95 lines
3.2 KiB
Dart
95 lines
3.2 KiB
Dart
// Copyright 2017 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/rendering.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/services.dart';
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import '../rendering/mock_canvas.dart';
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import '../rendering/recording_canvas.dart';
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class FakeEditableTextState extends TextSelectionDelegate {
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@override
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TextEditingValue get textEditingValue { return const TextEditingValue(); }
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@override
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set textEditingValue(TextEditingValue value) {}
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@override
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void hideToolbar() {}
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@override
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void bringIntoView(TextPosition position) {}
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}
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void main() {
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test('editable intrinsics', () {
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final TextSelectionDelegate delegate = FakeEditableTextState();
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final RenderEditable editable = RenderEditable(
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text: const TextSpan(
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style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'),
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text: '12345',
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),
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textAlign: TextAlign.start,
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textDirection: TextDirection.ltr,
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locale: const Locale('ja', 'JP'),
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offset: ViewportOffset.zero(),
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textSelectionDelegate: delegate,
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);
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expect(editable.getMinIntrinsicWidth(double.infinity), 50.0);
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expect(editable.getMaxIntrinsicWidth(double.infinity), 50.0);
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expect(editable.getMinIntrinsicHeight(double.infinity), 10.0);
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expect(editable.getMaxIntrinsicHeight(double.infinity), 10.0);
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expect(
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editable.toStringDeep(minLevel: DiagnosticLevel.info),
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equalsIgnoringHashCodes(
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'RenderEditable#00000 NEEDS-LAYOUT NEEDS-PAINT DETACHED\n'
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' │ parentData: MISSING\n'
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' │ constraints: MISSING\n'
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' │ size: MISSING\n'
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' │ cursorColor: null\n'
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' │ showCursor: ValueNotifier<bool>#00000(false)\n'
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' │ maxLines: 1\n'
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' │ selectionColor: null\n'
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' │ textScaleFactor: 1.0\n'
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' │ locale: ja_JP\n'
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' │ selection: null\n'
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' │ offset: _FixedViewportOffset#00000(offset: 0.0)\n'
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' ╘═╦══ text ═══\n'
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' ║ TextSpan:\n'
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' ║ inherit: true\n'
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' ║ family: Ahem\n'
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' ║ size: 10.0\n'
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' ║ height: 1.0x\n'
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' ║ "12345"\n'
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' ╚═══════════\n'
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),
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);
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});
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// Test that clipping will be used even when the text fits within the visible
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// region if the start position of the text is offset (e.g. during scrolling
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// animation).
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test('correct clipping', () {
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final TextSelectionDelegate delegate = FakeEditableTextState();
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final RenderEditable editable = RenderEditable(
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text: const TextSpan(
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style: TextStyle(height: 1.0, fontSize: 10.0, fontFamily: 'Ahem'),
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text: 'A',
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),
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textAlign: TextAlign.start,
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textDirection: TextDirection.ltr,
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locale: const Locale('en', 'US'),
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offset: ViewportOffset.fixed(10.0),
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textSelectionDelegate: delegate,
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);
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editable.layout(BoxConstraints.loose(const Size(1000.0, 1000.0)));
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expect(
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(Canvas canvas) => editable.paint(TestRecordingPaintingContext(canvas), Offset.zero),
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paints..clipRect(rect: Rect.fromLTRB(0.0, 0.0, 1000.0, 10.0))
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);
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});
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}
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