File	Doc	Category	Size	Date	Package
TextViewWordLimitsTest.java	API Doc	Android 5.1 API	10929	Thu Mar 12 22:22:12 GMT 2015	android.widget

TextViewWordLimitsTest

• java.lang.Object
  • android.test.AndroidTestCase

Fields Summary
TextView	mTv
Method	mGetWordLimits
Method	mSelectCurrentWord
Field	mContextMenuTriggeredByKey
Field	mSelectionControllerEnabled

Constructors Summary

Methods Summary
protected void	setUp() Sets up common fields used in all test cases. throws NoSuchFieldException throws SecurityException mTv = new TextView(getContext()); mTv.setInputType(InputType.TYPE_CLASS_TEXT); mGetWordLimits = mTv.getClass().getDeclaredMethod("getWordLimitsAt", new Class[] {int.class}); mGetWordLimits.setAccessible(true); mSelectCurrentWord = mTv.getClass().getDeclaredMethod("selectCurrentWord", new Class[] {}); mSelectCurrentWord.setAccessible(true); mContextMenuTriggeredByKey = mTv.getClass().getDeclaredField("mContextMenuTriggeredByKey"); mContextMenuTriggeredByKey.setAccessible(true); mSelectionControllerEnabled = mTv.getClass().getDeclaredField("mSelectionControllerEnabled"); mSelectionControllerEnabled.setAccessible(true);
public void	testFinalSeparator() Unicode classes included if combined with a letter. final String PUNCTUATION = "abc, def."; // Starting from the comma verifyWordLimits(PUNCTUATION, 3, 0, 3); verifyWordLimits(PUNCTUATION, 4, 0, 4); // Starting from the final period verifyWordLimits(PUNCTUATION, 8, 5, 8); verifyWordLimits(PUNCTUATION, 9, 5, 9);
public void	testIncludedClasses() Unicode classes included. final String LOWER = "njlj"; final String UPPER = "NJLJ"; final String TITLECASE = "\u01C8\u01CB\u01F2"; // Lj Nj Dz final String OTHER = "\u3042\u3044\u3046"; // Hiragana AIU final String MODIFIER = "\u02C6\u02CA\u02CB"; // Circumflex Acute Grave // Each string contains a single valid word verifyWordLimits(LOWER, 1, 0, 4); verifyWordLimits(UPPER, 1, 0, 4); verifyWordLimits(TITLECASE, 1, 0, 3); verifyWordLimits(OTHER, 1, 0, 3); verifyWordLimits(MODIFIER, 1, 0, 3);
public void	testLengths() Corner cases for string length. final String ONE_TWO = "one two"; final String EMPTY = ""; final String TOOLONG = "ThisWordIsTooLongToBeDefinedAsAWordInTheSenseUsedInTextView"; // Select first word verifyWordLimits(ONE_TWO, 0, 0, 3); verifyWordLimits(ONE_TWO, 3, 0, 3); // Select last word verifyWordLimits(ONE_TWO, 4, 4, 7); verifyWordLimits(ONE_TWO, 7, 4, 7); // Empty string verifyWordLimits(EMPTY, 0, -1, -1); // Too long word verifyWordLimits(TOOLONG, 0, -1, -1);
public void	testNotIncluded() Unicode classes other than listed in testIncludedClasses and testPartlyIncluded act as word separators. // Selection of character classes excluded final String MARK_NONSPACING = "a\u030A"; // a Combining ring above final String PUNCTUATION_OPEN_CLOSE = "(c)"; // Parenthesis final String PUNCTUATION_DASH = "non-fiction"; // Hyphen final String PUNCTUATION_OTHER = "b&b"; // Ampersand final String SYMBOL_OTHER = "Android\u00AE"; // Registered final String SEPARATOR_SPACE = "one two"; // Space // "a" verifyWordLimits(MARK_NONSPACING, 1, 0, 1); // "c" verifyWordLimits(PUNCTUATION_OPEN_CLOSE, 1, 1, 2); // "non-" verifyWordLimits(PUNCTUATION_DASH, 3, 0, 3); verifyWordLimits(PUNCTUATION_DASH, 4, 4, 11); // "b" verifyWordLimits(PUNCTUATION_OTHER, 0, 0, 1); verifyWordLimits(PUNCTUATION_OTHER, 1, 0, 1); verifyWordLimits(PUNCTUATION_OTHER, 2, 0, 3); // & is considered a punctuation sign. verifyWordLimits(PUNCTUATION_OTHER, 3, 2, 3); // "Android" verifyWordLimits(SYMBOL_OTHER, 7, 0, 7); verifyWordLimits(SYMBOL_OTHER, 8, -1, -1); // "one" verifyWordLimits(SEPARATOR_SPACE, 1, 0, 3);
public void	testPartlyIncluded() Unicode classes included if combined with a letter. final String NUMBER = "123"; final String NUMBER_LOWER = "1st"; final String APOSTROPHE = "''"; final String APOSTROPHE_LOWER = "'Android's'"; // Pure decimal number is ignored verifyWordLimits(NUMBER, 1, -1, -1); // Number with letter is valid verifyWordLimits(NUMBER_LOWER, 1, 0, 3); // Stand apostrophes are ignore verifyWordLimits(APOSTROPHE, 1, -1, -1); // Apostrophes are accepted if they are a part of a word verifyWordLimits(APOSTROPHE_LOWER, 1, 0, 11);
public void	testSelectCurrentWord() Selection is used if present and valid word. SpannableString textLower = new SpannableString("first second"); SpannableString textOther = new SpannableString("\u3042\3044\3046"); // Hiragana AIU SpannableString textDash = new SpannableString("non-fiction"); // Hyphen SpannableString textPunctOther = new SpannableString("b&b"); // Ampersand SpannableString textSymbolOther = new SpannableString("Android\u00AE"); // Registered // Valid selection - Letter, Lower verifySelectCurrentWord(textLower, 2, 5, 0, 5); // Adding the space spreads to the second word verifySelectCurrentWord(textLower, 2, 6, 0, 12); // Valid selection -- Letter, Other verifySelectCurrentWord(textOther, 1, 2, 0, 5); // Zero-width selection is interpreted as a cursor and the selection is ignored verifySelectCurrentWord(textLower, 2, 2, 0, 5); // Hyphen is part of selection verifySelectCurrentWord(textDash, 2, 5, 0, 11); // Ampersand part of selection or not verifySelectCurrentWord(textPunctOther, 1, 2, 0, 3); verifySelectCurrentWord(textPunctOther, 1, 3, 0, 3); // (R) part of the selection verifySelectCurrentWord(textSymbolOther, 2, 7, 0, 7); verifySelectCurrentWord(textSymbolOther, 2, 8, 0, 8);
public void	testSurrogate() Surrogate characters are treated as their code points. final String SURROGATE_LETTER = "\uD800\uDC00\uD800\uDC01\uD800\uDC02"; // Linear B AEI final String SURROGATE_SYMBOL = "\uD83D\uDE01\uD83D\uDE02\uD83D\uDE03"; // Three smileys // Letter Other is included even when coded as surrogate pairs verifyWordLimits(SURROGATE_LETTER, 0, 0, 6); verifyWordLimits(SURROGATE_LETTER, 1, 0, 6); verifyWordLimits(SURROGATE_LETTER, 2, 0, 6); verifyWordLimits(SURROGATE_LETTER, 3, 0, 6); verifyWordLimits(SURROGATE_LETTER, 4, 0, 6); verifyWordLimits(SURROGATE_LETTER, 5, 0, 6); verifyWordLimits(SURROGATE_LETTER, 6, 0, 6); // Not included classes are ignored even when coded as surrogate pairs verifyWordLimits(SURROGATE_SYMBOL, 0, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 1, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 2, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 3, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 4, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 5, -1, -1); verifyWordLimits(SURROGATE_SYMBOL, 6, -1, -1);
private void	verifySelectCurrentWord(android.text.Spannable text, int selectionStart, int selectionEnd, int correctStart, int correctEnd) mTv.setText(text, TextView.BufferType.SPANNABLE); Selection.setSelection((Spannable)mTv.getText(), selectionStart, selectionEnd); mContextMenuTriggeredByKey.setBoolean(mTv, true); mSelectionControllerEnabled.setBoolean(mTv, true); mSelectCurrentWord.invoke(mTv); assertEquals(correctStart, mTv.getSelectionStart()); assertEquals(correctEnd, mTv.getSelectionEnd());
private void	verifyWordLimits(java.lang.String text, int pos, int correctStart, int correctEnd) Calculate and verify word limits. Depends on the TextView implementation. Uses a private method and internal data representation. param text Text to select a word from param pos Position to expand word around param correctStart Correct start position for the word param correctEnd Correct end position for the word throws InvocationTargetException throws IllegalAccessException throws IllegalArgumentException throws InvocationTargetException throws IllegalAccessException mTv.setText(text, TextView.BufferType.SPANNABLE); long limits = (Long)mGetWordLimits.invoke(mTv, new Object[] {new Integer(pos)}); int actualStart = (int)(limits >>> 32); int actualEnd = (int)(limits & 0x00000000FFFFFFFFL); assertEquals(correctStart, actualStart); assertEquals(correctEnd, actualEnd);