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40 lines
1.7 KiB
Dart
40 lines
1.7 KiB
Dart
// Copyright 2013 The Flutter 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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// @dart = 2.6
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import 'dart:typed_data';
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import 'package:ui/src/engine.dart';
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import 'package:test/test.dart';
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final Float64List identityTransform = Matrix4.identity().storage;
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final Float64List xTranslation = (Matrix4.identity()..translate(10)).storage;
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final Float64List yTranslation = (Matrix4.identity()..translate(0, 10)).storage;
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final Float64List zTranslation = (Matrix4.identity()..translate(0, 0, 10)).storage;
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final Float64List scaleAndTranslate2d = (Matrix4.identity()..scale(2, 3, 1)..translate(4, 5, 0)).storage;
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final Float64List rotation2d = (Matrix4.identity()..rotateZ(0.2)).storage;
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void main() {
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test('transformKindOf and isIdentityFloat64ListTransform identify matrix kind', () {
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expect(transformKindOf(identityTransform), TransformKind.identity);
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expect(isIdentityFloat64ListTransform(identityTransform), isTrue);
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expect(transformKindOf(zTranslation), TransformKind.complex);
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expect(isIdentityFloat64ListTransform(zTranslation), isFalse);
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expect(transformKindOf(xTranslation), TransformKind.transform2d);
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expect(isIdentityFloat64ListTransform(xTranslation), isFalse);
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expect(transformKindOf(yTranslation), TransformKind.transform2d);
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expect(isIdentityFloat64ListTransform(yTranslation), isFalse);
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expect(transformKindOf(scaleAndTranslate2d), TransformKind.transform2d);
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expect(isIdentityFloat64ListTransform(scaleAndTranslate2d), isFalse);
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expect(transformKindOf(rotation2d), TransformKind.transform2d);
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expect(isIdentityFloat64ListTransform(rotation2d), isFalse);
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});
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}
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