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

Example 51 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_DeviceLjava_io_InputStream.

@Test
public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLjava_io_InputStream() {
    InputStream stream = null;
    Image image = null;
    try {
        try {
            image = new Image(display, stream);
            image.dispose();
            fail("No exception thrown for InputStream == null");
        } catch (IllegalArgumentException e) {
            assertSWTProblem("Incorrect exception thrown for InputStream == null", SWT.ERROR_NULL_ARGUMENT, e);
        }
        stream = SwtTestUtil.class.getResourceAsStream("empty.txt");
        try {
            image = new Image(display, stream);
            image.dispose();
            try {
                stream.close();
            } catch (IOException e) {
            }
            fail("No exception thrown for invalid InputStream");
        } catch (SWTException e) {
            assertSWTProblem("Incorrect exception thrown for invalid InputStream", SWT.ERROR_UNSUPPORTED_FORMAT, e);
        }
        int numFormats = SwtTestUtil.imageFormats.length;
        String fileName = SwtTestUtil.invalidImageFilenames[0];
        Display[] displays = { display, null };
        for (int j = 0; j < displays.length; j++) {
            // Display tempDisplay = displays[j];
            for (int i = 0; i < numFormats; i++) {
                String format = SwtTestUtil.imageFormats[i];
                stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format);
                try {
                    image = new Image(display, stream);
                    image.dispose();
                    try {
                        stream.close();
                    } catch (IOException e) {
                    }
                    fail("No exception thrown for invalid InputStream");
                } catch (SWTException e) {
                // Bug 70167 - Image(Device, InputStream) throws incorrect exception for bad PNG
                // remove comment when bug is fixed.
                // assertEquals("Incorrect exception thrown for invalid image InputStream", SWT.ERROR_INVALID_IMAGE, e);
                }
            }
        }
        stream = SwtTestUtil.class.getResourceAsStream(SwtTestUtil.invalidImageFilenames[1]);
        try {
            image = new Image(display, stream);
            image.dispose();
            try {
                stream.close();
            } catch (IOException e) {
            }
            fail("No exception thrown for invalid InputStream");
        } catch (SWTException e) {
            assertSWTProblem("Incorrect exception thrown for invalid image InputStream", SWT.ERROR_INVALID_IMAGE, e);
        }
        // create valid images
        for (int j = 0; j < displays.length; j++) {
            Display tempDisplay = displays[j];
            int numFileNames = SwtTestUtil.imageFilenames.length;
            for (int k = 0; k < numFileNames; k++) {
                fileName = SwtTestUtil.imageFilenames[k];
                for (int i = 0; i < numFormats; i++) {
                    String format = SwtTestUtil.imageFormats[i];
                    stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format);
                    image = new Image(tempDisplay, stream);
                    image.dispose();
                    try {
                        stream.close();
                    } catch (IOException e) {
                    }
                }
            }
        }
    } finally {
        try {
            stream.close();
        } catch (Exception e) {
        }
    }
}

Example 52 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_getBackground.

@Test
public void test_getBackground() {
    Image image = new Image(display, 10, 10);
    image.dispose();
    try {
        image.getBackground();
        fail("No exception thrown for disposed image");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e);
    }
// remainder tested in setBackground method
}

Example 53 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_setPixelsIII$BI.

@Test
public void test_setPixelsIII$BI() {
    final int SIZE = 20;
    final int OFFSET = 1;
    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)));
    byte[] values = new byte[] { 0x1, 0x1, 0x1, 0x1, 0x1 };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":a:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":b:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0x2, 0x1 };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":c:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":d:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0x4, 0xF };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":e:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":f:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0xF, (byte) 0xFF };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":g:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":h:", 0, pixelData[i]);
        }
    }
    // exception cases
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION * IMAGE_DIMENSION, pixelData, OFFSET);
        fail("No exception thrown for putWidth out of bounds");
    } catch (IndexOutOfBoundsException e) {
    }
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION, (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.setPixels(-1, 1, IMAGE_DIMENSION, 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.setPixels(IMAGE_DIMENSION, 1, IMAGE_DIMENSION, 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.setPixels(0, -1, IMAGE_DIMENSION, 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.setPixels(0, IMAGE_DIMENSION, IMAGE_DIMENSION, 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.setPixels(0, 1, -1, pixelData, OFFSET);
        fail("No exception thrown for putWidth < 0");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for putWidth < 0", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 32, new PaletteData(0xFF0000, 0xFF00, 0xFF));
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION, pixelData, OFFSET);
        fail("No exception thrown for invalid depth");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for invalid depth", SWT.ERROR_UNSUPPORTED_DEPTH, e);
    }
}

Example 54 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_ConstructorLjava_io_InputStream.

@Test
public void test_ConstructorLjava_io_InputStream() {
    try (InputStream stream = null) {
        new ImageData(stream);
        fail("No exception thrown for InputStream == null");
    } catch (IllegalArgumentException | IOException e) {
    }
    try (InputStream stream = SwtTestUtil.class.getResourceAsStream("empty.txt")) {
        new ImageData(stream);
        fail("No exception thrown for invalid InputStream");
    } catch (SWTException | IOException e) {
    }
    int numFormats = SwtTestUtil.imageFormats.length;
    String fileName = SwtTestUtil.imageFilenames[0];
    for (int i = 0; i < numFormats; i++) {
        String format = SwtTestUtil.imageFormats[i];
        try (InputStream stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format)) {
            new ImageData(stream);
        } catch (IOException e) {
        }
    }
}

Example 55 with SWTException

use of org.eclipse.swt.SWTException in project uiautomatorviewer by yangzaiCN.

the class UiAutomatorModel method loadScreenshotAndXmlDump.

public boolean loadScreenshotAndXmlDump(File screenshotFile, File xmlDumpFile) {
    if (screenshotFile != null && xmlDumpFile != null && screenshotFile.isFile() && xmlDumpFile.isFile()) {
        ImageData[] data = null;
        Image img = null;
        try {
            // use SWT's ImageLoader to read png from path
            data = new ImageLoader().load(screenshotFile.getAbsolutePath());
        } catch (SWTException e) {
            e.printStackTrace();
            return false;
        }
        // i.e. gifs or icons, we just care if it has at least one here
        if (data.length < 1)
            return false;
        BasicTreeNode rootNode = new UiHierarchyXmlLoader().parseXml(xmlDumpFile.getAbsolutePath());
        if (rootNode == null) {
            System.err.println("null rootnode after parsing.");
            return false;
        }
        try {
            // Image is tied to ImageData and a Display, so we only need to create once
            // per new image
            img = new Image(mView.getShell().getDisplay(), data[0]);
        } catch (SWTException e) {
            e.printStackTrace();
            return false;
        }
        // only update screenhot and xml if both are loaded successfully
        if (mScreenshot != null) {
            mScreenshot.dispose();
        }
        mScreenshot = img;
        if (mRootNode != null) {
            mRootNode.clearAllChildren();
        }
        // TODO: we should verify here if the coordinates in the XML matches the png
        // or not: think loading a phone screenshot with a tablet XML dump
        mRootNode = rootNode;
        mScreenshotFile = screenshotFile;
        mXmlDumpFile = xmlDumpFile;
        mExploreMode = true;
        mView.loadScreenshotAndXml();
        return true;
    }
    return false;
}