X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=core%2Ftest%2Fnet%2Fsf%2Fopenrocket%2Futil%2FArrayUtilsTest.java;fp=core%2Ftest%2Fnet%2Fsf%2Fopenrocket%2Futil%2FArrayUtilsTest.java;h=ee8b5e960ce11a20828dd3786024d31cd6ed2d1b;hb=9349577cdfdff682b2aabd6daa24fdc3a7449b58;hp=0000000000000000000000000000000000000000;hpb=30ba0a882f0c061176ba14dbf86d3d6fad096c02;p=debian%2Fopenrocket

diff --git a/core/test/net/sf/openrocket/util/ArrayUtilsTest.java b/core/test/net/sf/openrocket/util/ArrayUtilsTest.java
new file mode 100644
index 00000000..ee8b5e96
--- /dev/null
+++ b/core/test/net/sf/openrocket/util/ArrayUtilsTest.java
@@ -0,0 +1,126 @@
+package net.sf.openrocket.util;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+
+import org.junit.Test;
+
+public class ArrayUtilsTest {
+
+	@Test(expected=NullPointerException.class)
+	public void testCopyOfRange_NullArg() {
+		ArrayUtils.copyOfRange( (Byte[]) null, 0 , 14);
+	}
+
+	@Test(expected=ArrayIndexOutOfBoundsException.class)
+	public void testCopyOfRange_StartTooBig() {
+		Integer[] original = new Integer[5];
+		ArrayUtils.copyOfRange( original, 8 , 14);
+	}
+
+	@Test(expected=ArrayIndexOutOfBoundsException.class)
+	public void testCopyOfRange_StartTooSmall() {
+		Integer[] original = new Integer[5];
+		ArrayUtils.copyOfRange( original, -1 , 14);
+	}
+
+	@Test(expected=IllegalArgumentException.class)
+	public void testCopyOfRange_IllegalRange() {
+		Integer[] original = new Integer[5];
+		ArrayUtils.copyOfRange( original, 5, 0 );
+	}
+
+	@Test
+	public void testCopyOfRange() {
+		Integer[] original = new Integer[5];
+		for ( int i =0; i < 5; i++ ) {
+			original[i] = i;
+		}
+		Integer[] copy = ArrayUtils.copyOfRange( original, 0, 0 );
+		assertEquals( 0, copy.length );
+
+		copy = ArrayUtils.copyOfRange( original, 2, 2 );
+		assertEquals( 0, copy.length );
+
+		copy = ArrayUtils.copyOfRange( original, 0, 2 );
+		assertEquals( 2, copy.length );
+		for( int i =0; i< 2; i++ ) {
+			assertEquals( original[i], copy[i] );
+		}
+
+		copy = ArrayUtils.copyOfRange( original, 2, 5 );
+		assertEquals( 3, copy.length );
+		for( int i =0; i< 3; i++ ) {
+			assertEquals( original[i+2], copy[i] );
+		}
+
+		copy = ArrayUtils.copyOfRange( original, 2, 15 );
+		assertEquals( 13, copy.length );
+		for( int i =0; i< 3; i++ ) {
+			assertEquals( original[i+2], copy[i] );
+		}
+		for ( int i=3; i< 13; i++ ) {
+			assertNull(copy[i]);
+		}
+
+	}
+
+	@Test
+	public void testCopyOfRange_ZeroSize() {
+		Integer[] original = new Integer[0];
+
+		Integer[] copy = ArrayUtils.copyOfRange( original, 0, 0 );
+		assertEquals( 0, copy.length );
+
+		copy = ArrayUtils.copyOfRange( original, 0, 2 );
+		assertEquals( 2, copy.length );
+		for( int i =0; i< 2; i++ ) {
+			assertEquals( null, copy[i] );
+		}
+
+	}
+
+	@Test
+	public void testRante0() {
+		double[] ary = ArrayUtils.range(0., 0., 1.0);
+		assertEquals(1, ary.length);
+		assertEquals( 0.0, ary[0], 0.0 );
+	}
+
+	@Test
+	public void testRange1() {
+		double[] ary = ArrayUtils.range(0.0, 0.5, 1.0);
+		assertEquals(1, ary.length);
+		assertEquals( 0.0, ary[0], 0.0 );
+	}
+
+	@Test
+	public void testRange2() {
+		double[] ary = ArrayUtils.range(0.0, 1.0, 0.5);
+		assertEquals(3, ary.length);
+		assertEquals( 0.0, ary[0], 0.0 );
+		assertEquals( 0.5, ary[1], 0.0 );
+		assertEquals( 1.0, ary[2], 0.0 );
+	}
+	
+	@Test
+	public void testRange3() {
+		double [] ary = ArrayUtils.range(0.0, 1.0, 0.4 );
+		assertEquals(3, ary.length);
+		assertEquals( 0.0, ary[0], 0.0 );
+		assertEquals( 0.4, ary[1], 0.0 );
+		assertEquals( 0.8, ary[2], 0.0 );
+	}
+
+	@Test
+	public void testRange4() {
+		double[] ary = ArrayUtils.range(0.0,10.0, 0.5);
+		assertEquals( 21, ary.length );
+		int i =0;
+		for( double d = 0.0; d < 10.2; d+=0.5){
+			assertEquals(d,ary[i++],0.0);
+		}
+		assertEquals( i, ary.length );
+	}
+	
+}