| <?php |
| /** |
| * ezcGraphMatrixTest |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| * @package Graph |
| * @version //autogen// |
| * @subpackage Tests |
| * @copyright Copyright (C) 2005-2010 eZ Systems AS. All rights reserved. |
| * @license http://www.apache.org/licenses/LICENSE-2.0 Apache License, Version 2.0 |
| */ |
| |
| /** |
| * Tests for ezcGraph class. |
| * |
| * @package Graph |
| * @subpackage Tests |
| */ |
| class ezcGraphMatrixTest extends ezcTestCase |
| { |
| public static function suite() |
| { |
| return new PHPUnit_Framework_TestSuite( "ezcGraphMatrixTest" ); |
| } |
| |
| public function testCreateIdentityMatrix() |
| { |
| $matrix = new ezcGraphMatrix(); |
| |
| $this->assertEquals( |
| array( |
| array( 1, 0, 0 ), |
| array( 0, 1, 0 ), |
| array( 0, 0, 1 ), |
| ), |
| $this->readAttribute( $matrix, 'matrix' ) |
| ); |
| } |
| |
| public function testCreateCustomIdentityMatrix() |
| { |
| $matrix = new ezcGraphMatrix( 2, 4 ); |
| |
| $this->assertEquals( |
| array( |
| array( 1, 0, 0, 0 ), |
| array( 0, 1, 0, 0 ), |
| ), |
| $this->readAttribute( $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->readAttribute( $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->readAttribute( $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->readAttribute( $matrix, 'matrix' ) |
| ); |
| } |
| |
| public function testDiffIncopatibleMatrices() |
| { |
| $matrix = new ezcGraphMatrix(); |
| |
| try |
| { |
| $matrix->diff( new ezcGraphMatrix( 2, 4 ) ); |
| } |
| catch ( ezcGraphMatrixInvalidDimensionsException $e ) |
| { |
| return true; |
| } |
| |
| $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); |
| } |
| |
| 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->readAttribute( $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->readAttribute( $c, 'matrix' ) |
| ); |
| } |
| |
| public function testMatrixMultiplicationInvalidDimensions() |
| { |
| $a = new ezcGraphMatrix( 3, 3, array( |
| array( 6, -1 ), |
| array( 3, 2 ), |
| array( 0, -3 ), |
| ) ); |
| $b = new ezcGraphMatrix( 2, 3, array( |
| array( 1, 2, 3 ), |
| array( 4, 5, 6 ), |
| ) ); |
| |
| try |
| { |
| $a->multiply( $b ); |
| } |
| catch ( ezcGraphMatrixInvalidDimensionsException $e ) |
| { |
| return true; |
| } |
| |
| $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); |
| } |
| |
| public function testMatrixMultiplicationInvalidDimensions2() |
| { |
| $a = new ezcGraphMatrix( 3, 2, array( |
| array( 6, -1 ), |
| array( 3, 2 ), |
| array( 0, -3 ), |
| ) ); |
| $b = new ezcGraphMatrix( 3, 3, array( |
| array( 1, 2, 3 ), |
| array( 4, 5, 6 ), |
| ) ); |
| |
| try |
| { |
| $a->multiply( $b ); |
| } |
| catch ( ezcGraphMatrixInvalidDimensionsException $e ) |
| { |
| return true; |
| } |
| |
| $this->fail( 'Expected ezcGraphMatrixInvalidDimensionsException.' ); |
| } |
| |
| public function testTransposeMatrix() |
| { |
| $matrix = new ezcGraphMatrix( 2, 3, array( |
| array( 1, 2, 3 ), |
| array( 4, 5, 6 ), |
| ) ); |
| $matrix->transpose(); |
| |
| $this->assertEquals( |
| array( |
| array( 1, 4 ), |
| array( 2, 5 ), |
| array( 3, 6 ), |
| ), |
| $this->readAttribute( $matrix, 'matrix' ) |
| ); |
| } |
| |
| public function testLRdecomposition() |
| { |
| $matrix = new ezcGraphMatrix( 3, 3, array( |
| array( 1, 2, 3 ), |
| array( 4, 5, 6 ), |
| array( 7, 8, 10 ), |
| ) ); |
| |
| $dec = $matrix->LRdecomposition(); |
| |
| $this->assertEquals( |
| array( |
| 'l' => new ezcGraphMatrix( 3, 3, array( |
| array( 1, 0, 0 ), |
| array( 4, 1, 0 ), |
| array( 7, 2, 1 ), |
| ) ), |
| 'r' => new ezcGraphMatrix( 3, 3, array( |
| array( 1, 2, 3 ), |
| array( 0, -3, -6 ), |
| array( 0, 0, 1 ), |
| ) ), |
| ), |
| $dec |
| ); |
| } |
| |
| public function testSolveNonlinearEquatation_52() |
| { |
| if ( version_compare( phpversion(), '5.2.0', '>' ) ) |
| { |
| $this->markTestSkipped( "This test is only for PHP prior 5.2.1. See PHP bug #40482." ); |
| } |
| |
| $a = new ezcGraphMatrix( 3, 3, array( |
| array( 5, 4, 7 ), |
| array( 2, 12, 8 ), |
| array( 3, 6, 10 ), |
| ) ); |
| $b = new ezcGraphMatrix( 3, 1, array( |
| array( 1, 2, 3 ), |
| ) ); |
| |
| $polynom = $a->solveNonlinearEquatation( $b ); |
| |
| $this->assertEquals( |
| '-1.2e-1 x^2 + 1.9e-2 x + 3.5e-1', |
| $polynom->__toString() |
| ); |
| } |
| |
| public function testSolveNonlinearEquatation() |
| { |
| if ( version_compare( phpversion(), '5.2.1', '<' ) ) |
| { |
| $this->markTestSkipped( "This test is only for PHP after 5.2.1. See PHP bug #40482." ); |
| } |
| |
| $a = new ezcGraphMatrix( 3, 3, array( |
| array( 5, 4, 7 ), |
| array( 2, 12, 8 ), |
| array( 3, 6, 10 ), |
| ) ); |
| $b = new ezcGraphMatrix( 3, 1, array( |
| array( 1, 2, 3 ), |
| ) ); |
| |
| $polynom = $a->solveNonlinearEquatation( $b ); |
| |
| $this->assertEquals( |
| '-1.15e-1 x^2 + 1.92e-2 x + 3.46e-1', |
| $polynom->__toString() |
| ); |
| } |
| |
| public function testMatrixToString() |
| { |
| if ( version_compare( phpversion(), '5.2', '<' ) ) |
| { |
| $this->markTestSkipped( "This test requires PHP 5.2 or later." ); |
| } |
| |
| $matrix = new ezcGraphMatrix(); |
| |
| $this->assertEquals( |
| '3 x 3 matrix: |
| | 1.00 0.00 0.00 | |
| | 0.00 1.00 0.00 | |
| | 0.00 0.00 1.00 | |
| ', |
| (string) $matrix, |
| 'Incorrect output for matrix.' |
| ); |
| } |
| } |
| |
| ?> |