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Diffstat (limited to 'tests/matrix_test.php')
| -rw-r--r-- | tests/matrix_test.php | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/tests/matrix_test.php b/tests/matrix_test.php new file mode 100644 index 0000000..0afd631 --- /dev/null +++ b/tests/matrix_test.php @@ -0,0 +1,263 @@ +<?php +/** + * ezcGraphMatrixTest + * + * @package Graph + * @version //autogen// + * @subpackage Tests + * @copyright Copyright (C) 2005, 2006 eZ systems as. All rights reserved. + * @license http://ez.no/licenses/new_bsd New BSD License + */ + +/** + * Tests for ezcGraph class. + * + * @package ImageAnalysis + * @subpackage Tests + */ +class ezcGraphMatrixTest extends ezcTestCase +{ + + public static function suite() + { + return new ezcTestSuite( "ezcGraphMatrixTest" ); + } + + /** + * setUp + * + * @access public + */ + public function setUp() + { + } + + /** + * tearDown + * + * @access public + */ + public function tearDown() + { + } + + public function testCreateIdentityMatrix() + { + $matrix = new ezcGraphMatrix(); + + $this->assertEquals( + array( + array( 1, 0, 0 ), + array( 0, 1, 0 ), + array( 0, 0, 1 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testCreateCustomIdentityMatrix() + { + $matrix = new ezcGraphMatrix( 2, 4 ); + + $this->assertEquals( + array( + array( 1, 0, 0, 0 ), + array( 0, 1, 0, 0 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testCreateCustomMatrix() + { + $matrix = new ezcGraphMatrix( 2, 4, array( array( 1, 0, 5 ), array( 6, -1, -3, .5 ) ) ); + + $this->assertEquals( + array( + array( 1, 0, 5, 0 ), + array( 6, -1, -3, .5 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testGetMatrixValue() + { + $matrix = new ezcGraphMatrix( ); + + $this->assertEquals( + 1, + $matrix->get( 1, 1 ) + ); + } + + public function testSetMatrixValue() + { + $matrix = new ezcGraphMatrix( ); + + $matrix->set( 1, 2, .45 ); + + $this->assertEquals( + .45, + $matrix->get( 1, 2 ) + ); + } + + public function testSetInvalidMatrixValue() + { + $matrix = new ezcGraphMatrix( ); + + try + { + $matrix->set( 1, 32, .45 ); + } + catch ( ezcGraphMatrixOutOfBoundingsException $e ) + { + return true; + } + + $this->fail( 'Expected ezcGraphMatrixOutOfBoundingsException.' ); + } + + public function testGetInvalidMatrixValue() + { + $matrix = new ezcGraphMatrix( ); + + try + { + $matrix->get( 1, 32 ); + } + catch ( ezcGraphMatrixOutOfBoundingsException $e ) + { + return true; + } + + $this->fail( 'Expected ezcGraphMatrixOutOfBoundingsException.' ); + } + + public function testAddMatrices() + { + $matrix = new ezcGraphMatrix(); + $matrix->add( new ezcGraphMatrix() ); + + $this->assertEquals( + array( + array( 2, 0, 0 ), + array( 0, 2, 0 ), + array( 0, 0, 2 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testDiffMatrices() + { + $matrix = new ezcGraphMatrix(); + $matrix->diff( new ezcGraphMatrix() ); + + $this->assertEquals( + array( + array( 0, 0, 0 ), + array( 0, 0, 0 ), + array( 0, 0, 0 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testAddIncompatibleMatrices() + { + $matrix = new ezcGraphMatrix(); + + try + { + $matrix->add( new ezcGraphMatrix( 4, 4 ) ); + } + catch ( ezcGraphMatrixInvalidDimensionsException $e ) + { + return true; + } + + $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); + } + + public function testDiffIncompatibleMatrices() + { + $matrix = new ezcGraphMatrix(); + + try + { + $matrix->add( new ezcGraphMatrix( 4, 4 ) ); + } + catch ( ezcGraphMatrixInvalidDimensionsException $e ) + { + return true; + } + + $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); + } + + public function testScalarMultiplication() + { + $matrix = new ezcGraphMatrix(); + $matrix->scalar( -.5 ); + + $this->assertEquals( + array( + array( -.5, 0, 0 ), + array( 0, -.5, 0 ), + array( 0, 0, -.5 ), + ), + $this->getAttribute( $matrix, 'matrix' ) + ); + } + + public function testMatrixMultiplication() + { + $a = new ezcGraphMatrix( 2, 3, array( + array( 1, 2, 3 ), + array( 4, 5, 6 ), + ) ); + $b = new ezcGraphMatrix( 3, 2, array( + array( 6, -1 ), + array( 3, 2 ), + array( 0, -3 ), + ) ); + + $c = $a->multiply( $b ); + + $this->assertEquals( + array( + array( 12, -6 ), + array( 39, -12 ), + ), + $this->getAttribute( $c, 'matrix' ) + ); + } + + public function testMatrixMultiplication2() + { + $a = new ezcGraphMatrix( 2, 3, array( + array( 1, 2, 3 ), + array( 4, 5, 6 ), + ) ); + $b = new ezcGraphMatrix( 3, 3, array( + array( 6, -1 ), + array( 3, 2 ), + array( 0, -3 ), + ) ); + + try + { + $a->multiply( $b ); + } + catch( ezcGraphMatrixInvalidDimensionsException $e ) + { + return true; + } + + $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); + } +} + +?> |
