1 | // Copyright 2013 The Flutter Authors. All rights reserved. |
2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. |
4 | |
5 | #include "flutter/flow/embedded_views.h" |
6 | #include "flutter/fml/logging.h" |
7 | #include "gtest/gtest.h" |
8 | |
9 | namespace flutter { |
10 | namespace testing { |
11 | |
12 | TEST(EmbeddedViewParams, GetBoundingRectAfterMutationsWithNoMutations) { |
13 | MutatorsStack stack; |
14 | SkMatrix matrix; |
15 | |
16 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
17 | const SkRect& rect = params.finalBoundingRect(); |
18 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), 0)); |
19 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 0)); |
20 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), 1)); |
21 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), 1)); |
22 | } |
23 | |
24 | TEST(EmbeddedViewParams, GetBoundingRectAfterMutationsWithScale) { |
25 | MutatorsStack stack; |
26 | SkMatrix matrix = SkMatrix::Scale(2, 2); |
27 | stack.PushTransform(matrix); |
28 | |
29 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
30 | const SkRect& rect = params.finalBoundingRect(); |
31 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), 0)); |
32 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 0)); |
33 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), 2)); |
34 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), 2)); |
35 | } |
36 | |
37 | TEST(EmbeddedViewParams, GetBoundingRectAfterMutationsWithTranslate) { |
38 | MutatorsStack stack; |
39 | SkMatrix matrix = SkMatrix::MakeTrans(1, 1); |
40 | stack.PushTransform(matrix); |
41 | |
42 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
43 | const SkRect& rect = params.finalBoundingRect(); |
44 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), 1)); |
45 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 1)); |
46 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), 1)); |
47 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), 1)); |
48 | } |
49 | |
50 | TEST(EmbeddedViewParams, GetBoundingRectAfterMutationsWithRotation90) { |
51 | MutatorsStack stack; |
52 | SkMatrix matrix; |
53 | matrix.setRotate(90); |
54 | stack.PushTransform(matrix); |
55 | |
56 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
57 | const SkRect& rect = params.finalBoundingRect(); |
58 | |
59 | FML_DLOG(ERROR) << rect.x(); |
60 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), -1)); |
61 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 0)); |
62 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), 1)); |
63 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), 1)); |
64 | } |
65 | |
66 | TEST(EmbeddedViewParams, GetBoundingRectAfterMutationsWithRotation45) { |
67 | MutatorsStack stack; |
68 | SkMatrix matrix; |
69 | matrix.setRotate(45); |
70 | stack.PushTransform(matrix); |
71 | |
72 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
73 | const SkRect& rect = params.finalBoundingRect(); |
74 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), -sqrt(2) / 2)); |
75 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 0)); |
76 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), sqrt(2))); |
77 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), sqrt(2))); |
78 | } |
79 | |
80 | TEST(EmbeddedViewParams, |
81 | GetBoundingRectAfterMutationsWithTranslateScaleAndRotation) { |
82 | SkMatrix matrix = SkMatrix::MakeTrans(2, 2); |
83 | matrix.preScale(3, 3); |
84 | matrix.preRotate(90); |
85 | |
86 | MutatorsStack stack; |
87 | stack.PushTransform(matrix); |
88 | |
89 | EmbeddedViewParams params(matrix, SkSize::Make(1, 1), stack); |
90 | const SkRect& rect = params.finalBoundingRect(); |
91 | ASSERT_TRUE(SkScalarNearlyEqual(rect.x(), -1)); |
92 | ASSERT_TRUE(SkScalarNearlyEqual(rect.y(), 2)); |
93 | ASSERT_TRUE(SkScalarNearlyEqual(rect.width(), 3)); |
94 | ASSERT_TRUE(SkScalarNearlyEqual(rect.height(), 3)); |
95 | } |
96 | |
97 | } // namespace testing |
98 | } // namespace flutter |
99 | |