public void testRelativeEmbeddings() {
bd =
new Bidi(
new char[] {'s', 's', 's'},
0,
new byte[] {(byte) 1, (byte) 2, (byte) 3},
0,
3,
Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(3, bd.getLength());
assertEquals(2, bd.getLevelAt(0));
assertEquals(2, bd.getLevelAt(1));
assertEquals(4, bd.getLevelAt(2));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(2, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 2, 2}, {2, 3, 4},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
public static void assertRunArrayEquals(int[][] expected, Bidi bidi) {
assertEquals("different length", expected.length, bidi.getRunCount());
FORRUN:
for (int i = 0; i < bidi.getRunCount(); i++) {
int[] butWas = new int[] {bidi.getRunStart(i), bidi.getRunLimit(i), bidi.getRunLevel(i)};
for (int j = 0; j < expected.length; j++) {
if (expected[j][0] == butWas[0]
&& expected[j][1] == butWas[1]
&& expected[j][2] == butWas[2]) {
continue FORRUN;
}
}
fail(
"expected ["
+ i
+ "] "
+ " start: "
+ butWas[0]
+ " limit: "
+ butWas[1]
+ " level: "
+ butWas[2]);
}
}
private static void addRuns(List<BidiRun> runs, char[] text, int start, int end) {
if (start >= end) return;
Bidi bidi = new Bidi(text, start, null, 0, end - start, Bidi.DIRECTION_LEFT_TO_RIGHT);
int runCount = bidi.getRunCount();
for (int i = 0; i < runCount; i++) {
addOrMergeRun(
runs,
new BidiRun(
(byte) bidi.getRunLevel(i),
start + bidi.getRunStart(i),
start + bidi.getRunLimit(i)));
}
}
/** Generate components for the paragraph. fChars, fBidi should have been initialized already. */
private void generateComponents(int startingAt, int endingAt) {
if (collectStats) {
formattedChars += (endingAt - startingAt);
}
int layoutFlags = 0; // no extra info yet, bidi determines run and line direction
TextLabelFactory factory = new TextLabelFactory(fFrc, fChars, fBidi, layoutFlags);
int[] charsLtoV = null;
if (fBidi != null) {
fLevels = BidiUtils.getLevels(fBidi);
int[] charsVtoL = BidiUtils.createVisualToLogicalMap(fLevels);
charsLtoV = BidiUtils.createInverseMap(charsVtoL);
fIsDirectionLTR = fBidi.baseIsLeftToRight();
} else {
fLevels = null;
fIsDirectionLTR = true;
}
try {
fComponents =
TextLine.getComponents(
fParagraph, fChars, startingAt, endingAt, charsLtoV, fLevels, factory);
} catch (IllegalArgumentException e) {
System.out.println("startingAt=" + startingAt + "; endingAt=" + endingAt);
System.out.println("fComponentLimit=" + fComponentLimit);
throw e;
}
fComponentStart = startingAt;
fComponentLimit = endingAt;
// debugFormatCount += (endingAt-startingAt);
}
private TextLine makeTextLineOnRange(int startPos, int limitPos) {
int[] charsLtoV = null;
byte[] charLevels = null;
if (fBidi != null) {
Bidi lineBidi = fBidi.createLineBidi(startPos, limitPos);
charLevels = BidiUtils.getLevels(lineBidi);
int[] charsVtoL = BidiUtils.createVisualToLogicalMap(charLevels);
charsLtoV = BidiUtils.createInverseMap(charsVtoL);
}
TextLineComponent[] components = makeComponentsOnRange(startPos, limitPos);
return new TextLine(
fFrc,
components,
fBaselineOffsets,
fChars,
startPos,
limitPos,
charsLtoV,
charLevels,
fIsDirectionLTR);
}
/**
* Updates the <code>TextMeasurer</code> after a single character has been deleted from the
* paragraph currently represented by this <code>TextMeasurer</code>. After this call, this <code>
* TextMeasurer</code> is equivalent to a new <code>TextMeasurer</code> created from the text;
* however, it will usually be more efficient to update an existing <code>TextMeasurer</code> than
* to create a new one from scratch.
*
* @param newParagraph the text of the paragraph after performing the deletion. Cannot be null.
* @param deletePos the position in the text where the character was removed. Must not be less
* than the start of <code>newParagraph</code>, and must not be greater than the end of <code>
* newParagraph</code>.
* @throws IndexOutOfBoundsException if <code>deletePos</code> is less than the start of <code>
* newParagraph</code> or greater than the end of <code>newParagraph</code>
* @throws NullPointerException if <code>newParagraph</code> is <code>null</code>
*/
public void deleteChar(AttributedCharacterIterator newParagraph, int deletePos) {
fStart = newParagraph.getBeginIndex();
int end = newParagraph.getEndIndex();
if (end - fStart != fChars.length - 1) {
initAll(newParagraph);
}
char[] newChars = new char[end - fStart];
int changedIndex = deletePos - fStart;
System.arraycopy(fChars, 0, newChars, 0, deletePos - fStart);
System.arraycopy(fChars, changedIndex + 1, newChars, changedIndex, end - deletePos);
fChars = newChars;
if (fBidi != null) {
fBidi = new Bidi(newParagraph);
if (fBidi.isLeftToRight()) {
fBidi = null;
}
}
fParagraph = StyledParagraph.deleteChar(newParagraph, fChars, deletePos, fParagraph);
invalidateComponents();
}
private String func_78283_c(String p_78283_1_) {
if (p_78283_1_ != null && Bidi.requiresBidi(p_78283_1_.toCharArray(), 0, p_78283_1_.length())) {
Bidi var2 = new Bidi(p_78283_1_, -2);
byte[] var3 = new byte[var2.getRunCount()];
String[] var4 = new String[var3.length];
int var7;
for (int var5 = 0; var5 < var3.length; ++var5) {
int var6 = var2.getRunStart(var5);
var7 = var2.getRunLimit(var5);
int var8 = var2.getRunLevel(var5);
String var9 = p_78283_1_.substring(var6, var7);
var3[var5] = (byte) var8;
var4[var5] = var9;
}
String[] var11 = (String[]) var4.clone();
Bidi.reorderVisually(var3, 0, var4, 0, var3.length);
StringBuilder var12 = new StringBuilder();
var7 = 0;
while (var7 < var4.length) {
byte var13 = var3[var7];
int var14 = 0;
while (true) {
if (var14 < var11.length) {
if (!var11[var14].equals(var4[var7])) {
++var14;
continue;
}
var13 = var3[var14];
}
if ((var13 & 1) == 0) {
var12.append(var4[var7]);
} else {
for (var14 = var4[var7].length() - 1; var14 >= 0; --var14) {
char var10 = var4[var7].charAt(var14);
if (var10 == 40) {
var10 = 41;
} else if (var10 == 41) {
var10 = 40;
}
var12.append(var10);
}
}
++var7;
break;
}
}
return var12.toString();
} else {
return p_78283_1_;
}
}
private static void reorderRunsVisually(BidiRun[] bidiRunsInLogicalOrder) {
if (bidiRunsInLogicalOrder.length > 1) {
byte[] levels = new byte[bidiRunsInLogicalOrder.length];
for (int i = 0; i < bidiRunsInLogicalOrder.length; i++) {
levels[i] = bidiRunsInLogicalOrder[i].level;
}
Bidi.reorderVisually(levels, 0, bidiRunsInLogicalOrder, 0, levels.length);
}
}
public void testBadFlags() {
bd = new Bidi("", 173);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(0, bd.getLength());
assertEquals(0, bd.getLevelAt(0));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(1, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 0, 0},
},
bd);
assertTrue(bd.isLeftToRight());
assertFalse(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
// this is essentially the same bug as Bug_1
public void testRIBug_2() {
bd = new Bidi("\u05D0", Bidi.DIRECTION_LEFT_TO_RIGHT);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(1, bd.getLength());
assertEquals(1, bd.getLevelAt(0));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(1, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 1},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
/*
* spec reads: public static final int DIRECTION_RIGHT_TO_LEFT Constant
* indicating base direction is right-to-left. according to that, the method
* baseIsLeftToRight() here should return false. however, RI doesn't act so.
*/
public void testRIBug_1() {
bd = new Bidi("t", Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
// the base level it the essential cause
assertEquals(1, bd.getBaseLevel());
assertEquals(1, bd.getLength());
assertEquals(2, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(1, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 2},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
public void testGetRuns() {
// Regression test for Harmony-1028
String LTR = "\u0061\u0062";
String RTL = "\u05DC\u05DD";
String newLine = "\n";
String defText = LTR + newLine + RTL + LTR + RTL;
int[][] expectedRuns = {
{0, 3},
{3, 5},
{5, 7},
{7, 9},
};
Bidi bi = new Bidi(defText, 0);
final int count = bi.getRunCount();
for (int i = 0; i < count; i++) {
assertEquals(expectedRuns[i][0], bi.getRunStart(i));
assertEquals(expectedRuns[i][1], bi.getRunLimit(i));
}
}
/**
* Updates the <code>TextMeasurer</code> after a single character has been inserted into the
* paragraph currently represented by this <code>TextMeasurer</code>. After this call, this <code>
* TextMeasurer</code> is equivalent to a new <code>TextMeasurer</code> created from the text;
* however, it will usually be more efficient to update an existing <code>TextMeasurer</code> than
* to create a new one from scratch.
*
* @param newParagraph the text of the paragraph after performing the insertion. Cannot be null.
* @param insertPos the position in the text where the character was inserted. Must not be less
* than the start of <code>newParagraph</code>, and must be less than the end of <code>
* newParagraph</code>.
* @throws IndexOutOfBoundsException if <code>insertPos</code> is less than the start of <code>
* newParagraph</code> or greater than or equal to the end of <code>newParagraph</code>
* @throws NullPointerException if <code>newParagraph</code> is <code>null</code>
*/
public void insertChar(AttributedCharacterIterator newParagraph, int insertPos) {
if (collectStats) {
printStats();
}
if (wantStats) {
collectStats = true;
}
fStart = newParagraph.getBeginIndex();
int end = newParagraph.getEndIndex();
if (end - fStart != fChars.length + 1) {
initAll(newParagraph);
}
char[] newChars = new char[end - fStart];
int newCharIndex = insertPos - fStart;
System.arraycopy(fChars, 0, newChars, 0, newCharIndex);
char newChar = newParagraph.setIndex(insertPos);
newChars[newCharIndex] = newChar;
System.arraycopy(fChars, newCharIndex, newChars, newCharIndex + 1, end - insertPos - 1);
fChars = newChars;
if (fBidi != null
|| Bidi.requiresBidi(newChars, newCharIndex, newCharIndex + 1)
|| newParagraph.getAttribute(TextAttribute.BIDI_EMBEDDING) != null) {
fBidi = new Bidi(newParagraph);
if (fBidi.isLeftToRight()) {
fBidi = null;
}
}
fParagraph = StyledParagraph.insertChar(newParagraph, fChars, insertPos, fParagraph);
invalidateComponents();
}
public void testReorderVisually() {
String[] init = new String[] {"a", "b", "c", "d"};
String[] s = new String[4];
System.arraycopy(init, 0, s, 0, s.length);
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 0, s, 0, 4);
assertEquals("[c, b, a, d]", Arrays.asList(s).toString());
System.arraycopy(init, 0, s, 0, s.length);
Bidi.reorderVisually(new byte[] {1, 3}, 0, s, 1, 2);
assertEquals("[a, c, b, d]", Arrays.asList(s).toString());
System.arraycopy(init, 0, s, 0, s.length);
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 1, s, 1, 2);
assertEquals("[a, c, b, d]", Arrays.asList(s).toString());
System.arraycopy(init, 0, s, 0, s.length);
Bidi.reorderVisually(new byte[] {2, 1, 2, 1}, 1, s, 0, 3);
assertEquals("[c, b, a, d]", Arrays.asList(s).toString());
System.arraycopy(init, 0, s, 0, s.length);
Bidi.reorderVisually(new byte[] {2, 1, 0, 1}, 1, s, 0, 3);
assertEquals("[a, b, c, d]", Arrays.asList(s).toString());
}
public void testOne(TestHarness harness, String input, String levels, String expected) {
Object[] inputA = new Object[input.length()];
byte[] levelsA = new byte[levels.length()];
for (int i = 0; i < input.length(); ++i) {
inputA[i] = input.substring(i, i + 1);
levelsA[i] = (byte) (levels.charAt(i) - '0');
}
Bidi.reorderVisually(levelsA, 0, inputA, 0, inputA.length);
StringBuffer result = new StringBuffer();
for (int i = 0; i < inputA.length; ++i) result.append(inputA[i]);
harness.check(result.toString(), expected);
}
public void testCreateLineBidiInvalid() {
// regression for HARMONY-1050
Bidi bidi = new Bidi("str", 1);
try {
bidi.createLineBidi(-1, 1);
fail("Expected IAE");
} catch (IllegalArgumentException e) {
// Expected
}
try {
bidi.createLineBidi(1, -1);
fail("Expected IAE");
} catch (IllegalArgumentException e) {
// Expected
}
try {
bidi.createLineBidi(-1, -1);
fail("Expected IAE");
} catch (IllegalArgumentException e) {
// Expected
}
try {
bidi.createLineBidi(2, 1);
fail("Expected IAE");
} catch (IllegalArgumentException e) {
// Expected
}
try {
bidi.createLineBidi(2, 2);
} catch (IllegalArgumentException e) {
// Expected
}
try {
bidi.createLineBidi(2, 4);
fail("Expected IAE");
} catch (IllegalArgumentException e) {
// Expected
}
}
public void testBadReorderVisually() {
String[] s = new String[] {"a", "b", "c", "d"};
try {
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 0, s, 0, 5);
fail("should throw IAE");
} catch (IllegalArgumentException e) {
// expected
}
try {
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 0, s, -1, 1);
fail("should throw IAE");
} catch (IllegalArgumentException e) {
// expected
}
try {
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, -1, s, 0, 1);
fail("should throw IAE");
} catch (IllegalArgumentException e) {
// expected
}
try {
Bidi.reorderVisually(null, 0, s, 0, 1);
fail("should throw NPE");
} catch (NullPointerException e) {
// expected
}
try {
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 0, null, 0, 1);
fail("should throw NPE");
} catch (NullPointerException e) {
// expected
}
try {
Bidi.reorderVisually(new byte[] {2, 1, 3, 0}, 1, s, 0, -1);
fail("should throw IAE");
} catch (IllegalArgumentException e) {
// expected
}
}
public void testHebrewOverrideEmbeddings() {
bd =
new Bidi(
new char[] {'\u05D0', '\u05D0', '\u05D0'},
0,
new byte[] {(byte) -1, (byte) -2, (byte) -3},
0,
3,
Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(3, bd.getLength());
assertEquals(1, bd.getLevelAt(0));
assertEquals(2, bd.getLevelAt(1));
assertEquals(3, bd.getLevelAt(2));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(3, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 1}, {1, 2, 2}, {2, 3, 3},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd =
new Bidi(
new char[] {'\u05D0', '\u05D0', '\u05D0'},
0,
new byte[] {(byte) -1, (byte) -2, (byte) -3},
0,
3,
Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(3, bd.getLength());
assertEquals(1, bd.getLevelAt(0));
assertEquals(2, bd.getLevelAt(1));
assertEquals(3, bd.getLevelAt(2));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(3, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 1}, {1, 2, 2}, {2, 3, 3},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd =
new Bidi(
new char[] {'\u05D0', '\u05D0', '\u05D0'},
0,
new byte[] {(byte) -1, (byte) -2, (byte) -3},
0,
3,
Bidi.DIRECTION_LEFT_TO_RIGHT);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(3, bd.getLength());
assertEquals(1, bd.getLevelAt(0));
assertEquals(2, bd.getLevelAt(1));
assertEquals(3, bd.getLevelAt(2));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(3, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 1}, {1, 2, 2}, {2, 3, 3},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd =
new Bidi(
new char[] {'\u05D0', '\u05D0', '\u05D0'},
0,
new byte[] {(byte) -1, (byte) -2, (byte) -3},
0,
3,
Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(3, bd.getLength());
assertEquals(1, bd.getLevelAt(0));
assertEquals(2, bd.getLevelAt(1));
assertEquals(3, bd.getLevelAt(2));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(3, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 1}, {1, 2, 2}, {2, 3, 3},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
public void testIncompatibleLineAlgorithm() {
// ICU treat a new line as in the same run, however RI does not
bd =
new Bidi(
"aaaaa".toCharArray(),
0,
new byte[] {-2, -1, -3, -3, -2},
0,
5,
Bidi.DIRECTION_RIGHT_TO_LEFT);
Bidi line = bd.createLineBidi(1, 4);
assertFalse(line.baseIsLeftToRight());
assertEquals(1, line.getBaseLevel());
assertEquals(3, line.getLength());
assertEquals(1, line.getLevelAt(0));
assertEquals(1, line.getLevelAt(1));
assertEquals(1, line.getLevelAt(2));
assertEquals(1, line.getLevelAt(1000));
assertEquals(1, line.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 3, 1},
},
line);
assertFalse(line.isLeftToRight());
assertFalse(line.isMixed());
assertTrue(line.isRightToLeft());
}
/** Initialize state, including fChars array, direction, and fBidi. */
private void initAll(AttributedCharacterIterator text) {
fStart = text.getBeginIndex();
// extract chars
fChars = new char[text.getEndIndex() - fStart];
int n = 0;
for (char c = text.first(); c != CharacterIterator.DONE; c = text.next()) {
fChars[n++] = c;
}
text.first();
fBidi = new Bidi(text);
if (fBidi.isLeftToRight()) {
fBidi = null;
}
text.first();
Map<? extends Attribute, ?> paragraphAttrs = text.getAttributes();
NumericShaper shaper = AttributeValues.getNumericShaping(paragraphAttrs);
if (shaper != null) {
shaper.shape(fChars, 0, fChars.length);
}
fParagraph = new StyledParagraph(text, fChars);
// set paragraph attributes
{
// If there's an embedded graphic at the start of the
// paragraph, look for the first non-graphic character
// and use it and its font to initialize the paragraph.
// If not, use the first graphic to initialize.
fJustifyRatio = AttributeValues.getJustification(paragraphAttrs);
boolean haveFont = TextLine.advanceToFirstFont(text);
if (haveFont) {
Font defaultFont = TextLine.getFontAtCurrentPos(text);
int charsStart = text.getIndex() - text.getBeginIndex();
LineMetrics lm = defaultFont.getLineMetrics(fChars, charsStart, charsStart + 1, fFrc);
fBaseline = (byte) lm.getBaselineIndex();
fBaselineOffsets = lm.getBaselineOffsets();
} else {
// hmmm what to do here? Just try to supply reasonable
// values I guess.
GraphicAttribute graphic =
(GraphicAttribute) paragraphAttrs.get(TextAttribute.CHAR_REPLACEMENT);
fBaseline = TextLayout.getBaselineFromGraphic(graphic);
Hashtable<Attribute, ?> fmap = new Hashtable<>(5, (float) 0.9);
Font dummyFont = new Font(fmap);
LineMetrics lm = dummyFont.getLineMetrics(" ", 0, 1, fFrc);
fBaselineOffsets = lm.getBaselineOffsets();
}
fBaselineOffsets = TextLine.getNormalizedOffsets(fBaselineOffsets, fBaseline);
}
invalidateComponents();
}
public void testCreateLineBidi() {
bd =
new Bidi(
"a\u05D0a\u05D0a\u05D0\"\u05D0a".toCharArray(),
0,
new byte[] {0, 0, 0, -3, -3, 2, 2, 0, 3},
0,
9,
Bidi.DIRECTION_RIGHT_TO_LEFT);
Bidi line = bd.createLineBidi(2, 7);
assertFalse(line.baseIsLeftToRight());
assertEquals(1, line.getBaseLevel());
assertEquals(5, line.getLength());
assertEquals(2, line.getLevelAt(0));
assertEquals(3, line.getLevelAt(1));
assertEquals(3, line.getLevelAt(2));
assertEquals(3, line.getLevelAt(3));
assertEquals(2, line.getLevelAt(4));
assertEquals(1, line.getLevelAt(1000));
assertEquals(3, line.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 2}, {1, 4, 3}, {4, 5, 2},
},
line);
assertFalse(line.isLeftToRight());
assertTrue(line.isMixed());
assertFalse(line.isRightToLeft());
}
public void testRequiresBidi() {
try {
Bidi.requiresBidi(null, 0, 0);
fail("should throw NullPointerException");
} catch (NullPointerException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi(null, 0, 1));
fail("should throw NPE");
} catch (NullPointerException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("".toCharArray(), 0, 1));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), -1, 1));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 1, -1));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("\u05D0".toCharArray(), 1, -1));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 1, 0));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 7, 7));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 1, Integer.MAX_VALUE));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
try {
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), Integer.MAX_VALUE, 1));
fail("should throw IllegalArgumentException");
} catch (IllegalArgumentException e) {
// expected
}
assertFalse(Bidi.requiresBidi("".toCharArray(), 0, 0));
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 1, 1));
assertFalse(Bidi.requiresBidi("aaa".toCharArray(), 0, 2));
assertFalse(Bidi.requiresBidi("\u05D0".toCharArray(), 1, 1));
assertTrue(Bidi.requiresBidi("\u05D0".toCharArray(), 0, 1));
assertFalse(Bidi.requiresBidi("aa\u05D0a".toCharArray(), 0, 2));
assertTrue(Bidi.requiresBidi("aa\u05D0a".toCharArray(), 1, 3));
}
public void testComplicatedOverrideBidi() {
bd =
new Bidi(
"a\u05D0a\"a\u05D0\"\u05D0a".toCharArray(),
0,
new byte[] {0, 0, 0, -3, -3, 2, 2, 0, 3},
0,
9,
Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(9, bd.getLength());
assertEquals(2, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(2, bd.getLevelAt(2));
assertEquals(3, bd.getLevelAt(3));
assertEquals(3, bd.getLevelAt(4));
assertEquals(3, bd.getLevelAt(5));
assertEquals(2, bd.getLevelAt(6));
assertEquals(1, bd.getLevelAt(7));
assertEquals(4, bd.getLevelAt(8));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(7, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 2}, {1, 2, 1}, {2, 3, 2}, {3, 6, 3}, {6, 7, 2}, {7, 8, 1}, {8, 9, 4},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
public void testComplicatedBidi() {
bd = new Bidi("a\u05D0a\"a\u05D0\"\u05D0a", Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(9, bd.getLength());
assertEquals(2, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(2, bd.getLevelAt(2));
assertEquals(2, bd.getLevelAt(3));
assertEquals(2, bd.getLevelAt(4));
assertEquals(1, bd.getLevelAt(5));
assertEquals(1, bd.getLevelAt(6));
assertEquals(1, bd.getLevelAt(7));
assertEquals(2, bd.getLevelAt(8));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(5, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 2}, {1, 2, 1}, {2, 5, 2}, {5, 8, 1}, {8, 9, 2},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}
public void testSimpleBidiParagraph_2() {
bd = new Bidi("a\u05D0", Bidi.DIRECTION_DEFAULT_LEFT_TO_RIGHT);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(2, bd.getLength());
assertEquals(0, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(2, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 0}, {1, 2, 1},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd = new Bidi("a\u05D0", Bidi.DIRECTION_DEFAULT_RIGHT_TO_LEFT);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(2, bd.getLength());
assertEquals(0, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(2, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 0}, {1, 2, 1},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd = new Bidi("a\u05D0", Bidi.DIRECTION_LEFT_TO_RIGHT);
assertTrue(bd.baseIsLeftToRight());
assertEquals(0, bd.getBaseLevel());
assertEquals(2, bd.getLength());
assertEquals(0, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(0, bd.getLevelAt(1000));
assertEquals(2, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 0}, {1, 2, 1},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
bd = new Bidi("a\u05D0", Bidi.DIRECTION_RIGHT_TO_LEFT);
assertFalse(bd.baseIsLeftToRight());
assertEquals(1, bd.getBaseLevel());
assertEquals(2, bd.getLength());
assertEquals(2, bd.getLevelAt(0));
assertEquals(1, bd.getLevelAt(1));
assertEquals(1, bd.getLevelAt(1000));
assertEquals(2, bd.getRunCount());
assertRunArrayEquals(
new int[][] {
{0, 1, 2}, {1, 2, 1},
},
bd);
assertFalse(bd.isLeftToRight());
assertTrue(bd.isMixed());
assertFalse(bd.isRightToLeft());
}