| // Copyright 2014 The Flutter Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| import 'package:flutter/foundation.dart'; |
| import 'package:flutter/material.dart'; |
| import 'package:flutter/rendering.dart'; |
| import 'package:flutter/services.dart'; |
| import 'package:flutter_test/flutter_test.dart'; |
| |
| import '../rendering/mock_canvas.dart'; |
| import '../rendering/recording_canvas.dart'; |
| import 'rendering_tester.dart'; |
| |
| class FakeEditableTextState with TextSelectionDelegate { |
| @override |
| TextEditingValue textEditingValue = const TextEditingValue(); |
| |
| @override |
| void hideToolbar() { } |
| |
| @override |
| void bringIntoView(TextPosition position) { } |
| } |
| |
| void main() { |
| test('RenderEditable respects clipBehavior', () { |
| const BoxConstraints viewport = BoxConstraints(maxHeight: 100.0, maxWidth: 100.0); |
| final TestClipPaintingContext context = TestClipPaintingContext(); |
| |
| final String longString = 'a' * 10000; |
| |
| // By default, clipBehavior should be Clip.none |
| final RenderEditable defaultEditable = RenderEditable( |
| text: TextSpan(text: longString), |
| textDirection: TextDirection.ltr, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: FakeEditableTextState(), |
| selection: const TextSelection(baseOffset: 0, extentOffset: 0), |
| ); |
| layout(defaultEditable, constraints: viewport, phase: EnginePhase.composite, onErrors: expectOverflowedErrors); |
| defaultEditable.paint(context, Offset.zero); |
| expect(context.clipBehavior, equals(Clip.hardEdge)); |
| |
| context.clipBehavior = Clip.none; // Reset as Clip.none won't write into clipBehavior. |
| for (final Clip clip in Clip.values) { |
| final RenderEditable editable = RenderEditable( |
| text: TextSpan(text: longString), |
| textDirection: TextDirection.ltr, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: FakeEditableTextState(), |
| selection: const TextSelection(baseOffset: 0, extentOffset: 0), |
| clipBehavior: clip, |
| ); |
| layout(editable, constraints: viewport, phase: EnginePhase.composite, onErrors: expectOverflowedErrors); |
| editable.paint(context, Offset.zero); |
| expect(context.clipBehavior, equals(clip)); |
| } |
| }); |
| |
| test('editable intrinsics', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| text: const TextSpan( |
| style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'), |
| text: '12345', |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| locale: const Locale('ja', 'JP'), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| ); |
| expect(editable.getMinIntrinsicWidth(double.infinity), 50.0); |
| // The width includes the width of the cursor (1.0). |
| expect(editable.getMaxIntrinsicWidth(double.infinity), 51.0); |
| expect(editable.getMinIntrinsicHeight(double.infinity), 10.0); |
| expect(editable.getMaxIntrinsicHeight(double.infinity), 10.0); |
| |
| expect( |
| editable.toStringDeep(minLevel: DiagnosticLevel.info), |
| equalsIgnoringHashCodes( |
| 'RenderEditable#00000 NEEDS-LAYOUT NEEDS-PAINT DETACHED\n' |
| ' │ parentData: MISSING\n' |
| ' │ constraints: MISSING\n' |
| ' │ size: MISSING\n' |
| ' │ cursorColor: null\n' |
| ' │ showCursor: ValueNotifier<bool>#00000(false)\n' |
| ' │ maxLines: 1\n' |
| ' │ minLines: null\n' |
| ' │ selectionColor: null\n' |
| ' │ textScaleFactor: 1.0\n' |
| ' │ locale: ja_JP\n' |
| ' │ selection: null\n' |
| ' │ offset: _FixedViewportOffset#00000(offset: 0.0)\n' |
| ' ╘═╦══ text ═══\n' |
| ' ║ TextSpan:\n' |
| ' ║ inherit: true\n' |
| ' ║ family: Ahem\n' |
| ' ║ size: 10.0\n' |
| ' ║ height: 1.0x\n' |
| ' ║ "12345"\n' |
| ' ╚═══════════\n' |
| ), |
| ); |
| }); |
| |
| // Test that clipping will be used even when the text fits within the visible |
| // region if the start position of the text is offset (e.g. during scrolling |
| // animation). |
| test('correct clipping', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| text: const TextSpan( |
| style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'), |
| text: 'A', |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| locale: const Locale('en', 'US'), |
| offset: ViewportOffset.fixed(10.0), |
| textSelectionDelegate: delegate, |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0))); |
| expect( |
| (Canvas canvas) => editable.paint(TestRecordingPaintingContext(canvas), Offset.zero), |
| paints..clipRect(rect: const Rect.fromLTRB(0.0, 0.0, 1000.0, 10.0)), |
| ); |
| }); |
| |
| test('Can change cursor color, radius, visibility', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ValueNotifier<bool> showCursor = ValueNotifier<bool>(true); |
| EditableText.debugDeterministicCursor = true; |
| |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| textDirection: TextDirection.ltr, |
| cursorColor: const Color.fromARGB(0xFF, 0xFF, 0x00, 0x00), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan( |
| text: 'test', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| selection: const TextSelection.collapsed( |
| offset: 4, |
| affinity: TextAffinity.upstream, |
| ), |
| ); |
| |
| layout(editable); |
| |
| editable.layout(BoxConstraints.loose(const Size(100, 100))); |
| expect( |
| editable, |
| // Draw no cursor by default. |
| paintsExactlyCountTimes(#drawRect, 0), |
| ); |
| |
| editable.showCursor = showCursor; |
| pumpFrame(); |
| |
| expect(editable, paints..rect( |
| color: const Color.fromARGB(0xFF, 0xFF, 0x00, 0x00), |
| rect: const Rect.fromLTWH(40, 0, 1, 10), |
| )); |
| |
| // Now change to a rounded caret. |
| editable.cursorColor = const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF); |
| editable.cursorWidth = 4; |
| editable.cursorRadius = const Radius.circular(3); |
| pumpFrame(); |
| |
| expect(editable, paints..rrect( |
| color: const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF), |
| rrect: RRect.fromRectAndRadius( |
| const Rect.fromLTWH(40, 0, 4, 10), |
| const Radius.circular(3), |
| ), |
| )); |
| |
| editable.textScaleFactor = 2; |
| pumpFrame(); |
| |
| // Now the caret height is much bigger due to the bigger font scale. |
| expect(editable, paints..rrect( |
| color: const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF), |
| rrect: RRect.fromRectAndRadius( |
| const Rect.fromLTWH(80, 0, 4, 20), |
| const Radius.circular(3), |
| ), |
| )); |
| |
| // Can turn off caret. |
| showCursor.value = false; |
| pumpFrame(); |
| |
| expect(editable, paintsExactlyCountTimes(#drawRRect, 0)); |
| }); |
| |
| test('Can change textAlign', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| |
| final RenderEditable editable = RenderEditable( |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan(text: 'test'), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| |
| layout(editable); |
| |
| editable.layout(BoxConstraints.loose(const Size(100, 100))); |
| expect(editable.textAlign, TextAlign.start); |
| expect(editable.debugNeedsLayout, isFalse); |
| |
| editable.textAlign = TextAlign.center; |
| expect(editable.textAlign, TextAlign.center); |
| expect(editable.debugNeedsLayout, isTrue); |
| }); |
| |
| test('Cursor with ideographic script', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ValueNotifier<bool> showCursor = ValueNotifier<bool>(true); |
| EditableText.debugDeterministicCursor = true; |
| |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| textDirection: TextDirection.ltr, |
| cursorColor: const Color.fromARGB(0xFF, 0xFF, 0x00, 0x00), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan( |
| text: '中文测试文本是否正确', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| selection: const TextSelection.collapsed( |
| offset: 4, |
| affinity: TextAffinity.upstream, |
| ), |
| ); |
| |
| layout(editable); |
| |
| editable.layout(BoxConstraints.loose(const Size(100, 100))); |
| expect( |
| editable, |
| // Draw no cursor by default. |
| paintsExactlyCountTimes(#drawRect, 0), |
| ); |
| |
| editable.showCursor = showCursor; |
| pumpFrame(); |
| |
| expect(editable, paints..rect( |
| color: const Color.fromARGB(0xFF, 0xFF, 0x00, 0x00), |
| rect: const Rect.fromLTWH(40, 0, 1, 10), |
| )); |
| |
| // Now change to a rounded caret. |
| editable.cursorColor = const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF); |
| editable.cursorWidth = 4; |
| editable.cursorRadius = const Radius.circular(3); |
| pumpFrame(); |
| |
| expect(editable, paints..rrect( |
| color: const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF), |
| rrect: RRect.fromRectAndRadius( |
| const Rect.fromLTWH(40, 0, 4, 10), |
| const Radius.circular(3), |
| ), |
| )); |
| |
| editable.textScaleFactor = 2; |
| pumpFrame(); |
| |
| // Now the caret height is much bigger due to the bigger font scale. |
| expect(editable, paints..rrect( |
| color: const Color.fromARGB(0xFF, 0x00, 0x00, 0xFF), |
| rrect: RRect.fromRectAndRadius( |
| const Rect.fromLTWH(80, 0, 4, 20), |
| const Radius.circular(3), |
| ), |
| )); |
| |
| // Can turn off caret. |
| showCursor.value = false; |
| pumpFrame(); |
| |
| expect(editable, paintsExactlyCountTimes(#drawRRect, 0)); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61024 |
| |
| test('text is painted above selection', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan( |
| text: 'test', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| selection: const TextSelection( |
| baseOffset: 0, |
| extentOffset: 3, |
| affinity: TextAffinity.upstream, |
| ), |
| ); |
| |
| layout(editable); |
| |
| expect( |
| editable, |
| paints |
| // Check that it's the black selection box, not the red cursor. |
| ..rect(color: Colors.black) |
| ..paragraph(), |
| ); |
| |
| // There is exactly one rect paint (1 selection, 0 cursor). |
| expect(editable, paintsExactlyCountTimes(#drawRect, 1)); |
| }); |
| |
| test('cursor can paint above or below the text', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ValueNotifier<bool> showCursor = ValueNotifier<bool>(true); |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| paintCursorAboveText: true, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| showCursor: showCursor, |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan( |
| text: 'test', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| selection: const TextSelection.collapsed( |
| offset: 2, |
| affinity: TextAffinity.upstream, |
| ), |
| ); |
| |
| layout(editable); |
| |
| expect( |
| editable, |
| paints |
| ..paragraph() |
| // Red collapsed cursor is painted, not a selection box. |
| ..rect(color: Colors.red[500]), |
| ); |
| |
| // There is exactly one rect paint (0 selection, 1 cursor). |
| expect(editable, paintsExactlyCountTimes(#drawRect, 1)); |
| |
| editable.paintCursorAboveText = false; |
| pumpFrame(); |
| |
| expect( |
| editable, |
| // The paint order is now flipped. |
| paints |
| ..rect(color: Colors.red[500]) |
| ..paragraph(), |
| ); |
| expect(editable, paintsExactlyCountTimes(#drawRect, 1)); |
| }); |
| |
| test('ignore key event from web platform', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| // This makes the scroll axis vertical. |
| maxLines: 2, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: 'test\ntest', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 4, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| expect( |
| editable, |
| paints..paragraph(offset: Offset.zero), |
| ); |
| |
| editable.selectPositionAt(from: const Offset(0, 0), cause: SelectionChangedCause.tap); |
| editable.selection = const TextSelection.collapsed(offset: 0); |
| pumpFrame(); |
| |
| if(kIsWeb) { |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'web'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 0); |
| } else { |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 1); |
| } |
| }); |
| |
| test('selects correct place with offsets', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| // This makes the scroll axis vertical. |
| maxLines: 2, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: 'test\ntest', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 4, |
| ), |
| ); |
| |
| layout(editable); |
| |
| expect( |
| editable, |
| paints..paragraph(offset: Offset.zero), |
| ); |
| |
| editable.selectPositionAt(from: const Offset(0, 2), cause: SelectionChangedCause.tap); |
| pumpFrame(); |
| |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 0); |
| |
| viewportOffset.correctBy(10); |
| |
| pumpFrame(); |
| |
| expect( |
| editable, |
| paints..paragraph(offset: const Offset(0, -10)), |
| ); |
| |
| // Tap the same place. But because the offset is scrolled up, the second line |
| // gets tapped instead. |
| editable.selectPositionAt(from: const Offset(0, 2), cause: SelectionChangedCause.tap); |
| pumpFrame(); |
| |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 5); |
| |
| // Test the other selection methods. |
| // Move over by one character. |
| editable.handleTapDown(TapDownDetails(globalPosition: const Offset(10, 2))); |
| pumpFrame(); |
| editable.selectPosition(cause:SelectionChangedCause.tap); |
| pumpFrame(); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 6); |
| |
| editable.handleTapDown(TapDownDetails(globalPosition: const Offset(20, 2))); |
| pumpFrame(); |
| editable.selectWord(cause:SelectionChangedCause.longPress); |
| pumpFrame(); |
| expect(currentSelection.isCollapsed, false); |
| expect(currentSelection.baseOffset, 5); |
| expect(currentSelection.extentOffset, 9); |
| |
| // Select one more character down but since it's still part of the same |
| // word, the same word is selected. |
| editable.selectWordsInRange(from: const Offset(30, 2), cause:SelectionChangedCause.longPress); |
| pumpFrame(); |
| expect(currentSelection.isCollapsed, false); |
| expect(currentSelection.baseOffset, 5); |
| expect(currentSelection.extentOffset, 9); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61026 |
| |
| test('selects correct place when offsets are flipped', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| text: const TextSpan( |
| text: 'abc def ghi', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| |
| layout(editable); |
| |
| editable.selectPositionAt(from: const Offset(30, 2), to: const Offset(10, 2), cause: SelectionChangedCause.drag); |
| pumpFrame(); |
| |
| expect(currentSelection.isCollapsed, isFalse); |
| expect(currentSelection.baseOffset, 1); |
| expect(currentSelection.extentOffset, 3); |
| }); |
| |
| test('selection does not flicker as user is dragging', () { |
| int selectionChangedCount = 0; |
| TextSelection? updatedSelection; |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| const TextSpan text = TextSpan( |
| text: 'abc def ghi', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ); |
| |
| final RenderEditable editable1 = RenderEditable( |
| textSelectionDelegate: delegate, |
| textDirection: TextDirection.ltr, |
| offset: ViewportOffset.zero(), |
| selection: const TextSelection(baseOffset: 3, extentOffset: 4), |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| selectionChangedCount++; |
| updatedSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: text, |
| ); |
| |
| layout(editable1); |
| |
| // Shouldn't cause a selection change. |
| editable1.selectPositionAt(from: const Offset(30, 2), to: const Offset(42, 2), cause: SelectionChangedCause.drag); |
| pumpFrame(); |
| |
| expect(updatedSelection, isNull); |
| expect(selectionChangedCount, 0); |
| |
| final RenderEditable editable2 = RenderEditable( |
| textSelectionDelegate: delegate, |
| textDirection: TextDirection.ltr, |
| offset: ViewportOffset.zero(), |
| selection: const TextSelection(baseOffset: 3, extentOffset: 4), |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| selectionChangedCount++; |
| updatedSelection = selection; |
| }, |
| text: text, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| |
| layout(editable2); |
| |
| // Now this should cause a selection change. |
| editable2.selectPositionAt(from: const Offset(30, 2), to: const Offset(48, 2), cause: SelectionChangedCause.drag); |
| pumpFrame(); |
| |
| expect(updatedSelection!.baseOffset, 3); |
| expect(updatedSelection!.extentOffset, 5); |
| expect(selectionChangedCount, 1); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61028 |
| |
| test('promptRect disappears when promptRectColor is set to null', () { |
| const Color promptRectColor = Color(0x12345678); |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| text: const TextSpan( |
| style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'), |
| text: 'ABCDEFG', |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| locale: const Locale('en', 'US'), |
| offset: ViewportOffset.fixed(10.0), |
| textSelectionDelegate: delegate, |
| selection: const TextSelection.collapsed(offset: 0), |
| promptRectColor: promptRectColor, |
| promptRectRange: const TextRange(start: 0, end: 1), |
| ); |
| editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0))); |
| |
| expect( |
| (Canvas canvas) => editable.paint(TestRecordingPaintingContext(canvas), Offset.zero), |
| paints..rect(color: promptRectColor), |
| ); |
| |
| editable.promptRectColor = null; |
| |
| editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0))); |
| pumpFrame(); |
| |
| expect(editable.promptRectColor, promptRectColor); |
| expect( |
| (Canvas canvas) => editable.paint(TestRecordingPaintingContext(canvas), Offset.zero), |
| isNot(paints..rect(color: promptRectColor)), |
| ); |
| }); |
| |
| test('editable hasFocus correctly initialized', () { |
| // Regression test for https://github.com/flutter/flutter/issues/21640 |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| text: const TextSpan( |
| style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'), |
| text: '12345', |
| ), |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| locale: const Locale('en', 'US'), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| hasFocus: true, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| |
| expect(editable.hasFocus, true); |
| editable.hasFocus = false; |
| expect(editable.hasFocus, false); |
| }); |
| |
| test('has correct maxScrollExtent', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| EditableText.debugDeterministicCursor = true; |
| |
| final RenderEditable editable = RenderEditable( |
| maxLines: 2, |
| backgroundCursorColor: Colors.grey, |
| textDirection: TextDirection.ltr, |
| cursorColor: const Color.fromARGB(0xFF, 0xFF, 0x00, 0x00), |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| text: const TextSpan( |
| text: '撒地方加咖啡哈金凤凰卡号方式剪坏算法发挥福建垃\nasfjafjajfjaslfjaskjflasjfksajf撒分开建安路口附近拉设\n计费可使肌肤撒附近埃里克圾房卡设计费"', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Roboto', |
| ), |
| ), |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| selection: const TextSelection.collapsed( |
| offset: 4, |
| affinity: TextAffinity.upstream, |
| ), |
| ); |
| |
| editable.layout(BoxConstraints.loose(const Size(100.0, 1000.0))); |
| expect(editable.size, equals(const Size(100, 20))); |
| expect(editable.maxLines, equals(2)); |
| expect(editable.maxScrollExtent, equals(90)); |
| |
| editable.layout(BoxConstraints.loose(const Size(150.0, 1000.0))); |
| expect(editable.maxScrollExtent, equals(50)); |
| |
| editable.layout(BoxConstraints.loose(const Size(200.0, 1000.0))); |
| expect(editable.maxScrollExtent, equals(40)); |
| |
| editable.layout(BoxConstraints.loose(const Size(500.0, 1000.0))); |
| expect(editable.maxScrollExtent, equals(10)); |
| |
| editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0))); |
| expect(editable.maxScrollExtent, equals(10)); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/42772 |
| |
| test('arrow keys and delete handle simple text correctly', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: 'test', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| editable.selectPositionAt(from: const Offset(0, 0), cause: SelectionChangedCause.tap); |
| editable.selection = const TextSelection.collapsed(offset: 0); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 1); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 0); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| expect(delegate.textEditingValue.text, 'est'); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61021 |
| |
| test('arrow keys and delete handle surrogate pairs correctly', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: '0123😆6789', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| editable.selection = const TextSelection.collapsed(offset: 4); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 6); |
| editable.selection = currentSelection; |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 4); |
| editable.selection = currentSelection; |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| expect(delegate.textEditingValue.text, '01236789'); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61021 |
| |
| test('arrow keys and delete handle grapheme clusters correctly', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: '0123👨👩👦2345', |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| editable.selection = const TextSelection.collapsed(offset: 4); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 12); |
| editable.selection = currentSelection; |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 4); |
| editable.selection = currentSelection; |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| expect(delegate.textEditingValue.text, '01232345'); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61021 |
| |
| test('arrow keys and delete handle surrogate pairs correctly', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: '\u{1F44D}', // Thumbs up |
| style: TextStyle( |
| height: 1.0, fontSize: 10.0, fontFamily: 'Ahem', |
| ), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| editable.selectPositionAt(from: const Offset(0, 0), cause: SelectionChangedCause.tap); |
| editable.selection = const TextSelection.collapsed(offset: 0); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 2); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft, platform: 'android'); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 0); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| await simulateKeyUpEvent(LogicalKeyboardKey.delete, platform: 'android'); |
| expect(delegate.textEditingValue.text, ''); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/61021 |
| |
| test('arrow keys with selection text', () async { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final ViewportOffset viewportOffset = ViewportOffset.zero(); |
| late TextSelection currentSelection; |
| final RenderEditable editable = RenderEditable( |
| backgroundCursorColor: Colors.grey, |
| selectionColor: Colors.black, |
| textDirection: TextDirection.ltr, |
| cursorColor: Colors.red, |
| offset: viewportOffset, |
| textSelectionDelegate: delegate, |
| onSelectionChanged: (TextSelection selection, RenderEditable renderObject, SelectionChangedCause cause) { |
| currentSelection = selection; |
| }, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| text: const TextSpan( |
| text: '012345', // Thumbs up |
| style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'), |
| ), |
| selection: const TextSelection.collapsed( |
| offset: 0, |
| ), |
| ); |
| |
| layout(editable); |
| editable.hasFocus = true; |
| |
| editable.selection = const TextSelection(baseOffset: 2, extentOffset: 4); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 4); |
| |
| editable.selection = const TextSelection(baseOffset: 4, extentOffset: 2); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowRight); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowRight); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 4); |
| |
| editable.selection = const TextSelection(baseOffset: 2, extentOffset: 4); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 2); |
| |
| editable.selection = const TextSelection(baseOffset: 4, extentOffset: 2); |
| pumpFrame(); |
| |
| await simulateKeyDownEvent(LogicalKeyboardKey.arrowLeft); |
| await simulateKeyUpEvent(LogicalKeyboardKey.arrowLeft); |
| expect(currentSelection.isCollapsed, true); |
| expect(currentSelection.baseOffset, 2); |
| |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/58068 |
| |
| test('getEndpointsForSelection handles empty characters', () { |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| // This is a Unicode left-to-right mark character that will not render |
| // any glyphs. |
| text: const TextSpan(text: '\u200e'), |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| editable.layout(BoxConstraints.loose(const Size(100, 100))); |
| final List<TextSelectionPoint> endpoints = editable.getEndpointsForSelection( |
| const TextSelection(baseOffset: 0, extentOffset: 1)); |
| expect(endpoints[0].point.dx, 0); |
| }); |
| |
| group('nextCharacter', () { |
| test('handles normal strings correctly', () { |
| expect(RenderEditable.nextCharacter(0, '01234567'), 1); |
| expect(RenderEditable.nextCharacter(3, '01234567'), 4); |
| expect(RenderEditable.nextCharacter(7, '01234567'), 8); |
| expect(RenderEditable.nextCharacter(8, '01234567'), 8); |
| }); |
| |
| test('throws for invalid indices', () { |
| expect(() => RenderEditable.nextCharacter(-1, '01234567'), throwsAssertionError); |
| expect(() => RenderEditable.nextCharacter(9, '01234567'), throwsAssertionError); |
| }); |
| |
| test('skips spaces in normal strings when includeWhitespace is false', () { |
| expect(RenderEditable.nextCharacter(3, '0123 5678', false), 5); |
| expect(RenderEditable.nextCharacter(4, '0123 5678', false), 5); |
| expect(RenderEditable.nextCharacter(3, '0123 0123', false), 10); |
| expect(RenderEditable.nextCharacter(2, '0123 0123', false), 3); |
| expect(RenderEditable.nextCharacter(4, '0123 0123', false), 10); |
| expect(RenderEditable.nextCharacter(9, '0123 0123', false), 10); |
| expect(RenderEditable.nextCharacter(10, '0123 0123', false), 11); |
| // If the subsequent characters are all whitespace, it returns the length |
| // of the string. |
| expect(RenderEditable.nextCharacter(5, '0123 ', false), 10); |
| }); |
| |
| test('handles surrogate pairs correctly', () { |
| expect(RenderEditable.nextCharacter(3, '0123👨👩👦0123'), 4); |
| expect(RenderEditable.nextCharacter(4, '0123👨👩👦0123'), 6); |
| expect(RenderEditable.nextCharacter(5, '0123👨👩👦0123'), 6); |
| expect(RenderEditable.nextCharacter(6, '0123👨👩👦0123'), 8); |
| expect(RenderEditable.nextCharacter(7, '0123👨👩👦0123'), 8); |
| expect(RenderEditable.nextCharacter(8, '0123👨👩👦0123'), 10); |
| expect(RenderEditable.nextCharacter(9, '0123👨👩👦0123'), 10); |
| expect(RenderEditable.nextCharacter(10, '0123👨👩👦0123'), 11); |
| }); |
| |
| test('handles extended grapheme clusters correctly', () { |
| expect(RenderEditable.nextCharacter(3, '0123👨👩👦2345'), 4); |
| expect(RenderEditable.nextCharacter(4, '0123👨👩👦2345'), 12); |
| // Even when extent falls within an extended grapheme cluster, it still |
| // identifies the whole grapheme cluster. |
| expect(RenderEditable.nextCharacter(5, '0123👨👩👦2345'), 12); |
| expect(RenderEditable.nextCharacter(12, '0123👨👩👦2345'), 13); |
| }); |
| }); |
| |
| group('getRectForComposingRange', () { |
| const TextSpan emptyTextSpan = TextSpan(text: '\u200e'); |
| final TextSelectionDelegate delegate = FakeEditableTextState(); |
| final RenderEditable editable = RenderEditable( |
| maxLines: null, |
| textAlign: TextAlign.start, |
| textDirection: TextDirection.ltr, |
| offset: ViewportOffset.zero(), |
| textSelectionDelegate: delegate, |
| startHandleLayerLink: LayerLink(), |
| endHandleLayerLink: LayerLink(), |
| ); |
| |
| test('returns null when no composing range', () { |
| editable.text = const TextSpan(text: '123'); |
| editable.layout(const BoxConstraints.tightFor(width: 200)); |
| |
| // Invalid range. |
| expect(editable.getRectForComposingRange(const TextRange(start: -1, end: 2)), isNull); |
| // Collapsed range. |
| expect(editable.getRectForComposingRange(const TextRange.collapsed(2)), isNull); |
| |
| // Empty Editable. |
| editable.text = emptyTextSpan; |
| editable.layout(const BoxConstraints.tightFor(width: 200)); |
| |
| expect( |
| editable.getRectForComposingRange(const TextRange(start: 0, end: 1)), |
| // On web this evaluates to a zero-width Rect. |
| anyOf(isNull, (Rect rect) => rect.width == 0)); |
| }); |
| |
| test('more than 1 run on the same line', () { |
| const TextStyle tinyText = TextStyle(fontSize: 1, fontFamily: 'Ahem'); |
| const TextStyle normalText = TextStyle(fontSize: 10, fontFamily: 'Ahem'); |
| editable.text = TextSpan( |
| children: <TextSpan>[ |
| const TextSpan(text: 'A', style: tinyText), |
| TextSpan(text: 'A' * 20, style: normalText), |
| const TextSpan(text: 'A', style: tinyText) |
| ], |
| ); |
| // Give it a width that forces the editable to wrap. |
| editable.layout(const BoxConstraints.tightFor(width: 200)); |
| |
| final Rect composingRect = editable.getRectForComposingRange(const TextRange(start: 0, end: 20 + 2))!; |
| |
| // Since the range covers an entire line, the Rect should also be almost |
| // as wide as the entire paragraph (give or take 1 character). |
| expect(composingRect.width, greaterThan(200 - 10)); |
| }, skip: isBrowser); // https://github.com/flutter/flutter/issues/66089 |
| }); |
| |
| group('previousCharacter', () { |
| test('handles normal strings correctly', () { |
| expect(RenderEditable.previousCharacter(8, '01234567'), 7); |
| expect(RenderEditable.previousCharacter(0, '01234567'), 0); |
| expect(RenderEditable.previousCharacter(1, '01234567'), 0); |
| expect(RenderEditable.previousCharacter(5, '01234567'), 4); |
| expect(RenderEditable.previousCharacter(8, '01234567'), 7); |
| }); |
| |
| test('throws for invalid indices', () { |
| expect(() => RenderEditable.previousCharacter(-1, '01234567'), throwsAssertionError); |
| expect(() => RenderEditable.previousCharacter(9, '01234567'), throwsAssertionError); |
| }); |
| |
| test('skips spaces in normal strings when includeWhitespace is false', () { |
| expect(RenderEditable.previousCharacter(10, '0123 0123', false), 3); |
| expect(RenderEditable.previousCharacter(11, '0123 0123', false), 10); |
| expect(RenderEditable.previousCharacter(9, '0123 0123', false), 3); |
| expect(RenderEditable.previousCharacter(4, '0123 0123', false), 3); |
| expect(RenderEditable.previousCharacter(3, '0123 0123', false), 2); |
| // If the previous characters are all whitespace, it returns zero. |
| expect(RenderEditable.previousCharacter(3, ' 0123', false), 0); |
| }); |
| |
| test('handles surrogate pairs correctly', () { |
| expect(RenderEditable.previousCharacter(11, '0123👨👩👦0123'), 10); |
| expect(RenderEditable.previousCharacter(10, '0123👨👩👦0123'), 8); |
| expect(RenderEditable.previousCharacter(9, '0123👨👩👦0123'), 8); |
| expect(RenderEditable.previousCharacter(8, '0123👨👩👦0123'), 6); |
| expect(RenderEditable.previousCharacter(7, '0123👨👩👦0123'), 6); |
| expect(RenderEditable.previousCharacter(6, '0123👨👩👦0123'), 4); |
| expect(RenderEditable.previousCharacter(5, '0123👨👩👦0123'), 4); |
| expect(RenderEditable.previousCharacter(4, '0123👨👩👦0123'), 3); |
| expect(RenderEditable.previousCharacter(3, '0123👨👩👦0123'), 2); |
| }); |
| |
| test('handles extended grapheme clusters correctly', () { |
| expect(RenderEditable.previousCharacter(13, '0123👨👩👦2345'), 12); |
| // Even when extent falls within an extended grapheme cluster, it still |
| // identifies the whole grapheme cluster. |
| expect(RenderEditable.previousCharacter(12, '0123👨👩👦2345'), 4); |
| expect(RenderEditable.previousCharacter(11, '0123👨👩👦2345'), 4); |
| expect(RenderEditable.previousCharacter(5, '0123👨👩👦2345'), 4); |
| expect(RenderEditable.previousCharacter(4, '0123👨👩👦2345'), 3); |
| }); |
| }); |
| } |
