AccessibilityTest, LastPositionInDivContainerWithWhiteSpace) { … }

TEST_F(AccessibilityTest, FirstPositionInTextContainerWithWhiteSpace) { … }

TEST_F(AccessibilityTest, LastPositionInTextContainerWithWhiteSpace) { … }

// Test that DOM positions in white space will be collapsed to the first or last
// valid offset in an |AXPosition|.
TEST_F(AccessibilityTest, AXPositionFromDOMPositionWithWhiteSpace) { … }

TEST_F(AccessibilityTest, AXPositionsWithPreservedLeadingWhitespace) { … }

TEST_F(AccessibilityTest, AXPositionsWithPreservedLeadingWhitespaceAndBreak) { … }

TEST_F(AccessibilityTest, AXPositionsInSVGTextWithXCoordinates) { … }

//
// Test affinity.
// We need to distinguish between the caret at the end of one line and the
// beginning of the next.
//

TEST_F(AccessibilityTest, PositionInTextWithAffinity) { … }

//
// Test converting to and from accessibility positions with offsets in HTML
// labels. HTML labels are ignored in the accessibility tree when associated
// with checkboxes and radio buttons.
//

TEST_F(AccessibilityTest, PositionInHTMLLabel) { … }

TEST_F(AccessibilityTest, PositionInHTMLLabelIgnored) { … }

//
// Objects with "display: none" or the "hidden" attribute are accessibility
// ignored.
//

TEST_F(AccessibilityTest, PositionInIgnoredObject) { … }

//
// Aria-hidden can cause things in the DOM to be hidden from accessibility.
//

TEST_F(AccessibilityTest, BeforePositionInARIAHiddenShouldNotSkipARIAHidden) { … }

TEST_F(AccessibilityTest,
       PreviousPositionAfterARIAHiddenShouldNotSkipARIAHidden) { … }

TEST_F(AccessibilityTest, FromPositionInARIAHidden) { … }

//
// Canvas fallback can cause things to be in the accessibility tree that are not
// in the layout tree.
//

TEST_F(AccessibilityTest, PositionInCanvas) { … }

//
// Some layout objects, e.g. list bullets and CSS::before/after content, appear
// in the accessibility tree but are not present in the DOM.
//

TEST_F(AccessibilityTest, PositionBeforeListMarker) { … }

TEST_F(AccessibilityTest, PositionAfterListMarker) { … }

// TODO(nektar) Fix test to work with ignored containers of pseudo content.
TEST_F(AccessibilityTest, DISABLED_PositionInCSSContent) { … }

// TODO(nektar) Fix test to work with ignored containers of pseudo content.
TEST_F(AccessibilityTest, DISABLED_PositionInCSSImageContent) { … }

// TODO(nektar) Fix test to work with ignored containers of pseudo content.
TEST_F(AccessibilityTest, DISABLED_PositionInTableWithCSSContent) { … }

//
// Objects deriving from |AXMockObject|, e.g. table columns, are in the
// accessibility tree but are neither in the DOM or layout trees.
// Same for virtual nodes created using the Accessibility Object Model (AOM).
//

TEST_F(AccessibilityTest, PositionBeforeAndAfterTable) { … }

TEST_F(AccessibilityTest, PositionAtStartAndEndOfTable) { … }

TEST_F(AccessibilityTest, PositionInTableHeader) { … }

TEST_F(AccessibilityTest, PositionInTableRow) { … }

TEST_F(AccessibilityTest, DISABLED_PositionInVirtualAOMNode) { … }

TEST_F(AccessibilityTest, PositionInInvalidMapLayout) { … }

TEST_F(AccessibilityTest, ToPositionWithAffinityWithMultipleInlineTextBoxes) { … }

}  // namespace test
}  // namespace blink
chromium/third_party/blink/renderer/modules/accessibility/ax_position_test.cc
