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|---|---|---|---|
| 1 | #include "Shape.hpp" | ||
| 2 | #include "compat/gsl14.hpp" | ||
| 3 | #include <gtest/gtest.h> | ||
| 4 | |||
| 5 | namespace { // anonymous namespace for definitions that are local to this file | ||
| 6 | |||
| 7 | 4 | void TestClone(const Shape& original) { | |
| 8 |
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4 | std::cout << gsl::czstring{__func__} << ": " << typeid(original).name() |
| 9 |
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4 | << std::endl; |
| 10 |
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4 | auto clone = original.clone(); |
| 11 |
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4 | EXPECT_NE(clone.get(), &original) << "distinct objects"; |
| 12 | |||
| 13 | // Necessary (but not sufficient) conditions for two shapes to be the same. | ||
| 14 |
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4 | EXPECT_DOUBLE_EQ(clone->area(), original.area()); |
| 15 |
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4 | EXPECT_DOUBLE_EQ( |
| 16 | 4 | clone->boundingCircle().area(), original.boundingCircle().area()); | |
| 17 |
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4 | EXPECT_DOUBLE_EQ( |
| 18 | 4 | clone->boundingBox().area(), original.boundingBox().area()); | |
| 19 | 8 | } | |
| 20 | |||
| 21 | // NOLINTBEGIN(*-avoid-magic-numbers) | ||
| 22 | |||
| 23 | 4 | void TestScale(const Shape& shape) { | |
| 24 |
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4 | auto area1 = shape.clone()->scaleTo(1.0).area(); |
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4 | auto area2 = shape.clone()->scaleTo(2.0).area(); |
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4 | auto area3 = shape.clone()->scaleTo(3.0).scaleBy(4.0).area(); |
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4 | EXPECT_DOUBLE_EQ(4.0 * area1, area2); |
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4 | EXPECT_DOUBLE_EQ(36.0 * area2, area3); |
| 29 | 4 | } | |
| 30 | |||
| 31 | // NOLINTEND(*-avoid-magic-numbers) | ||
| 32 | |||
| 33 | } // anonymous namespace | ||
| 34 | |||
| 35 | 8 | TEST(Shape, clone) { | |
| 36 |
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2 | TestClone(Rectangle(3, 4)); |
| 37 |
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2 | TestClone(Square(2)); |
| 38 |
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2 | TestClone(Ellipse(3, 4)); |
| 39 |
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2 | TestClone(Circle(2)); |
| 40 | 2 | } | |
| 41 | |||
| 42 | 8 | TEST(Shape, scale) { | |
| 43 |
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2 | TestScale(Rectangle(3, 4)); |
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2 | TestScale(Square(2)); |
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2 | TestScale(Ellipse(3, 4)); |
| 46 |
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2 | TestScale(Circle(2)); |
| 47 | 2 | } | |
| 48 |