This is the mail archive of the mauve-patches@sourceware.org mailing list for the Mauve project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

FYI: TestJPEGHuffmanTable


Hi,

I committed this new test.

Tom

2006-03-10  Thomas Fitzsimmons  <fitzsim@redhat.com>                                                                                              
                                                                                                                                                  
        * gnu/testlet/javax/imageio/plugins/jpeg/TestJPEGHuffmanTable.java:                                                                       
        New test.

Index: gnu/testlet/javax/imageio/plugins/jpeg/TestJPEGHuffmanTable.java
===================================================================
RCS file: gnu/testlet/javax/imageio/plugins/jpeg/TestJPEGHuffmanTable.java
diff -N gnu/testlet/javax/imageio/plugins/jpeg/TestJPEGHuffmanTable.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/javax/imageio/plugins/jpeg/TestJPEGHuffmanTable.java	10 Mar 2006 05:57:36 -0000
@@ -0,0 +1,211 @@
+// Tags: JDK1.4
+
+// Copyright (C) 2006  Red Hat
+
+// This file is part of Mauve.
+
+// Mauve is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2, or (at your option)
+// any later version.
+
+// Mauve is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Mauve; see the file COPYING.  If not, write to
+// the Free Software Foundation, 59 Temple Place - Suite 330,
+// Boston, MA 02111-1307, USA.
+
+package gnu.testlet.javax.imageio.plugins.jpeg;
+
+import gnu.testlet.Testlet;
+import gnu.testlet.TestHarness;
+import gnu.testlet.java.awt.geom.Rectangle2D.Double.outcode;
+
+import javax.imageio.plugins.jpeg.JPEGHuffmanTable;
+import java.util.Arrays;
+
+import javax.imageio.spi.IIORegistry;
+
+/**
+ * Test JPEGHuffmanTable construction and static fields.
+ */
+public class TestJPEGHuffmanTable implements Testlet {
+	public void test(TestHarness h) {
+		JPEGHuffmanTable t = null;
+		boolean constructionFailed = false;
+
+		// Some valid data for construction testing.
+		short[] ACChrominanceLengths = { 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0,
+				1, 2, 0x77 };
+
+		short[] ACChrominanceValues = { 0x00, 0x01, 0x02, 0x03, 0x11, 0x04,
+				0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07, 0x61, 0x71,
+				0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xa1, 0xb1,
+				0xc1, 0x09, 0x23, 0x33, 0x52, 0xf0, 0x15, 0x62, 0x72, 0xd1,
+				0x0a, 0x16, 0x24, 0x34, 0xe1, 0x25, 0xf1, 0x17, 0x18, 0x19,
+				0x1a, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x35, 0x36, 0x37, 0x38,
+				0x39, 0x3a, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a,
+				0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64,
+				0x65, 0x66, 0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76,
+				0x77, 0x78, 0x79, 0x7a, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
+				0x88, 0x89, 0x8a, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98,
+				0x99, 0x9a, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9,
+				0xaa, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba,
+				0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2,
+				0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe2, 0xe3,
+				0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf2, 0xf3, 0xf4,
+				0xf5, 0xf6, 0xf7, 0xf8, 0xf9, 0xfa };
+
+		short[] ACLuminanceLengths = { 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0,
+				0, 1, 0x7d };
+
+		short[] ACLuminanceValues = { 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05,
+				0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51, 0x61, 0x07, 0x22,
+				0x71, 0x14, 0x32, 0x81, 0x91, 0xa1, 0x08, 0x23, 0x42, 0xb1,
+				0xc1, 0x15, 0x52, 0xd1, 0xf0, 0x24, 0x33, 0x62, 0x72, 0x82,
+				0x09, 0x0a, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x25, 0x26, 0x27,
+				0x28, 0x29, 0x2a, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a,
+				0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4a, 0x53, 0x54,
+				0x55, 0x56, 0x57, 0x58, 0x59, 0x5a, 0x63, 0x64, 0x65, 0x66,
+				0x67, 0x68, 0x69, 0x6a, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
+				0x79, 0x7a, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8a,
+				0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9a, 0xa2,
+				0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xb2, 0xb3,
+				0xb4, 0xb5, 0xb6, 0xb7, 0xb8, 0xb9, 0xba, 0xc2, 0xc3, 0xc4,
+				0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xd2, 0xd3, 0xd4, 0xd5,
+				0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5,
+				0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5,
+				0xf6, 0xf7, 0xf8, 0xf9, 0xfa };
+
+		short[] DCChrominanceLengths = { 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0,
+				0, 0, 0 };
+
+		short[] DCChrominanceValues = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
+
+		short[] DCLuminanceLengths = { 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
+				0, 0, 0 };
+
+		short[] DCLuminanceValues = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 };
+
+		// Test that it is impossible to construct an invalid Huffman table.
+		// Both arguments are null.
+		try {
+			t = new JPEGHuffmanTable(null, null);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// values argument is null.
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(ACLuminanceLengths, null);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// lengths argument is null.
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(null, ACLuminanceValues);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// lengths argument has length > 16.
+		short[] boguslengths = { 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1,
+				0x7d, 5 };
+
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(boguslengths, ACLuminanceValues);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// values argument has length > 256.
+		short[] bogusvalues = new short[257];
+		System.arraycopy(ACLuminanceValues, 0, bogusvalues, 0, 128);
+		System.arraycopy(ACLuminanceValues, 0, bogusvalues, 128, 128);
+		bogusvalues[256] = 0x4a;
+
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(ACLuminanceLengths, bogusvalues);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// check bogus length value
+		ACLuminanceLengths[3] = 16;
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(ACLuminanceLengths, ACLuminanceValues);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+		// restore original value
+		ACLuminanceLengths[3] = 3;
+
+		// check bogus length total
+		ACLuminanceLengths[9] = 6;
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(ACLuminanceLengths, ACLuminanceValues);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+		// restore original value
+		ACLuminanceLengths[9] = 5;
+
+		// check bogus number of values
+		short[] valueslessone = new short[ACLuminanceValues.length - 1];
+		System.arraycopy(ACLuminanceValues, 0, valueslessone, 0,
+				ACLuminanceValues.length - 1);
+		constructionFailed = false;
+		try {
+			t = new JPEGHuffmanTable(ACLuminanceLengths, valueslessone);
+		} catch (IllegalArgumentException e) {
+			constructionFailed = true;
+		}
+		h.check(constructionFailed);
+
+		// check StdACChrominance
+		short[] lengths = JPEGHuffmanTable.StdACChrominance.getLengths();
+		h.check (Arrays.equals(lengths, ACChrominanceLengths));
+
+		short[] values = JPEGHuffmanTable.StdACChrominance.getValues();
+		h.check (Arrays.equals(values, ACChrominanceValues));
+
+		// check StdACLuminance
+		lengths = JPEGHuffmanTable.StdACLuminance.getLengths();
+		h.check(Arrays.equals(lengths, ACLuminanceLengths));
+
+		values = JPEGHuffmanTable.StdACLuminance.getValues();
+		h.check(Arrays.equals(values, ACLuminanceValues));
+
+		// check StdDCChrominance
+		lengths = JPEGHuffmanTable.StdDCChrominance.getLengths();
+		h.check (Arrays.equals(lengths, DCChrominanceLengths));
+
+		values = JPEGHuffmanTable.StdDCChrominance.getValues();
+		h.check (Arrays.equals(values, DCChrominanceValues));
+
+		// check StdDCLuminance
+		lengths = JPEGHuffmanTable.StdDCLuminance.getLengths();
+		h.check(Arrays.equals(lengths, DCLuminanceLengths));
+
+		values = JPEGHuffmanTable.StdDCLuminance.getValues();
+		h.check(Arrays.equals(values, DCLuminanceValues));
+	}
+}

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]