complete move of all test cases into source tree

src/RGBLuminanceSourceTestCase.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2014 ZXing authors
+ *
+ * Licensed 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 com.google.zxing;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+/**
+ * Tests {@link RGBLuminanceSource}.
+ */
+public final class RGBLuminanceSourceTestCase extends Assert {
+
+  private static final RGBLuminanceSource SOURCE = new RGBLuminanceSource(3, 3, new int[] {
+      0x000000, 0x7F7F7F, 0xFFFFFF,
+      0xFF0000, 0x00FF00, 0x0000FF,
+      0x0000FF, 0x00FF00, 0xFF0000});
+
+  @Test
+  public void testCrop() {
+    assertTrue(SOURCE.isCropSupported());
+    LuminanceSource cropped = SOURCE.crop(1, 1, 1, 1);
+    assertEquals(1, cropped.getHeight());
+    assertEquals(1, cropped.getWidth());
+    assertArrayEquals(new byte[] { 0x7F }, cropped.getRow(0, null));
+  }
+
+  @Test
+  public void testMatrix() {
+    assertArrayEquals(new byte[] { 0x00, 0x7F, (byte) 0xFF, 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F },
+                      SOURCE.getMatrix());
+    LuminanceSource croppedFullWidth = SOURCE.crop(0, 1, 3, 2);
+    assertArrayEquals(new byte[] { 0x3F, 0x7F, 0x3F, 0x3F, 0x7F, 0x3F },
+                      croppedFullWidth.getMatrix());
+    LuminanceSource croppedCorner = SOURCE.crop(1, 1, 2, 2);
+    assertArrayEquals(new byte[] { 0x7F, 0x3F, 0x7F, 0x3F },
+                      croppedCorner.getMatrix());
+  }
+
+  @Test
+  public void testGetRow() {
+    assertArrayEquals(new byte[] { 0x3F, 0x7F, 0x3F }, SOURCE.getRow(2, new byte[3]));
+  }
+
+  @Test
+  public void testToString() {
+    assertEquals("#+ \n#+#\n#+#\n", SOURCE.toString());
+  }
+
+}