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| 1 | +package mesh.creator.archimedian; |
| 2 | + |
| 3 | +import static org.junit.Assert.assertArrayEquals; |
| 4 | +import static org.junit.jupiter.api.Assertions.assertEquals; |
| 5 | + |
| 6 | +import org.junit.Test; |
| 7 | +import org.junit.jupiter.params.ParameterizedTest; |
| 8 | +import org.junit.jupiter.params.provider.ValueSource; |
| 9 | + |
| 10 | +public class ArchimedianSolidEnumTest { |
| 11 | + |
| 12 | + /** |
| 13 | + * Verifies that the `ArchimedianSolid` enum contains the expected number of |
| 14 | + * solids. This test ensures that all (and only) 13 known Archimedean solids |
| 15 | + * are represented. |
| 16 | + */ |
| 17 | + @Test |
| 18 | + public void verifiesExpectedNumberOfArchimedeanSolids() { |
| 19 | + assertEquals(13, ArchimedianSolid.values().length); |
| 20 | + } |
| 21 | + |
| 22 | + /** |
| 23 | + * This test verifies the correct order of Archimedean solids after the |
| 24 | + * removal of explicit indices from the enum. Maintaining the correct order |
| 25 | + * is crucial for algorithms that already rely on the sequential nature of |
| 26 | + * the enum values. |
| 27 | + */ |
| 28 | + @Test |
| 29 | + public void testArchimedeanSolidEnumOrder() { |
| 30 | + ArchimedianSolid[] expected = new ArchimedianSolid[] { |
| 31 | + ArchimedianSolid.ICOSIDODECAHEDRON, |
| 32 | + ArchimedianSolid.TRUNCATED_CUBOCTAHEDRON, |
| 33 | + ArchimedianSolid.TRUNCATED_ICOSIDODECAHEDRON, |
| 34 | + ArchimedianSolid.CUBOCTAHEDRON, |
| 35 | + ArchimedianSolid.RHOMBICUBOCTAHEDRON, |
| 36 | + ArchimedianSolid.SNUB_CUBE, |
| 37 | + ArchimedianSolid.RHOMBISOSIDODECAHEDRON, |
| 38 | + ArchimedianSolid.SNUB_DODECAHEDRON, |
| 39 | + ArchimedianSolid.TRUNCATED_TETRAHEDRON, |
| 40 | + ArchimedianSolid.TRUNCATED_OCTAHEDRON, |
| 41 | + ArchimedianSolid.TRUNCATED_CUBE, |
| 42 | + ArchimedianSolid.TRUNCATED_ICOSAHEDRON, |
| 43 | + ArchimedianSolid.TRUNCATED_DODECAHEDRON }; |
| 44 | + ArchimedianSolid[] actual = ArchimedianSolid.values(); |
| 45 | + assertArrayEquals(expected, actual); |
| 46 | + } |
| 47 | + |
| 48 | + /** |
| 49 | + * Tests the `valueOf` method of the `ArchimedianSolid` enum to ensure it |
| 50 | + * correctly parses string representations into enum values. |
| 51 | + * |
| 52 | + * <pre> |
| 53 | + * While it might seem redundant, especially for simple enums, it's a good |
| 54 | + * practice to test the valueOf method for several reasons: |
| 55 | + * |
| 56 | + * 1. Ensures Correct Parsing: |
| 57 | + * It verifies that the valueOf method can correctly parse string |
| 58 | + * representations of enum values into their corresponding enum constants. |
| 59 | + * |
| 60 | + * 2. Catches Potential Errors: It helps identify potential issues with the |
| 61 | + * valueOf implementation, such as case sensitivity, typos, or incorrect |
| 62 | + * mappings. |
| 63 | + * |
| 64 | + * 3. Maintains Code Quality: It contributes to a comprehensive test suite, |
| 65 | + * ensuring the correctness of the enum and its associated methods. |
| 66 | + * However, the specific need for this test might depend on the complexity |
| 67 | + * of the enum and the criticality of its correct behavior in the |
| 68 | + * application. |
| 69 | + * |
| 70 | + * If the enum is simple and its values are unlikely to change, |
| 71 | + * you might consider omitting such tests. |
| 72 | + * Ultimately, the decision to include such tests should be based on a risk |
| 73 | + * assessment and the overall quality standards of the project. |
| 74 | + * </pre> |
| 75 | + */ |
| 76 | + @ParameterizedTest |
| 77 | + @ValueSource(strings = { |
| 78 | + "ICOSIDODECAHEDRON", |
| 79 | + "TRUNCATED_CUBOCTAHEDRON", |
| 80 | + "TRUNCATED_ICOSIDODECAHEDRON", |
| 81 | + "CUBOCTAHEDRON", |
| 82 | + "RHOMBICUBOCTAHEDRON", |
| 83 | + "SNUB_CUBE", |
| 84 | + "RHOMBISOSIDODECAHEDRON", |
| 85 | + "SNUB_DODECAHEDRON", |
| 86 | + "TRUNCATED_TETRAHEDRON", |
| 87 | + "TRUNCATED_OCTAHEDRON", |
| 88 | + "TRUNCATED_CUBE", |
| 89 | + "TRUNCATED_ICOSAHEDRON", |
| 90 | + "TRUNCATED_DODECAHEDRON" |
| 91 | + }) |
| 92 | + public void testValueOfMethod(String solidName) { |
| 93 | + ArchimedianSolid expectedSolid = ArchimedianSolid.valueOf(solidName); |
| 94 | + assertEquals(expectedSolid, ArchimedianSolid.valueOf(solidName)); |
| 95 | + } |
| 96 | + |
| 97 | +} |
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