Examples with SWTException org.eclipse.swt.SWTException used on opensource projects

Example 11 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Image method test_ConstructorLorg_eclipse_swt_graphics_Device_ImageFileNameProvider.

@Test
public void test_ConstructorLorg_eclipse_swt_graphics_Device_ImageFileNameProvider() {
    // Null provider
    ImageFileNameProvider provider = null;
    try {
        Image image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for file name == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_NULL_ARGUMENT, e);
    }
    // Invalid provider
    provider = zoom -> null;
    try {
        Image image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for non-existent file name");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    // Valid provider
    Image image = new Image(display, imageFileNameProvider);
    image.dispose();
    // Corrupt Image provider
    provider = zoom -> {
        String fileName;
        switch(zoom) {
            case 100:
                fileName = "corrupt.png";
                break;
            case 150:
                fileName = "corrupt.png";
                break;
            case 200:
                fileName = "corrupt.png";
                break;
            default:
                return null;
        }
        return getPath(fileName);
    };
    try {
        image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for corrupt image file.");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for provider with corrupt images", SWT.ERROR_INVALID_IMAGE, e);
    }
    // Valid provider only 100% zoom
    provider = zoom -> {
        String fileName;
        switch(zoom) {
            case 100:
                fileName = "collapseall.png";
                break;
            case 150:
            case 200:
            default:
                return null;
        }
        return getPath(fileName);
    };
    image = new Image(display, provider);
    image.dispose();
}

Example 12 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Image method test_ConstructorLorg_eclipse_swt_graphics_Device_ImageDataProvider.

@Test
public void test_ConstructorLorg_eclipse_swt_graphics_Device_ImageDataProvider() {
    // Null provider
    ImageDataProvider provider = null;
    try {
        Image image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for file name == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_NULL_ARGUMENT, e);
    }
    // Invalid provider
    provider = zoom -> null;
    try {
        Image image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for non-existent file name");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    // Valid provider
    Image image = new Image(display, imageDataProvider);
    image.dispose();
    // Corrupt Image provider
    provider = zoom -> {
        String fileName;
        switch(zoom) {
            case 100:
                fileName = "corrupt.png";
                break;
            case 150:
                fileName = "corrupt.png";
                break;
            case 200:
                fileName = "corrupt.png";
                break;
            default:
                return null;
        }
        return new ImageData(getPath(fileName));
    };
    try {
        image = new Image(display, provider);
        image.dispose();
        fail("No exception thrown for corrupt image file.");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for provider with corrupt images", SWT.ERROR_INVALID_IMAGE, e);
    }
    // Valid provider only 100% zoom
    provider = zoom -> {
        String fileName;
        switch(zoom) {
            case 100:
                fileName = "collapseall.png";
                break;
            case 150:
            case 200:
            default:
                return null;
        }
        return new ImageData(getPath(fileName));
    };
    image = new Image(display, provider);
    image.dispose();
}

Example 13 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Image method test_getBounds.

@Test
public void test_getBounds() {
    Rectangle bounds = new Rectangle(0, 0, 10, 20);
    Image image = new Image(display, bounds.width, bounds.height);
    image.dispose();
    try {
        image.getBounds();
        fail("No exception thrown for disposed image");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e);
    }
    // creates bitmap image
    image = new Image(display, bounds.width, bounds.height);
    Rectangle bounds1 = image.getBounds();
    image.dispose();
    assertEquals(":a:", bounds, bounds1);
    image = new Image(display, bounds);
    bounds1 = image.getBounds();
    image.dispose();
    assertEquals(":b:", bounds, bounds1);
    // create icon image
    ImageData imageData = new ImageData(bounds.width, bounds.height, 1, new PaletteData(new RGB(0, 0, 0)));
    image = new Image(display, imageData);
    bounds1 = image.getBounds();
    image.dispose();
    assertEquals(":c:", bounds, bounds1);
}

Example 14 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_Image method test_setBackgroundLorg_eclipse_swt_graphics_Color.

@Test
public void test_setBackgroundLorg_eclipse_swt_graphics_Color() {
    if (SwtTestUtil.isGTK) {
        // TODO Fix GTK failure.
        if (SwtTestUtil.verbose) {
            System.out.println("Excluded test_setBackgroundLorg_eclipse_swt_graphics_Color(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image)");
        }
        return;
    }
    Image image = new Image(display, 10, 10);
    try {
        image.setBackground(null);
        fail("No exception thrown for color == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for color == null", SWT.ERROR_NULL_ARGUMENT, e);
    } finally {
        image.dispose();
    }
    image = new Image(display, 10, 10);
    Color color = new Color(display, 255, 255, 255);
    color.dispose();
    try {
        image.setBackground(color);
        fail("No exception thrown for disposed color");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for disposed color", SWT.ERROR_INVALID_ARGUMENT, e);
    } finally {
        image.dispose();
    }
    image = new Image(display, 10, 10);
    image.dispose();
    color = new Color(display, 255, 255, 255);
    try {
        image.setBackground(color);
        fail("No exception thrown for disposed image");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e);
    } finally {
        color.dispose();
    }
    // this image does not have a transparent pixel by default so setBackground has no effect
    image = new Image(display, 10, 10);
    image.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
    color = image.getBackground();
    assertNull("background color should be null for non-transparent image", color);
    image.dispose();
    // create an image with transparency and then set the background color
    ImageData imageData = new ImageData(10, 10, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255), new RGB(50, 100, 150)));
    // transparent pixel is currently black
    imageData.transparentPixel = 0;
    image = new Image(display, imageData);
    image.setBackground(display.getSystemColor(SWT.COLOR_GREEN));
    color = image.getBackground();
    assertEquals("background color should have been set to green", display.getSystemColor(SWT.COLOR_GREEN), color);
    image.dispose();
}

Example 15 with SWTException

use of org.eclipse.swt.SWTException in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getPixelsIII$BI.

@Test
public void test_getPixelsIII$BI() {
    final int SIZE = 20;
    final int GET_WIDTH = 10;
    final int OFFSET = 10;
    byte[] pixelData = new byte[SIZE];
    // test 1 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 1, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":a:", 0, pixelData[i]);
    }
    byte[] values = new byte[] { 0x1, 0x1, 0x1, 0x1, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":b:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":c:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":d:", 0, pixelData[i]);
        }
    }
    // test 2 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":e:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0x2, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":f:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":g:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":h:", 0, pixelData[i]);
        }
    }
    // test 4 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 4, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":i:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0x4, 0xF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":j:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":k:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":l:", 0, pixelData[i]);
        }
    }
    // test 8 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 8, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":m:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0xF, (byte) 0xFF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":n:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":o:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":p:", 0, pixelData[i]);
        }
    }
    // exception cases
    try {
        imageData.getPixels(0, 1, GET_WIDTH * GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for getWidth out of bounds");
    } catch (IndexOutOfBoundsException e) {
    }
    try {
        imageData.getPixels(0, 1, GET_WIDTH, (byte[]) null, OFFSET);
        fail("No exception thrown for pixels == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for pixels == null", SWT.ERROR_NULL_ARGUMENT, e);
    }
    try {
        imageData.getPixels(-1, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(IMAGE_DIMENSION, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, -1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, IMAGE_DIMENSION, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, 1, -1, pixelData, OFFSET);
        fail("No exception thrown for getWidth < 0");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for getWidth < 0", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 32, new PaletteData(0xFF0000, 0xFF00, 0xFF));
    try {
        imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for invalid depth");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for invalid depth", SWT.ERROR_UNSUPPORTED_DEPTH, e);
    }
}