third_party/blink/renderer/modules/accessibility/ax_layout_object_test.cc - chromium/src - Git at Google

 // Copyright 2020 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_layout_object.h"

 #include "third_party/blink/renderer/core/dom/shadow_root.h"
 #include "third_party/blink/renderer/core/layout/list/layout_list_item.h"
 #include "third_party/blink/renderer/modules/accessibility/testing/accessibility_test.h"

 namespace blink {

 class AXLayoutObjectTest : public AccessibilityTest {
  protected:
   static LayoutObject* GetListMarker(const LayoutObject& list_item) {
     if (list_item.IsLayoutListItem()) {
       return To<LayoutListItem>(list_item).Marker();
     }
     NOTREACHED();
     return nullptr;
   }
 };

 TEST_F(AXLayoutObjectTest, IsNotEditableInsideListmarker) {
   SetBodyInnerHTML("<div contenteditable><li id=t>ab");
   // The layout tree is:
   //    LayoutNGBlockFlow {DIV} at (0,0) size 784x20
   //      LayoutListItem {LI} at (0,0) size 784x20
   //        LayoutInsideListMarker {::marker} at (-1,0) size 7x19
   //          LayoutText (anonymous) at (-1,0) size 7x19
   //            text run at (-1,0) width 7: "\x{2022} "
   //        LayoutText {#text} at (22,0) size 15x19
   //          text run at (22,0) width 15: "ab"
   LayoutObject& list_item = *GetElementById("t")->GetLayoutObject();
   LayoutObject& list_marker = *GetListMarker(list_item);

   const AXObject* ax_list_item = GetAXObject(&list_item);
   ASSERT_NE(nullptr, ax_list_item);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
   EXPECT_TRUE(ax_list_item->IsEditable());
   EXPECT_TRUE(ax_list_item->IsRichlyEditable());

   const AXObject* ax_list_marker = GetAXObject(&list_marker);
   ASSERT_NE(nullptr, ax_list_marker);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
   EXPECT_FALSE(ax_list_marker->IsEditable());
   EXPECT_FALSE(ax_list_marker->IsRichlyEditable());
 }

 TEST_F(AXLayoutObjectTest, IsNotEditableOutsideListmarker) {
   SetBodyInnerHTML("<ol contenteditable><li id=t>ab");
   // THe layout tree is:
   //    LayoutNGBlockFlow {OL} at (0,0) size 784x20
   //      LayoutListItem {LI} at (40,0) size 744x20
   //        LayoutOutsideListMarker {::marker} at (-16,0) size 16x20
   //          LayoutText (anonymous) at (0,0) size 16x19
   //            text run at (0,0) width 16: "1. "
   //        LayoutText {#text} at (0,0) size 15x19
   //          text run at (0,0) width 15: "ab"
   LayoutObject& list_item = *GetElementById("t")->GetLayoutObject();
   LayoutObject& list_marker = *GetListMarker(list_item);

   const AXObject* ax_list_item = GetAXObject(&list_item);
   ASSERT_NE(nullptr, ax_list_item);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
   EXPECT_TRUE(ax_list_item->IsEditable());
   EXPECT_TRUE(ax_list_item->IsRichlyEditable());

   const AXObject* ax_list_marker = GetAXObject(&list_marker);
   ASSERT_NE(nullptr, ax_list_marker);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
   EXPECT_FALSE(ax_list_marker->IsEditable());
   EXPECT_FALSE(ax_list_marker->IsRichlyEditable());
 }

 TEST_F(AXLayoutObjectTest, GetValueForControlWithTextTransform) {
   SetBodyInnerHTML(
       "<select id='t' style='text-transform:uppercase'>"
       "<option>abc</select>");
   const AXObject* ax_select = GetAXObjectByElementId("t");
   ASSERT_NE(nullptr, ax_select);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_select));
   EXPECT_EQ("ABC", ax_select->GetValueForControl());
 }

 TEST_F(AXLayoutObjectTest, GetValueForControlWithTextSecurity) {
   SetBodyInnerHTML(
       "<select id='t' style='-webkit-text-security:disc'>"
       "<option>abc</select>");
   const AXObject* ax_select = GetAXObjectByElementId("t");
   ASSERT_NE(nullptr, ax_select);
   EXPECT_TRUE(IsA<AXLayoutObject>(ax_select));
   // U+2022 -> \xE2\x80\xA2 in UTF-8
   EXPECT_EQ("\xE2\x80\xA2\xE2\x80\xA2\xE2\x80\xA2",
             ax_select->GetValueForControl().Utf8());
 }

 // Test AX hit test for user-agent shadow DOM, which should ignore the shadow
 // Node at the given point, and select the host Element instead.
 TEST_F(AXLayoutObjectTest, AccessibilityHitTest) {
   SetBodyInnerHTML(
       "<style>"
       "  .A{display:flex;flex:100%;margin-top:-37px;height:34px}"
       "  .B{display:flex;flex:1;flex-wrap:wrap}"
       "  .C{flex:100%;height:34px}"
       "</style>"
       "<div class='B'>"
       "<div class='C'></div>"
       "<input class='A' aria-label='Search' role='combobox'>"
       "</div>");
   const AXObject* ax_root = GetAXRootObject();
   ASSERT_NE(nullptr, ax_root);
   // (8, 5) initially hits the editable DIV inside <input>.
   const gfx::Point position(8, 5);
   AXObject* hit_test_result = ax_root->AccessibilityHitTest(position);
   EXPECT_NE(nullptr, hit_test_result);
   EXPECT_EQ(hit_test_result->RoleValue(),
             ax::mojom::Role::kTextFieldWithComboBox);
 }

 // Tests AX hit test for open / closed shadow DOM, which should select the
 // shadow Node under the given point (as opposed to taking the host Element,
 // which is the case for user-agent shadow DOM).
 TEST_F(AXLayoutObjectTest, AccessibilityHitTestShadowDOM) {
   auto run_test = [&](ShadowRootMode root_type) {
     SetBodyInnerHTML(
         "<style>"
         "#host_a{position:absolute;}"
         "</style>"
         "<div id='host_a'>"
         "</div>");
     auto* host_a = GetElementById("host_a");
     auto& shadow_a = host_a->AttachShadowRootForTesting(root_type);
     shadow_a.setInnerHTML(
         "<style>"
         "label {"
         "  display: inline-block;"
         "  height: 100px;"
         "  width: 100px;"
         "}"
         "input {"
         "  appearance: none;"
         "  height: 0;"
         "  width: 0;"
         "}"
         "</style>"
         "<label id='label1' role='radio'>"
         "  <input type='radio' name='radio-main'>"
         "</label>"
         "<label id='label2' role='radio'>"
         "  <input type='radio' name='radio-main'>"
         "</label>"
         "<label id='label3' role='radio'>"
         "  <input type='radio' name='radio-main'>"
         "</label>",
         ASSERT_NO_EXCEPTION);
     const AXObject* ax_root = GetAXRootObject();
     ASSERT_NE(nullptr, ax_root);
     // (50, 50) initially hits #label1.
     AXObject* hit_test_result = ax_root->AccessibilityHitTest({50, 50});
     EXPECT_EQ(hit_test_result->RoleValue(), ax::mojom::Role::kRadioButton);
   };

   run_test(ShadowRootMode::kOpen);
   run_test(ShadowRootMode::kClosed);
 }

 // https://crbug.com/1167596
 TEST_F(AXLayoutObjectTest, GetListStyleDecimalLeadingZeroAsCustomCounterStyle) {
   using ListStyle = ax::mojom::blink::ListStyle;

   SetBodyInnerHTML(R"HTML(
   <ul>
     <li id="target" style="list-style-type: decimal-leading-zero"></li>
   </ul>
   )HTML");

   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("target")->GetListStyle());
 }
 // https://crbug.com/1167596
 TEST_F(AXLayoutObjectTest, GetListStyleOverriddenDecimalLeadingZero) {
   using ListStyle = ax::mojom::blink::ListStyle;

   SetBodyInnerHTML(R"HTML(
   <style>
   @counter-style decimal-leading-zero { system: extends upper-roman; }
   </style>
   <ul>
     <li id="target" style="list-style-type: decimal-leading-zero"></li>
   </ul>
   )HTML");

   ListStyle expected =
       RuntimeEnabledFeatures::CSSAtRuleCounterStyleSpeakAsDescriptorEnabled()
           ? ListStyle::kNumeric
           : ListStyle::kOther;
   EXPECT_EQ(expected, GetAXObjectByElementId("target")->GetListStyle());
 }

 TEST_F(AXLayoutObjectTest, GetPredefinedListStyleWithSpeakAs) {
   ScopedCSSAtRuleCounterStyleSpeakAsDescriptorForTest enabled(true);

   using ListStyle = ax::mojom::blink::ListStyle;

   SetBodyInnerHTML(R"HTML(
   <ul>
     <li id="none" style="list-style-type: none"></li>

     <li id="string" style="list-style-type: '-'"></li>

     <li id="disc" style="list-style-type: disc"></li>
     <li id="circle" style="list-style-type: circle"></li>
     <li id="square" style="list-style-type: square"></li>

     <li id="disclosure-open" style="list-style-type: disclosure-open"></li>
     <li id="disclosure-closed" style="list-style-type: disclosure-closed"></li>

     <li id="decimal" style="list-style-type: decimal"></li>
     <li id="decimal-zero" style="list-style-type: decimal-leading-zero"></li>
     <li id="roman" style="list-style-type: lower-roman"></li>
     <li id="armenian" style="list-style-type: lower-armenian"></li>
     <li id="persian" style="list-style-type: persian"></li>
     <li id="chinese" style="list-style-type: simp-chinese-formal"></li>

     <li id="alpha" style="list-style-type: lower-alpha"></li>
   </ul>
   )HTML");

   EXPECT_EQ(ListStyle::kNone, GetAXObjectByElementId("none")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther,
             GetAXObjectByElementId("string")->GetListStyle());
   EXPECT_EQ(ListStyle::kDisc, GetAXObjectByElementId("disc")->GetListStyle());
   EXPECT_EQ(ListStyle::kCircle,
             GetAXObjectByElementId("circle")->GetListStyle());
   EXPECT_EQ(ListStyle::kSquare,
             GetAXObjectByElementId("square")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther,
             GetAXObjectByElementId("disclosure-open")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther,
             GetAXObjectByElementId("disclosure-closed")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("decimal")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("decimal-zero")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("roman")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("armenian")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("persian")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("chinese")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("alpha")->GetListStyle());
 }

 TEST_F(AXLayoutObjectTest, GetCustomListStyleWithSpeakAs) {
   ScopedCSSAtRuleCounterStyleSpeakAsDescriptorForTest enabled(true);

   using ListStyle = ax::mojom::blink::ListStyle;

   SetBodyInnerHTML(R"HTML(
   <style>
     @counter-style explicit-bullets {
       system: extends decimal;
       speak-as: bullets;
     }
     @counter-style explicit-numbers {
       system: extends disc;
       speak-as: numbers;
     }
     @counter-style explicit-words {
       system: extends decimal;
       speak-as: words;
     }
     @counter-style disc-reference {
       system: extends decimal;
       speak-as: disc;
     }
     @counter-style decimal-reference {
       system: extends disc;
       speak-as: decimal;
     }
     @counter-style alpha-reference {
       system: extends decimal;
       speak-as: lower-alpha;
     }
   </style>
   <ul>
     <li id="bullets" style="list-style-type: explicit-bullets"></li>
     <li id="numbers" style="list-style-type: explicit-numbers"></li>
     <li id="words" style="list-style-type: explicit-words"></li>
     <li id="disc" style="list-style-type: disc-reference"></li>
     <li id="decimal" style="list-style-type: decimal-reference"></li>
     <li id="alpha" style="list-style-type: alpha-reference"></li>
   </ul>
   )HTML");

   EXPECT_EQ(ListStyle::kDisc,
             GetAXObjectByElementId("bullets")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("numbers")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("words")->GetListStyle());
   EXPECT_EQ(ListStyle::kDisc, GetAXObjectByElementId("disc")->GetListStyle());
   EXPECT_EQ(ListStyle::kNumeric,
             GetAXObjectByElementId("decimal")->GetListStyle());
   EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("alpha")->GetListStyle());
 }

 }  // namespace blink
	// Copyright 2020 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_layout_object.h"

	#include "third_party/blink/renderer/core/dom/shadow_root.h"
	#include "third_party/blink/renderer/core/layout/list/layout_list_item.h"
	#include "third_party/blink/renderer/modules/accessibility/testing/accessibility_test.h"

	namespace blink {

	class AXLayoutObjectTest : public AccessibilityTest {
	protected:
	static LayoutObject* GetListMarker(const LayoutObject& list_item) {
	if (list_item.IsLayoutListItem()) {
	return To<LayoutListItem>(list_item).Marker();
	}
	NOTREACHED();
	return nullptr;
	}
	};

	TEST_F(AXLayoutObjectTest, IsNotEditableInsideListmarker) {
	SetBodyInnerHTML("<div contenteditable><li id=t>ab");
	// The layout tree is:
	// LayoutNGBlockFlow {DIV} at (0,0) size 784x20
	// LayoutListItem {LI} at (0,0) size 784x20
	// LayoutInsideListMarker {::marker} at (-1,0) size 7x19
	// LayoutText (anonymous) at (-1,0) size 7x19
	// text run at (-1,0) width 7: "\x{2022} "
	// LayoutText {#text} at (22,0) size 15x19
	// text run at (22,0) width 15: "ab"
	LayoutObject& list_item = *GetElementById("t")->GetLayoutObject();
	LayoutObject& list_marker = *GetListMarker(list_item);

	const AXObject* ax_list_item = GetAXObject(&list_item);
	ASSERT_NE(nullptr, ax_list_item);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
	EXPECT_TRUE(ax_list_item->IsEditable());
	EXPECT_TRUE(ax_list_item->IsRichlyEditable());

	const AXObject* ax_list_marker = GetAXObject(&list_marker);
	ASSERT_NE(nullptr, ax_list_marker);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
	EXPECT_FALSE(ax_list_marker->IsEditable());
	EXPECT_FALSE(ax_list_marker->IsRichlyEditable());
	}

	TEST_F(AXLayoutObjectTest, IsNotEditableOutsideListmarker) {
	SetBodyInnerHTML("<ol contenteditable><li id=t>ab");
	// THe layout tree is:
	// LayoutNGBlockFlow {OL} at (0,0) size 784x20
	// LayoutListItem {LI} at (40,0) size 744x20
	// LayoutOutsideListMarker {::marker} at (-16,0) size 16x20
	// LayoutText (anonymous) at (0,0) size 16x19
	// text run at (0,0) width 16: "1. "
	// LayoutText {#text} at (0,0) size 15x19
	// text run at (0,0) width 15: "ab"
	LayoutObject& list_item = *GetElementById("t")->GetLayoutObject();
	LayoutObject& list_marker = *GetListMarker(list_item);

	const AXObject* ax_list_item = GetAXObject(&list_item);
	ASSERT_NE(nullptr, ax_list_item);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
	EXPECT_TRUE(ax_list_item->IsEditable());
	EXPECT_TRUE(ax_list_item->IsRichlyEditable());

	const AXObject* ax_list_marker = GetAXObject(&list_marker);
	ASSERT_NE(nullptr, ax_list_marker);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_list_item));
	EXPECT_FALSE(ax_list_marker->IsEditable());
	EXPECT_FALSE(ax_list_marker->IsRichlyEditable());
	}

	TEST_F(AXLayoutObjectTest, GetValueForControlWithTextTransform) {
	SetBodyInnerHTML(
	"<select id='t' style='text-transform:uppercase'>"
	"<option>abc</select>");
	const AXObject* ax_select = GetAXObjectByElementId("t");
	ASSERT_NE(nullptr, ax_select);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_select));
	EXPECT_EQ("ABC", ax_select->GetValueForControl());
	}

	TEST_F(AXLayoutObjectTest, GetValueForControlWithTextSecurity) {
	SetBodyInnerHTML(
	"<select id='t' style='-webkit-text-security:disc'>"
	"<option>abc</select>");
	const AXObject* ax_select = GetAXObjectByElementId("t");
	ASSERT_NE(nullptr, ax_select);
	EXPECT_TRUE(IsA<AXLayoutObject>(ax_select));
	// U+2022 -> \xE2\x80\xA2 in UTF-8
	EXPECT_EQ("\xE2\x80\xA2\xE2\x80\xA2\xE2\x80\xA2",
	ax_select->GetValueForControl().Utf8());
	}

	// Test AX hit test for user-agent shadow DOM, which should ignore the shadow
	// Node at the given point, and select the host Element instead.
	TEST_F(AXLayoutObjectTest, AccessibilityHitTest) {
	SetBodyInnerHTML(
	"<style>"
	" .A{display:flex;flex:100%;margin-top:-37px;height:34px}"
	" .B{display:flex;flex:1;flex-wrap:wrap}"
	" .C{flex:100%;height:34px}"
	"</style>"
	"<div class='B'>"
	"<div class='C'></div>"
	"<input class='A' aria-label='Search' role='combobox'>"
	"</div>");
	const AXObject* ax_root = GetAXRootObject();
	ASSERT_NE(nullptr, ax_root);
	// (8, 5) initially hits the editable DIV inside <input>.
	const gfx::Point position(8, 5);
	AXObject* hit_test_result = ax_root->AccessibilityHitTest(position);
	EXPECT_NE(nullptr, hit_test_result);
	EXPECT_EQ(hit_test_result->RoleValue(),
	ax::mojom::Role::kTextFieldWithComboBox);
	}

	// Tests AX hit test for open / closed shadow DOM, which should select the
	// shadow Node under the given point (as opposed to taking the host Element,
	// which is the case for user-agent shadow DOM).
	TEST_F(AXLayoutObjectTest, AccessibilityHitTestShadowDOM) {
	auto run_test = [&](ShadowRootMode root_type) {
	SetBodyInnerHTML(
	"<style>"
	"#host_a{position:absolute;}"
	"</style>"
	"<div id='host_a'>"
	"</div>");
	auto* host_a = GetElementById("host_a");
	auto& shadow_a = host_a->AttachShadowRootForTesting(root_type);
	shadow_a.setInnerHTML(
	"<style>"
	"label {"
	" display: inline-block;"
	" height: 100px;"
	" width: 100px;"
	"}"
	"input {"
	" appearance: none;"
	" height: 0;"
	" width: 0;"
	"}"
	"</style>"
	"<label id='label1' role='radio'>"
	" <input type='radio' name='radio-main'>"
	"</label>"
	"<label id='label2' role='radio'>"
	" <input type='radio' name='radio-main'>"
	"</label>"
	"<label id='label3' role='radio'>"
	" <input type='radio' name='radio-main'>"
	"</label>",
	ASSERT_NO_EXCEPTION);
	const AXObject* ax_root = GetAXRootObject();
	ASSERT_NE(nullptr, ax_root);
	// (50, 50) initially hits #label1.
	AXObject* hit_test_result = ax_root->AccessibilityHitTest({50, 50});
	EXPECT_EQ(hit_test_result->RoleValue(), ax::mojom::Role::kRadioButton);
	};

	run_test(ShadowRootMode::kOpen);
	run_test(ShadowRootMode::kClosed);
	}

	// https://crbug.com/1167596
	TEST_F(AXLayoutObjectTest, GetListStyleDecimalLeadingZeroAsCustomCounterStyle) {
	using ListStyle = ax::mojom::blink::ListStyle;

	SetBodyInnerHTML(R"HTML(
	<ul>
	<li id="target" style="list-style-type: decimal-leading-zero"></li>
	</ul>
	)HTML");

	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("target")->GetListStyle());
	}
	// https://crbug.com/1167596
	TEST_F(AXLayoutObjectTest, GetListStyleOverriddenDecimalLeadingZero) {
	using ListStyle = ax::mojom::blink::ListStyle;

	SetBodyInnerHTML(R"HTML(
	<style>
	@counter-style decimal-leading-zero { system: extends upper-roman; }
	</style>
	<ul>
	<li id="target" style="list-style-type: decimal-leading-zero"></li>
	</ul>
	)HTML");

	ListStyle expected =
	RuntimeEnabledFeatures::CSSAtRuleCounterStyleSpeakAsDescriptorEnabled()
	? ListStyle::kNumeric
	: ListStyle::kOther;
	EXPECT_EQ(expected, GetAXObjectByElementId("target")->GetListStyle());
	}

	TEST_F(AXLayoutObjectTest, GetPredefinedListStyleWithSpeakAs) {
	ScopedCSSAtRuleCounterStyleSpeakAsDescriptorForTest enabled(true);

	using ListStyle = ax::mojom::blink::ListStyle;

	SetBodyInnerHTML(R"HTML(
	<ul>
	<li id="none" style="list-style-type: none"></li>

	<li id="string" style="list-style-type: '-'"></li>

	<li id="disc" style="list-style-type: disc"></li>
	<li id="circle" style="list-style-type: circle"></li>
	<li id="square" style="list-style-type: square"></li>

	<li id="disclosure-open" style="list-style-type: disclosure-open"></li>
	<li id="disclosure-closed" style="list-style-type: disclosure-closed"></li>

	<li id="decimal" style="list-style-type: decimal"></li>
	<li id="decimal-zero" style="list-style-type: decimal-leading-zero"></li>
	<li id="roman" style="list-style-type: lower-roman"></li>
	<li id="armenian" style="list-style-type: lower-armenian"></li>
	<li id="persian" style="list-style-type: persian"></li>
	<li id="chinese" style="list-style-type: simp-chinese-formal"></li>

	<li id="alpha" style="list-style-type: lower-alpha"></li>
	</ul>
	)HTML");

	EXPECT_EQ(ListStyle::kNone, GetAXObjectByElementId("none")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther,
	GetAXObjectByElementId("string")->GetListStyle());
	EXPECT_EQ(ListStyle::kDisc, GetAXObjectByElementId("disc")->GetListStyle());
	EXPECT_EQ(ListStyle::kCircle,
	GetAXObjectByElementId("circle")->GetListStyle());
	EXPECT_EQ(ListStyle::kSquare,
	GetAXObjectByElementId("square")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther,
	GetAXObjectByElementId("disclosure-open")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther,
	GetAXObjectByElementId("disclosure-closed")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("decimal")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("decimal-zero")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("roman")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("armenian")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("persian")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("chinese")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("alpha")->GetListStyle());
	}

	TEST_F(AXLayoutObjectTest, GetCustomListStyleWithSpeakAs) {
	ScopedCSSAtRuleCounterStyleSpeakAsDescriptorForTest enabled(true);

	using ListStyle = ax::mojom::blink::ListStyle;

	SetBodyInnerHTML(R"HTML(
	<style>
	@counter-style explicit-bullets {
	system: extends decimal;
	speak-as: bullets;
	}
	@counter-style explicit-numbers {
	system: extends disc;
	speak-as: numbers;
	}
	@counter-style explicit-words {
	system: extends decimal;
	speak-as: words;
	}
	@counter-style disc-reference {
	system: extends decimal;
	speak-as: disc;
	}
	@counter-style decimal-reference {
	system: extends disc;
	speak-as: decimal;
	}
	@counter-style alpha-reference {
	system: extends decimal;
	speak-as: lower-alpha;
	}
	</style>
	<ul>
	<li id="bullets" style="list-style-type: explicit-bullets"></li>
	<li id="numbers" style="list-style-type: explicit-numbers"></li>
	<li id="words" style="list-style-type: explicit-words"></li>
	<li id="disc" style="list-style-type: disc-reference"></li>
	<li id="decimal" style="list-style-type: decimal-reference"></li>
	<li id="alpha" style="list-style-type: alpha-reference"></li>
	</ul>
	)HTML");

	EXPECT_EQ(ListStyle::kDisc,
	GetAXObjectByElementId("bullets")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("numbers")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("words")->GetListStyle());
	EXPECT_EQ(ListStyle::kDisc, GetAXObjectByElementId("disc")->GetListStyle());
	EXPECT_EQ(ListStyle::kNumeric,
	GetAXObjectByElementId("decimal")->GetListStyle());
	EXPECT_EQ(ListStyle::kOther, GetAXObjectByElementId("alpha")->GetListStyle());
	}

	} // namespace blink