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FYI: ImageInputStreamImpl test


Hi,

I committed this new test to Mauve.

Tom

2006-05-17 Thomas Fitzsimmons <fitzsim@redhat.com>

* gnu/testlet/javax/imageio/stream/MemoryCacheImageInputStream/TestImageInputStreamImpl.java:
New test.
Index: gnu/testlet/javax/imageio/stream/MemoryCacheImageInputStream/TestImageInputStreamImpl.java
===================================================================
RCS file: gnu/testlet/javax/imageio/stream/MemoryCacheImageInputStream/TestImageInputStreamImpl.java
diff -N gnu/testlet/javax/imageio/stream/MemoryCacheImageInputStream/TestImageInputStreamImpl.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ gnu/testlet/javax/imageio/stream/MemoryCacheImageInputStream/TestImageInputStreamImpl.java	18 May 2006 01:52:16 -0000
@@ -0,0 +1,188 @@
+// 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.stream.MemoryCacheImageInputStream;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.nio.ByteOrder;
+
+import javax.imageio.stream.ImageInputStream;
+import javax.imageio.stream.ImageInputStreamImpl;
+import javax.imageio.stream.MemoryCacheImageInputStream;
+
+import gnu.testlet.TestHarness;
+import gnu.testlet.Testlet;
+
+/**
+ * Test ImageInputStreamImpl's read methods reading from an in-memory
+ * source.
+ */
+public class TestImageInputStreamImpl
+  implements Testlet
+{
+
+  public void test(TestHarness h)
+  {
+    try
+      {
+        // Test unsigned values.
+        byte[] b = new byte[]
+          { 
+            (byte) 0x72,
+            (byte) 0x70,
+            (byte) 0x05,
+            (byte) 0x77,
+            (byte) 0xac,
+            (byte) 0xf2,
+            (byte) 0x3b,
+            (byte) 0x67
+          };
+
+        ByteArrayInputStream bs = new ByteArrayInputStream(b);
+        ImageInputStream i = new MemoryCacheImageInputStream(bs);
+
+        // Test ByteOrder.BIG_ENDIAN, the default.
+        h.check(i.read() == 114);
+        i.seek(0);
+        h.check(i.readBoolean() == true);
+        i.seek(0);
+        h.check(i.readByte() == 114);
+        i.seek(0);
+        h.check(i.readChar() == '\u7270');
+        i.seek(0);
+        h.check(Double.compare(i.readDouble(), 1.709290273164385E243) == 0);
+        i.seek(0);
+        h.check(Float.compare(i.readFloat(), 4.7541126E30f) == 0);
+        i.seek(0);
+        h.check(i.readInt() == 1919944055);
+        i.seek(0);
+        h.check(i.readLong() == 8246096929276181351L);
+        i.seek(0);
+        h.check(i.readShort() == 29296);
+        i.seek(0);
+        h.check(i.readUnsignedByte() == 114);
+        i.seek(0);
+        h.check(i.readUnsignedInt() == 1919944055);
+        i.seek(0);
+        h.check(i.readUnsignedShort() == 29296);
+
+        // Test ByteOrder.LITTLE_ENDIAN.
+        i.setByteOrder(ByteOrder.LITTLE_ENDIAN);
+        i.seek(0);
+        h.check(i.read() == 114);
+        i.seek(0);
+        h.check(i.readBoolean() == true);
+        i.seek(0);
+        h.check(i.readByte() == 114);
+        i.seek(0);
+        h.check(i.readChar() == '\u7072');
+        i.seek(0);
+        h.check(Double.compare(i.readDouble(), 1.9456609400629563E189) == 0);
+        i.seek(0);
+        h.check(Float.compare(i.readFloat(), 2.7064693E33f) == 0);
+        i.seek(0);
+        h.check(i.readInt() == 1996845170);
+        i.seek(0);
+        h.check(i.readLong() == 7438806032077647986L);
+        i.seek(0);
+        h.check(i.readShort() == 28786);
+        i.seek(0);
+        h.check(i.readUnsignedByte() == 114);
+        i.seek(0);
+        h.check(i.readUnsignedInt() == 1996845170);
+        i.seek(0);
+        h.check(i.readUnsignedShort() == 28786);
+
+        // Test unsigned values.
+        b = new byte[]
+          { 
+            (byte) 0x92,
+            (byte) 0x80,
+            (byte) 0x05,
+            (byte) 0x77,
+            (byte) 0xac,
+            (byte) 0xf2,
+            (byte) 0x8b,
+            (byte) 0xa7
+          };
+
+        bs = new ByteArrayInputStream(b);
+        i = new MemoryCacheImageInputStream(bs);
+
+        // Test ByteOrder.BIG_ENDIAN, the default.
+        h.check(i.read() == 146);
+        i.seek(0);
+        h.check(i.readBoolean() == true);
+        i.seek(0);
+        h.check(i.readByte() == -110);
+        i.seek(0);
+        h.check(i.readChar() == '\u9280');
+        i.seek(0);
+        h.check(Double.compare(i.readDouble(), -1.4183142849706364E-219) == 0);
+        i.seek(0);
+        h.check(Float.compare(i.readFloat(), -8.079283E-28f) == 0);
+        i.seek(0);
+        h.check(i.readInt() == -1837103753);
+        i.seek(0);
+        h.check(i.readLong() == -7890300535592285273L);
+        i.seek(0);
+        h.check(i.readShort() == -28032);
+        i.seek(0);
+        h.check(i.readUnsignedByte() == 146);
+        i.seek(0);
+        h.check(i.readUnsignedInt() == 2457863543L);
+        i.seek(0);
+        h.check(i.readUnsignedShort() == 37504);
+
+        // Test ByteOrder.LITTLE_ENDIAN.
+        i.setByteOrder(ByteOrder.LITTLE_ENDIAN);
+        i.seek(0);
+        h.check(i.read() == 146);
+        i.seek(0);
+        h.check(i.readBoolean() == true);
+        i.seek(0);
+        h.check(i.readByte() == -110);
+        i.seek(0);
+        h.check(i.readChar() == '\u8092');
+        i.seek(0);
+        h.check(Double.compare(i.readDouble(), -3.463391436203922E-118) == 0);
+        i.seek(0);
+        h.check(Float.compare(i.readFloat(), 2.707747E33f) == 0);
+        i.seek(0);
+        h.check(i.readInt() == 1996849298);
+        i.seek(0);
+        h.check(i.readLong() == -6373734025067659118L);
+        i.seek(0);
+        h.check(i.readShort() == -32622);
+        i.seek(0);
+        h.check(i.readUnsignedByte() == 146);
+        i.seek(0);
+        h.check(i.readUnsignedInt() == 1996849298);
+        i.seek(0);
+        h.check(i.readUnsignedShort() == 32914);
+      }
+    catch(IOException e)
+      {
+        throw new RuntimeException(e);
+      }
+  }
+}

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