- Added simple class for 2d vectors as an extension for coordinates to

  simplify calculations.

2 files changed, 166 insertions, 0 deletions

diff --git a/tests/suite.php b/tests/suite.php
index ce8a09c..6c75338 100644
--- a/tests/suite.php
+++ b/tests/suite.php
@@ -38,6 +38,7 @@ require_once 'driver_flash_test.php';
 require_once 'font_test.php';
 require_once 'palette_test.php';
 require_once 'matrix_test.php';
+require_once 'vector_test.php';
 require_once 'boundings_test.php';
 require_once 'polynom_test.php';
 require_once 'struct_test.php';
@@ -82,6 +83,7 @@ class ezcGraphSuite extends PHPUnit_Framework_TestSuite
         $this->addTest( ezcGraphTextTest::suite() );
         $this->addTest( ezcGraphPaletteTest::suite() );
         $this->addTest( ezcGraphMatrixTest::suite() );
+        $this->addTest( ezcGraphVectorTest::suite() );
         $this->addTest( ezcGraphBoundingsTest::suite() );
         $this->addTest( ezcGraphPolynomTest::suite() );
         $this->addTest( ezcGraphStructTest::suite() );
diff --git a/tests/vector_test.php b/tests/vector_test.php
new file mode 100644
index 0000000..a3cb429
--- /dev/null
+++ b/tests/vector_test.php
@@ -0,0 +1,164 @@
+<?php
+/**
+ * ezcGraphVectorTest 
+ * 
+ * @package Graph
+ * @version //autogen//
+ * @subpackage Tests
+ * @copyright Copyright (C) 2005-2007 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 ezcGraphVectorTest extends ezcTestCase
+{
+	public static function suite()
+	{
+		return new PHPUnit_Framework_TestSuite( "ezcGraphVectorTest" );
+	}
+
+    public function testCreateVector()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+
+        $this->assertEquals(
+            1,
+            $vector->x
+        );
+
+        $this->assertEquals(
+            2,
+            $vector->y
+        );
+    }
+
+    public function testCreateVectorFromCoordinate()
+    {
+        $vector = ezcGraphVector::fromCoordinate( new ezcGraphCoordinate( 1, 2 ) );
+
+        $this->assertEquals(
+            1,
+            $vector->x
+        );
+
+        $this->assertEquals(
+            2,
+            $vector->y
+        );
+    }
+
+    public function testVectorLength()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+
+        $this->assertEquals(
+            sqrt( 5 ),
+            $vector->length()
+        );
+    }
+
+    public function testUnifyVector()
+    {
+        $vector = new ezcGraphVector( 2, 0 );
+        $vector->unify();
+
+        $this->assertEquals(
+            1,
+            $vector->x
+        );
+
+        $this->assertEquals(
+            0,
+            $vector->y
+        );
+    }
+
+    public function testVectorMultiplyScalar()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $vector->scalar( 2 );
+
+        $this->assertEquals(
+            2,
+            $vector->x
+        );
+
+        $this->assertEquals(
+            4,
+            $vector->y
+        );
+    }
+
+    public function testVectorMultiplyCoordinate()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $result = $vector->mul( new ezcGraphCoordinate( 3, 2 ) );
+
+        $this->assertEquals(
+            $result,
+            7
+        );
+    }
+
+    public function testVectorMultiplyVector()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $result = $vector->mul( new ezcGraphVector( 3, 2 ) );
+
+        $this->assertEquals(
+            $result,
+            7
+        );
+    }
+
+    public function testVectorAddCoordinate()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $vector->add( new ezcGraphCoordinate( 3, 2 ) );
+
+        $this->assertEquals(
+            $vector,
+            new ezcGraphVector( 4, 4 )
+        );
+    }
+
+    public function testVectorAddVector()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $vector->add( new ezcGraphVector( 3, 2 ) );
+
+        $this->assertEquals(
+            $vector,
+            new ezcGraphVector( 4, 4 )
+        );
+    }
+
+    public function testVectorSubCoordinate()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $vector->sub( new ezcGraphCoordinate( 3, 2 ) );
+
+        $this->assertEquals(
+            $vector,
+            new ezcGraphVector( -2, 0 )
+        );
+    }
+
+    public function testVectorSubVector()
+    {
+        $vector = new ezcGraphVector( 1, 2 );
+        $vector->sub( new ezcGraphVector( 3, 2 ) );
+
+        $this->assertEquals(
+            $vector,
+            new ezcGraphVector( -2, 0 )
+        );
+    }
+}
+
+?>