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| 1 | +import 'package:flutter/services.dart'; |
| 2 | +import 'package:flutter_test/flutter_test.dart'; |
| 3 | + |
| 4 | +import '../common/create_app.dart'; |
| 5 | + |
| 6 | +void main() { |
| 7 | + testWidgets( |
| 8 | + 'Backspace or delete at a folded block collapse point ' |
| 9 | + '=> Do nothing.', (wt) async { |
| 10 | + final examples = [ |
| 11 | + // |
| 12 | + const _Example( |
| 13 | + 'Backspace after newline after folded block', |
| 14 | + initialFullText: 'int main(){\n}\n', |
| 15 | + // \ |
| 16 | + initialSelection: TextSelection.collapsed(offset: 12), |
| 17 | + foldedBlocks: [0], |
| 18 | + finalVisibleText: 'int main(){\n', |
| 19 | + key: LogicalKeyboardKey.backspace, |
| 20 | + ), |
| 21 | + |
| 22 | + const _Example( |
| 23 | + 'Delete at the collapsed position of a folded block', |
| 24 | + initialFullText: 'int main(){\n}\n', |
| 25 | + // \ |
| 26 | + initialSelection: TextSelection.collapsed(offset: 11), |
| 27 | + foldedBlocks: [0], |
| 28 | + finalVisibleText: 'int main(){\n', |
| 29 | + key: LogicalKeyboardKey.delete, |
| 30 | + ), |
| 31 | + ]; |
| 32 | + |
| 33 | + for (final example in examples) { |
| 34 | + final controller = await pumpController(wt, example.initialFullText); |
| 35 | + // ignore: prefer_foreach |
| 36 | + for (final foldingLineIndex in example.foldedBlocks) { |
| 37 | + controller.foldAt(foldingLineIndex); |
| 38 | + } |
| 39 | + |
| 40 | + controller.selection = example.initialSelection; |
| 41 | + await wt.sendKeyEvent(example.key); |
| 42 | + |
| 43 | + expect(controller.value.text, example.finalVisibleText); |
| 44 | + } |
| 45 | + }); |
| 46 | +} |
| 47 | + |
| 48 | +class _Example { |
| 49 | + final String name; |
| 50 | + final String initialFullText; |
| 51 | + final TextSelection initialSelection; |
| 52 | + final List<int> foldedBlocks; |
| 53 | + final String finalVisibleText; |
| 54 | + final LogicalKeyboardKey key; |
| 55 | + |
| 56 | + const _Example( |
| 57 | + this.name, { |
| 58 | + required this.initialFullText, |
| 59 | + required this.foldedBlocks, |
| 60 | + required this.finalVisibleText, |
| 61 | + required this.key, |
| 62 | + required this.initialSelection, |
| 63 | + }); |
| 64 | +} |
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