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@FadeFei
FadeFei authored Jul 4, 2016
1 parent 3877c5c commit 7a5de9d
Showing 1 changed file with 278 additions and 0 deletions.
278 changes: 278 additions & 0 deletions MyIImageIOTest.java
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import java.awt.Image;
import java.awt.image.BufferedImage;

import static org.junit.Assert.*;
import org.junit.Test;
import org.junit.Before;

import java.io.IOException;

public class MyIImageIOTest {

private static final String GOAL_PATH = "/home/12330388/Downloads/ss2014/stage03/ImageReader/bmptest/goal/";
private static final String MY_PATH = "/home/12330388/Downloads/ss2014/stage03/ImageReader/bmptest/myResult/";
private MyIImageIO myIImageIO;

@Before
public void setUp() throws Exception {
System.out.print("set up\n");
myIImageIO = new MyIImageIO();
System.out.print("start...\n");
}

@Test
public void redChanelForBmp1() throws IOException {
System.out.print("Red chanel test for bmp1\n");
String goalPath = GOAL_PATH + "1_red_goal.bmp";
String myPath = MY_PATH + "1_red.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Red-Bmp-1_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Red-Bmp-1_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Red-Bmp-1_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void greenChanelForBmp1() throws IOException {
System.out.print("Green chanel test for bmp1\n");
String goalPath = GOAL_PATH + "1_green_goal.bmp";
String myPath = MY_PATH + "1_green.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Green-Bmp-1_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Green-Bmp-1_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Green-Bmp-1_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void blueChanelForBmp1() throws IOException {
System.out.print("Blue chanel test for bmp1\n");
String goalPath = GOAL_PATH + "1_blue_goal.bmp";
String myPath = MY_PATH + "1_blue.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Blue-Bmp-1_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Blue-Bmp-1_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Blue-Bmp-1_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void grayChanelForBmp1() throws IOException {
System.out.print("Gray chanel test for bmp1\n");
String goalPath = GOAL_PATH + "1_gray_goal.bmp";
String myPath = MY_PATH + "1_gray.bmp";
Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Gray-Bmp-1_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Gray-Bmp-1_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Gray-Bmp-1_false: pixels differ", goalPixels[i], myPixels[i]);
}
}


@Test
public void redChanelForBmp2() throws IOException {
System.out.print("Red chanel test for bmp2\n");
String goalPath = GOAL_PATH + "2_red_goal.bmp";
String myPath = MY_PATH + "2_red.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Red-Bmp-2_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Red-Bmp-2_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Red-Bmp-2_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void greenChanelForBmp2() throws IOException {
System.out.print("Green chanel test for bmp2\n");
String goalPath = GOAL_PATH + "2_green_goal.bmp";
String myPath = MY_PATH + "2_green.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Green-Bmp-2_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Green-Bmp-2_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Green-Bmp-2_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void blueChanelForBmp2() throws IOException {
System.out.print("Blue chanel test for bmp2\n");
String goalPath = GOAL_PATH + "2_blue_goal.bmp";
String myPath = MY_PATH + "2_blue.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Blue-Bmp-2_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Blue-Bmp-2_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Blue-Bmp-2_false: pixels differ", goalPixels[i], myPixels[i]);
}
}

@Test
public void grayChanelForBmp2() throws IOException {
System.out.print("Gray chanel test for bmp2\n");
String goalPath = GOAL_PATH + "2_gray_goal.bmp";
String myPath = MY_PATH + "2_gray.bmp";

Image goalImage = myIImageIO.myRead(goalPath);
Image myImage = myIImageIO.myRead(myPath);

int goalHeight = goalImage.getHeight(null);
int goalWidth = goalImage.getWidth(null);
int myHeight = myImage.getHeight(null);
int myWidth = myImage.getWidth(null);

assertEquals("Gray-Bmp-2_false: goalHeight != myHeight", goalHeight, myHeight);
assertEquals("Gray-Bmp-2_false: goalWidth != myWidth", goalHeight, myHeight);

int[] goalPixels = new int[goalHeight * goalWidth];
int[] myPixels = new int[myHeight * myWidth];
BufferedImage bufferedImage = new BufferedImage(goalWidth, goalHeight, BufferedImage.TYPE_INT_RGB);

bufferedImage.getGraphics().drawImage(goalImage, 0, 0, goalWidth, goalHeight, null);
bufferedImage.getRGB(0, 0, goalWidth, goalHeight, goalPixels, 0, goalWidth);

bufferedImage.getGraphics().drawImage(myImage, 0, 0, myWidth, myHeight, null);
bufferedImage.getRGB(0, 0, myWidth, myHeight, myPixels, 0, myWidth);

for (int i = 0; i < myWidth * myHeight; i++) {
assertEquals("Gray-Bmp-2_false: pixels differ", goalPixels[i], myPixels[i]);
}
}
}

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