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*
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
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import java.awt.Component;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import javax.imageio.ImageIO;
import javax.swing.JEditorPane;
import javax.swing.SwingUtilities;
import javax.swing.text.GlyphView;
import javax.swing.text.View;
/*
* @test
* @bug 8257664
* @summary Tests inherited font-size with parent percentage specification.
* @run main TestWrongCSSFontSize
* @run main TestWrongCSSFontSize -w3cUnits
*/
public class TestWrongCSSFontSize {
private static final String TEXT =
"" +
"Foo
" +
"Bar
" +
"- Baz
" +
"" +
"" +
"" +
"" +
"Quux
" +
"";
private static final int expectedFontSize = 21;
private static final int expectedAssertions = 8;
private final boolean w3cUnits;
private JEditorPane editor;
public TestWrongCSSFontSize(boolean w3cUnits) {
this.w3cUnits = w3cUnits;
}
public void setUp() {
editor = new JEditorPane();
editor.setContentType("text/html");
if (w3cUnits) {
editor.putClientProperty(JEditorPane.W3C_LENGTH_UNITS, Boolean.TRUE);
}
editor.setText(TEXT);
editor.setSize(editor.getPreferredSize()); // layout
}
public void run() {
int count = forEachTextRun(editor.getUI()
.getRootView(editor), this::assertFontSize);
if (count != expectedAssertions) {
throw new AssertionError((w3cUnits ? "w3cUnits - " : "")
+ "assertion count expected ["
+ expectedAssertions + "] but found [" + count + "]");
}
}
private int forEachTextRun(View view, Consumer action) {
int tested = 0;
for (int i = 0; i < view.getViewCount(); i++) {
View child = view.getView(i);
if (child instanceof GlyphView) {
if (child.getElement()
.getAttributes().getAttribute("CR") == Boolean.TRUE) {
continue;
}
action.accept((GlyphView) child);
tested += 1;
} else {
tested += forEachTextRun(child, action);
}
}
return tested;
}
private void assertFontSize(GlyphView child) {
printSource(child);
int actualFontSize = child.getFont().getSize();
if (actualFontSize != expectedFontSize) {
throw new AssertionError((w3cUnits ? "w3cUnits - " : "")
+ "font size expected ["
+ expectedFontSize + "] but found [" + actualFontSize +"]");
}
}
private void printSource(View textRun) {
try {
editor.getEditorKit().write(System.out,
editor.getDocument(), textRun.getStartOffset(),
textRun.getEndOffset() - textRun.getStartOffset());
} catch (Exception e) {
e.printStackTrace();
}
}
private static void captureImage(Component comp, String suffix) {
try {
BufferedImage capture = new BufferedImage(comp.getWidth(),
comp.getHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics g = capture.getGraphics();
comp.paint(g);
g.dispose();
ImageIO.write(capture, "png",
new File(TestWrongCSSFontSize.class
.getSimpleName() + suffix + ".png"));
} catch (IOException e) {
e.printStackTrace();
}
}
public static void main(String[] args) throws Throwable {
TestWrongCSSFontSize test = new TestWrongCSSFontSize(argW3CUnits(args));
AtomicReference failure = new AtomicReference<>();
SwingUtilities.invokeAndWait(() -> {
try {
test.setUp();
test.run();
} catch (Throwable e) {
failure.set(e);
} finally {
String suffix = test.w3cUnits ? "-w3cUnits" : "";
if (failure.get() != null) {
captureImage(test.editor, suffix + "-failure");
} else if (argCapture(args)) {
captureImage(test.editor, suffix + "-success");
}
}
});
if (failure.get() != null) {
throw failure.get();
}
}
private static boolean argW3CUnits(String[] args) {
return Arrays.asList(args).contains("-w3cUnits");
}
private static boolean argCapture(String[] args) {
return Arrays.asList(args).contains("-capture");
}
}