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* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "TestsAppDelegate.h"
static OFString *const module = @"OFMatrix4x4Tests";
@implementation TestsAppDelegate (OFMatrix4x4Tests)
- (void)matrix4x4Tests
void *pool = objc_autoreleasePoolPush();
OFMatrix4x4 *matrix, *matrix2;
OFVector4D point;
OFVector4D points[2] = {{ 1, 2, 3, 1 }, { 7, 8, 9, 2 }};
TEST(@"+[identityMatrix]",
memcmp([[OFMatrix4x4 identityMatrix] values], (const float [4][4]){
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
}, 16 * sizeof(float)) == 0)
TEST(@"+[matrixWithValues:]",
(matrix = [OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 1, 2, 3, 4 },
{ 5, 6, 7, 8 },
{ 9, 10, 11, 12 },
{ 13, 14, 15, 16 }
}]))
TEST(@"-[description]",
[matrix.description isEqual: @"<OFMatrix4x4: {\n"
@"\t1 2 3 4\n"
@"\t5 6 7 8\n"
@"\t9 10 11 12\n"
@"\t13 14 15 16\n"
@"}>"])
TEST(@"-[isEqual:]", [[OFMatrix4x4 identityMatrix] isEqual:
[OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
}]])
TEST(@"-[copy]", (matrix2 = [[matrix copy] autorelease]) &&
[matrix2 isEqual: matrix])
TEST(@"-[multiplyWithMatrix:] #1",
R([matrix2 multiplyWithMatrix: [OFMatrix4x4 identityMatrix]]) &&
[matrix2 isEqual: matrix])
matrix2 = [OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 100, 200, 300, 400 },
{ 500, 600, 700, 800 },
{ 900, 1000, 1100, 1200 },
{ 1300, 1400, 1500, 1600 }
}];
TEST(@"-[multiplyWithMatrix:] #2",
R([matrix2 multiplyWithMatrix: matrix]) &&
[matrix2 isEqual:
[OFMatrix4x4 matrixWithValues: (const float [4][4]){
}]])
TEST(@"-[translateWithVector:]",
(matrix2 = [OFMatrix4x4 identityMatrix]) &&
R([matrix2 translateWithVector: OFMakeVector3D(1, 2, 3)]) &&
R(point =
[matrix2 transformedVector: OFMakeVector4D(2, 3, 4, 1)]) &&
point.x == 3 && point.y == 5 && point.z == 7 && point.w == 1)
TEST(@"-[scaleWithVector:]",
R([matrix2 scaleWithVector: OFMakeVector3D(-1, 0.5f, 2)]) &&
R(point =
[matrix2 transformedVector: OFMakeVector4D(2, 3, 4, 1)]) &&
point.x == -3 && point.y == 2.5 && point.z == 14 && point.w == 1)
TEST(@"-[transformVectors:count:]",
R([matrix transformVectors: points count: 2]) &&
points[0].x == 18 && points[0].y == 46 && points[0].z == 74 &&
points[0].w == 102 && points[1].x == 58 && points[1].y == 162 &&
points[1].z == 266 && points[1].w == 370)
objc_autoreleasePoolPop(pool);
}
@end
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|
* Public License, either version 2 or 3, which can be found in the file
* LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this
* file.
*/
#include "config.h"
#import "ObjFW.h"
#import "ObjFWTest.h"
@interface OFMatrix4x4Tests: OTTestCase
{
OFMatrix4x4 *_matrix;
}
@end
@implementation OFMatrix4x4Tests
- (void)setUp
{
_matrix = [[OFMatrix4x4 alloc] initWithValues: (const float [4][4]){
{ 1, 2, 3, 4 },
{ 5, 6, 7, 8 },
{ 9, 10, 11, 12 },
{ 13, 14, 15, 16 }
}];
}
- (void)dealloc
{
[_matrix release];
[super dealloc];
}
- (void)testIdentityMatrix
{
OTAssertEqual(memcmp([[OFMatrix4x4 identityMatrix] values],
(const float [4][4]){
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
}, 16 * sizeof(float)),
0);
}
- (void)testDescription
{
OTAssertEqualObjects(_matrix.description,
@"<OFMatrix4x4: {\n"
@"\t1 2 3 4\n"
@"\t5 6 7 8\n"
@"\t9 10 11 12\n"
@"\t13 14 15 16\n"
@"}>");
}
- (void)testIsEqual
{
OTAssertEqualObjects([OFMatrix4x4 identityMatrix],
([OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
}]));
}
/* TODO: testHash */
- (void)testCopy
{
OTAssertEqualObjects(_matrix, [[_matrix copy] autorelease]);
}
- (void)testMultiplyWithMatrix
{
OFMatrix4x4 *matrix;
matrix = [[_matrix copy] autorelease];
[matrix multiplyWithMatrix: [OFMatrix4x4 identityMatrix]];
OTAssertEqualObjects(matrix, _matrix);
matrix = [OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 100, 200, 300, 400 },
{ 500, 600, 700, 800 },
{ 900, 1000, 1100, 1200 },
{ 1300, 1400, 1500, 1600 }
}];
[matrix multiplyWithMatrix: _matrix];
OTAssertEqualObjects(matrix,
([OFMatrix4x4 matrixWithValues: (const float [4][4]){
{ 9000, 10000, 11000, 12000 },
{ 20200, 22800, 25400, 28000 },
{ 31400, 35600, 39800, 44000 },
{ 42600, 48400, 54200, 60000 }
}]));
}
- (void)testTranslateWithVector
{
OFMatrix4x4 *matrix = [OFMatrix4x4 identityMatrix];
OFVector4D point;
[matrix translateWithVector: OFMakeVector3D(1, 2, 3)];
point = [matrix transformedVector: OFMakeVector4D(2, 3, 4, 1)];
OTAssertEqual(point.x, 3);
OTAssertEqual(point.y, 5);
OTAssertEqual(point.z, 7);
OTAssertEqual(point.w, 1);
}
- (void)testScaleWithVector
{
OFMatrix4x4 *matrix = [OFMatrix4x4 identityMatrix];
OFVector4D point;
[matrix translateWithVector: OFMakeVector3D(1, 2, 3)];
[matrix scaleWithVector: OFMakeVector3D(-1, 0.5f, 2)];
point = [matrix transformedVector: OFMakeVector4D(2, 3, 4, 1)];
OTAssertEqual(point.x, -3);
OTAssertEqual(point.y, 2.5);
OTAssertEqual(point.z, 14);
OTAssertEqual(point.w, 1);
}
- (void)testTransformVectorsCount
{
OFVector4D points[2] = {{ 1, 2, 3, 1 }, { 7, 8, 9, 2 }};
[_matrix transformVectors: points count: 2];
OTAssertEqual(points[0].x, 18);
OTAssertEqual(points[0].y, 46);
OTAssertEqual(points[0].z, 74);
OTAssertEqual(points[0].w, 102);
OTAssertEqual(points[1].x, 58);
OTAssertEqual(points[1].y, 162);
OTAssertEqual(points[1].z, 266);
OTAssertEqual(points[1].w, 370);
}
@end
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