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Cleanup StringAndJsonUtilsTests 

Change-Id: I7d35492c439c9419915251387b0c12e205740586
main
Tadashi G. Takaoka 2014-11-19 18:11:04 +09:00
parent 6c47403e27
commit cae324c561
4 changed files with 495 additions and 503 deletions
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292
tests/src/com/android/inputmethod/latin/common/StringUtilsTests.java
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@ -19,8 +19,6 @@ package com.android.inputmethod.latin.common;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import com.android.inputmethod.latin.common.StringUtils;
import java.util.Locale;
@SmallTest
@ -186,4 +184,294 @@ public class StringUtilsTests extends AndroidTestCase {
assert_capitalizeFirstAndDowncaseRest(GREECE, "άνεση", "Άνεση");
assert_capitalizeFirstAndDowncaseRest(GREECE, "ΆΝΕΣΗ", "Άνεση");
}
public void testContainsInArray() {
assertFalse("empty array", StringUtils.containsInArray("key", new String[0]));
assertFalse("not in 1 element", StringUtils.containsInArray("key", new String[] {
"key1"
}));
assertFalse("not in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key2"
}));
assertTrue("in 1 element", StringUtils.containsInArray("key", new String[] {
"key"
}));
assertTrue("in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key"
}));
}
public void testContainsInCommaSplittableText() {
assertFalse("null", StringUtils.containsInCommaSplittableText("key", null));
assertFalse("empty", StringUtils.containsInCommaSplittableText("key", ""));
assertFalse("not in 1 element",
StringUtils.containsInCommaSplittableText("key", "key1"));
assertFalse("not in 2 elements",
StringUtils.containsInCommaSplittableText("key", "key1,key2"));
assertTrue("in 1 element", StringUtils.containsInCommaSplittableText("key", "key"));
assertTrue("in 2 elements", StringUtils.containsInCommaSplittableText("key", "key1,key"));
}
public void testRemoveFromCommaSplittableTextIfExists() {
assertEquals("null", "", StringUtils.removeFromCommaSplittableTextIfExists("key", null));
assertEquals("empty", "", StringUtils.removeFromCommaSplittableTextIfExists("key", ""));
assertEquals("not in 1 element", "key1",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1"));
assertEquals("not in 2 elements", "key1,key2",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key2"));
assertEquals("in 1 element", "",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key"));
assertEquals("in 2 elements at position 1", "key2",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key2"));
assertEquals("in 2 elements at position 2", "key1",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key"));
assertEquals("in 3 elements at position 2", "key1,key3",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key,key3"));
assertEquals("in 3 elements at position 1,2,3", "",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key,key"));
assertEquals("in 5 elements at position 2,4", "key1,key3,key5",
StringUtils.removeFromCommaSplittableTextIfExists(
"key", "key1,key,key3,key,key5"));
}
public void testCapitalizeFirstCodePoint() {
assertEquals("SSaa",
StringUtils.capitalizeFirstCodePoint("ßaa", Locale.GERMAN));
assertEquals("Aßa",
StringUtils.capitalizeFirstCodePoint("aßa", Locale.GERMAN));
assertEquals("Iab",
StringUtils.capitalizeFirstCodePoint("iab", Locale.ENGLISH));
assertEquals("CAmElCaSe",
StringUtils.capitalizeFirstCodePoint("cAmElCaSe", Locale.ENGLISH));
assertEquals("İab",
StringUtils.capitalizeFirstCodePoint("iab", new Locale("tr")));
assertEquals("AİB",
StringUtils.capitalizeFirstCodePoint("AİB", new Locale("tr")));
assertEquals("A",
StringUtils.capitalizeFirstCodePoint("a", Locale.ENGLISH));
assertEquals("A",
StringUtils.capitalizeFirstCodePoint("A", Locale.ENGLISH));
}
public void testCapitalizeFirstAndDowncaseRest() {
assertEquals("SSaa",
StringUtils.capitalizeFirstAndDowncaseRest("ßaa", Locale.GERMAN));
assertEquals("Aßa",
StringUtils.capitalizeFirstAndDowncaseRest("aßa", Locale.GERMAN));
assertEquals("Iab",
StringUtils.capitalizeFirstAndDowncaseRest("iab", Locale.ENGLISH));
assertEquals("Camelcase",
StringUtils.capitalizeFirstAndDowncaseRest("cAmElCaSe", Locale.ENGLISH));
assertEquals("İab",
StringUtils.capitalizeFirstAndDowncaseRest("iab", new Locale("tr")));
assertEquals("Aib",
StringUtils.capitalizeFirstAndDowncaseRest("AİB", new Locale("tr")));
assertEquals("A",
StringUtils.capitalizeFirstAndDowncaseRest("a", Locale.ENGLISH));
assertEquals("A",
StringUtils.capitalizeFirstAndDowncaseRest("A", Locale.ENGLISH));
}
public void testGetCapitalizationType() {
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("capitalize"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("cApITalize"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("capitalizE"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("__c a piu$@tali56ze"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType("A__c a piu$@tali56ze"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType("Capitalize"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType(" Capitalize"));
assertEquals(StringUtils.CAPITALIZE_ALL,
StringUtils.getCapitalizationType("CAPITALIZE"));
assertEquals(StringUtils.CAPITALIZE_ALL,
StringUtils.getCapitalizationType(" PI26LIE"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType(""));
}
public void testIsIdenticalAfterUpcaseIsIdenticalAfterDowncase() {
assertFalse(StringUtils.isIdenticalAfterUpcase("capitalize"));
assertTrue(StringUtils.isIdenticalAfterDowncase("capitalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase("cApITalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase("cApITalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase("capitalizE"));
assertFalse(StringUtils.isIdenticalAfterDowncase("capitalizE"));
assertFalse(StringUtils.isIdenticalAfterUpcase("__c a piu$@tali56ze"));
assertTrue(StringUtils.isIdenticalAfterDowncase("__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterUpcase("A__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterDowncase("A__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterUpcase("Capitalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase("Capitalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase(" Capitalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase(" Capitalize"));
assertTrue(StringUtils.isIdenticalAfterUpcase("CAPITALIZE"));
assertFalse(StringUtils.isIdenticalAfterDowncase("CAPITALIZE"));
assertTrue(StringUtils.isIdenticalAfterUpcase(" PI26LIE"));
assertFalse(StringUtils.isIdenticalAfterDowncase(" PI26LIE"));
assertTrue(StringUtils.isIdenticalAfterUpcase(""));
assertTrue(StringUtils.isIdenticalAfterDowncase(""));
}
private static void checkCapitalize(final String src, final String dst,
final int[] sortedSeparators, final Locale locale) {
assertEquals(dst, StringUtils.capitalizeEachWord(src, sortedSeparators, locale));
assert(src.equals(dst)
== StringUtils.isIdenticalAfterCapitalizeEachWord(src, sortedSeparators));
}
private static final int[] SPACE = { Constants.CODE_SPACE };
private static final int[] SPACE_PERIOD = StringUtils.toSortedCodePointArray(" .");
private static final int[] SENTENCE_SEPARATORS =
StringUtils.toSortedCodePointArray(" \n.!?*()&");
private static final int[] WORD_SEPARATORS = StringUtils.toSortedCodePointArray(" \n.!?*,();&");
public void testCapitalizeEachWord() {
checkCapitalize("", "", SPACE, Locale.ENGLISH);
checkCapitalize("test", "Test", SPACE, Locale.ENGLISH);
checkCapitalize(" test", " Test", SPACE, Locale.ENGLISH);
checkCapitalize("Test", "Test", SPACE, Locale.ENGLISH);
checkCapitalize(" Test", " Test", SPACE, Locale.ENGLISH);
checkCapitalize(".Test", ".test", SPACE, Locale.ENGLISH);
checkCapitalize(".Test", ".Test", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And Retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.Retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.retest ", "Test And.retest ", SPACE, Locale.ENGLISH);
checkCapitalize("Test And.Retest ", "Test And.retest ", SPACE, Locale.ENGLISH);
checkCapitalize("test and ietest", "Test And İetest", SPACE_PERIOD, new Locale("tr"));
checkCapitalize("test and ietest", "Test And Ietest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Test&retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("rest\nrecreation! And in the end...",
"Rest\nRecreation! And In The End...", WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("lorem ipsum dolor sit amet", "Lorem Ipsum Dolor Sit Amet",
WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Lorem!Ipsum (Dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet",
WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Lorem!Ipsum (dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet",
WORD_SEPARATORS, Locale.ENGLISH);
}
public void testLooksLikeURL() {
assertTrue(StringUtils.lastPartLooksLikeURL("http://www.google."));
assertFalse(StringUtils.lastPartLooksLikeURL("word wo"));
assertTrue(StringUtils.lastPartLooksLikeURL("/etc/foo"));
assertFalse(StringUtils.lastPartLooksLikeURL("left/right"));
assertTrue(StringUtils.lastPartLooksLikeURL("www.goo"));
assertTrue(StringUtils.lastPartLooksLikeURL("www."));
assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A"));
assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A."));
assertTrue(StringUtils.lastPartLooksLikeURL("rtsp://foo."));
assertTrue(StringUtils.lastPartLooksLikeURL("://"));
assertFalse(StringUtils.lastPartLooksLikeURL("abc/"));
assertTrue(StringUtils.lastPartLooksLikeURL("abc.def/ghi"));
assertFalse(StringUtils.lastPartLooksLikeURL("abc.def"));
// TODO: ideally this would not look like a URL, but to keep down the complexity of the
// code for now True is acceptable.
assertTrue(StringUtils.lastPartLooksLikeURL("abc./def"));
// TODO: ideally this would not look like a URL, but to keep down the complexity of the
// code for now True is acceptable.
assertTrue(StringUtils.lastPartLooksLikeURL(".abc/def"));
}
public void testHexStringUtils() {
final byte[] bytes = new byte[] { (byte)0x01, (byte)0x11, (byte)0x22, (byte)0x33,
(byte)0x55, (byte)0x88, (byte)0xEE };
final String bytesStr = StringUtils.byteArrayToHexString(bytes);
final byte[] bytes2 = StringUtils.hexStringToByteArray(bytesStr);
for (int i = 0; i < bytes.length; ++i) {
assertTrue(bytes[i] == bytes2[i]);
}
final String bytesStr2 = StringUtils.byteArrayToHexString(bytes2);
assertTrue(bytesStr.equals(bytesStr2));
}
public void testToCodePointArray() {
final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh\u0000\u2002\u2003\u3000xx";
final int[] EXPECTED_RESULT = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7, 'f', 'g', 'h',
0, 0x2002, 0x2003, 0x3000, 'x', 'x'};
final int[] codePointArray = StringUtils.toCodePointArray(STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length());
assertEquals("toCodePointArray, size matches", codePointArray.length,
EXPECTED_RESULT.length);
for (int i = 0; i < EXPECTED_RESULT.length; ++i) {
assertEquals("toCodePointArray position " + i, codePointArray[i], EXPECTED_RESULT[i]);
}
}
public void testCopyCodePointsAndReturnCodePointCount() {
final String STR_WITH_SUPPLEMENTARY_CHAR = "AbcDE\uD861\uDED7fGh\u0000\u2002\u3000あx";
final int[] EXPECTED_RESULT = new int[] { 'A', 'b', 'c', 'D', 'E', 0x286D7,
'f', 'G', 'h', 0, 0x2002, 0x3000, 'あ', 'x'};
final int[] EXPECTED_RESULT_DOWNCASE = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7,
'f', 'g', 'h', 0, 0x2002, 0x3000, 'あ', 'x'};
int[] codePointArray = new int[50];
int codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length(), false /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount,
EXPECTED_RESULT.length);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT[i]);
}
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length(), true /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount downcase, size matches", codePointCount,
EXPECTED_RESULT_DOWNCASE.length);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT_DOWNCASE[i]);
}
final int JAVA_CHAR_COUNT = 8;
final int CODEPOINT_COUNT = 7;
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount,
CODEPOINT_COUNT);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT[i]);
}
boolean exceptionHappened = false;
codePointArray = new int[5];
try {
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */);
} catch (ArrayIndexOutOfBoundsException e) {
exceptionHappened = true;
}
assertTrue("copyCodePointsAndReturnCodePointCount throws when array is too small",
exceptionHappened);
}
public void testGetTrailingSingleQuotesCount() {
assertEquals(0, StringUtils.getTrailingSingleQuotesCount(""));
assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'"));
assertEquals(5, StringUtils.getTrailingSingleQuotesCount("'''''"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("a"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("'this"));
assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'word'"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("I'm"));
}
}

36
tests/src/com/android/inputmethod/latin/utils/JsonUtilsTests.java Normal file
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@ -0,0 +1,36 @@
/*
* Copyright (C) 2014 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin.utils;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import java.util.Arrays;
import java.util.List;
@SmallTest
public class JsonUtilsTests extends AndroidTestCase {
public void testJsonUtils() {
final Object[] objs = new Object[] { 1, "aaa", "bbb", 3 };
final List<Object> objArray = Arrays.asList(objs);
final String str = JsonUtils.listToJsonStr(objArray);
final List<Object> newObjArray = JsonUtils.jsonStrToList(str);
for (int i = 0; i < objs.length; ++i) {
assertEquals(objs[i], newObjArray.get(i));
}
}
}

169
tests/src/com/android/inputmethod/latin/utils/SpannableStringUtilsTests.java
View File

@ -20,8 +20,10 @@ import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.style.SuggestionSpan;
import android.text.style.URLSpan;
import android.text.SpannableString;
import android.text.SpannableStringBuilder;
import android.text.Spanned;
import android.text.SpannedString;
@SmallTest
public class SpannableStringUtilsTests extends AndroidTestCase {
@ -54,4 +56,171 @@ public class SpannableStringUtilsTests extends AndroidTestCase {
assertTrue("Should be a SuggestionSpan", spans[i] instanceof SuggestionSpan);
}
}
private static void assertSpanCount(final int expectedCount, final CharSequence cs) {
final int actualCount;
if (cs instanceof Spanned) {
final Spanned spanned = (Spanned) cs;
actualCount = spanned.getSpans(0, spanned.length(), Object.class).length;
} else {
actualCount = 0;
}
assertEquals(expectedCount, actualCount);
}
private static void assertSpan(final CharSequence cs, final Object expectedSpan,
final int expectedStart, final int expectedEnd, final int expectedFlags) {
assertTrue(cs instanceof Spanned);
final Spanned spanned = (Spanned) cs;
final Object[] actualSpans = spanned.getSpans(0, spanned.length(), Object.class);
for (Object actualSpan : actualSpans) {
if (actualSpan == expectedSpan) {
final int actualStart = spanned.getSpanStart(actualSpan);
final int actualEnd = spanned.getSpanEnd(actualSpan);
final int actualFlags = spanned.getSpanFlags(actualSpan);
assertEquals(expectedStart, actualStart);
assertEquals(expectedEnd, actualEnd);
assertEquals(expectedFlags, actualFlags);
return;
}
}
assertTrue(false);
}
public void testSplitCharSequenceWithSpan() {
// text: " a bcd efg hij "
// span1: ^^^^^^^
// span2: ^^^^^
// span3: ^
final SpannableString spannableString = new SpannableString(" a bcd efg hij ");
final Object span1 = new Object();
final Object span2 = new Object();
final Object span3 = new Object();
final int SPAN1_FLAGS = Spanned.SPAN_EXCLUSIVE_EXCLUSIVE;
final int SPAN2_FLAGS = Spanned.SPAN_EXCLUSIVE_INCLUSIVE;
final int SPAN3_FLAGS = Spanned.SPAN_INCLUSIVE_INCLUSIVE;
spannableString.setSpan(span1, 0, 7, SPAN1_FLAGS);
spannableString.setSpan(span2, 0, 5, SPAN2_FLAGS);
spannableString.setSpan(span3, 12, 13, SPAN3_FLAGS);
final CharSequence[] charSequencesFromSpanned = SpannableStringUtils.split(
spannableString, " ", true /* preserveTrailingEmptySegmengs */);
final CharSequence[] charSequencesFromString = SpannableStringUtils.split(
spannableString.toString(), " ", true /* preserveTrailingEmptySegmengs */);
assertEquals(7, charSequencesFromString.length);
assertEquals(7, charSequencesFromSpanned.length);
// text: ""
// span1: ^
// span2: ^
// span3:
assertEquals("", charSequencesFromString[0].toString());
assertSpanCount(0, charSequencesFromString[0]);
assertEquals("", charSequencesFromSpanned[0].toString());
assertSpanCount(2, charSequencesFromSpanned[0]);
assertSpan(charSequencesFromSpanned[0], span1, 0, 0, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[0], span2, 0, 0, SPAN2_FLAGS);
// text: "a"
// span1: ^
// span2: ^
// span3:
assertEquals("a", charSequencesFromString[1].toString());
assertSpanCount(0, charSequencesFromString[1]);
assertEquals("a", charSequencesFromSpanned[1].toString());
assertSpanCount(2, charSequencesFromSpanned[1]);
assertSpan(charSequencesFromSpanned[1], span1, 0, 1, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[1], span2, 0, 1, SPAN2_FLAGS);
// text: "bcd"
// span1: ^^^
// span2: ^^
// span3:
assertEquals("bcd", charSequencesFromString[2].toString());
assertSpanCount(0, charSequencesFromString[2]);
assertEquals("bcd", charSequencesFromSpanned[2].toString());
assertSpanCount(2, charSequencesFromSpanned[2]);
assertSpan(charSequencesFromSpanned[2], span1, 0, 3, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[2], span2, 0, 2, SPAN2_FLAGS);
// text: "efg"
// span1:
// span2:
// span3:
assertEquals("efg", charSequencesFromString[3].toString());
assertSpanCount(0, charSequencesFromString[3]);
assertEquals("efg", charSequencesFromSpanned[3].toString());
assertSpanCount(0, charSequencesFromSpanned[3]);
// text: "hij"
// span1:
// span2:
// span3: ^
assertEquals("hij", charSequencesFromString[4].toString());
assertSpanCount(0, charSequencesFromString[4]);
assertEquals("hij", charSequencesFromSpanned[4].toString());
assertSpanCount(1, charSequencesFromSpanned[4]);
assertSpan(charSequencesFromSpanned[4], span3, 1, 2, SPAN3_FLAGS);
// text: ""
// span1:
// span2:
// span3:
assertEquals("", charSequencesFromString[5].toString());
assertSpanCount(0, charSequencesFromString[5]);
assertEquals("", charSequencesFromSpanned[5].toString());
assertSpanCount(0, charSequencesFromSpanned[5]);
// text: ""
// span1:
// span2:
// span3:
assertEquals("", charSequencesFromString[6].toString());
assertSpanCount(0, charSequencesFromString[6]);
assertEquals("", charSequencesFromSpanned[6].toString());
assertSpanCount(0, charSequencesFromSpanned[6]);
}
public void testSplitCharSequencePreserveTrailingEmptySegmengs() {
assertEquals(1, SpannableStringUtils.split("", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split(new SpannedString(""), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split("", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split(new SpannedString(""), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(0, SpannableStringUtils.split(" ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(0, SpannableStringUtils.split(new SpannedString(" "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(2, SpannableStringUtils.split(" ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(2, SpannableStringUtils.split(new SpannedString(" "), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(3, SpannableStringUtils.split("a b c ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(3, SpannableStringUtils.split(new SpannedString("a b c "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(5, SpannableStringUtils.split("a b c ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(5, SpannableStringUtils.split(new SpannedString("a b c "), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(6, SpannableStringUtils.split("a b ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(6, SpannableStringUtils.split(new SpannedString("a b "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(7, SpannableStringUtils.split("a b ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(7, SpannableStringUtils.split(new SpannedString("a b "), " ",
true /* preserveTrailingEmptySegmengs */).length);
}
}

501
tests/src/com/android/inputmethod/latin/utils/StringAndJsonUtilsTests.java
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@ -1,501 +0,0 @@
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.inputmethod.latin.utils;
import android.test.AndroidTestCase;
import android.test.suitebuilder.annotation.SmallTest;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.SpannedString;
import com.android.inputmethod.latin.common.Constants;
import com.android.inputmethod.latin.common.StringUtils;
import com.android.inputmethod.latin.utils.SpannableStringUtils;
import java.util.Arrays;
import java.util.List;
import java.util.Locale;
@SmallTest
public class StringAndJsonUtilsTests extends AndroidTestCase {
public void testContainsInArray() {
assertFalse("empty array", StringUtils.containsInArray("key", new String[0]));
assertFalse("not in 1 element", StringUtils.containsInArray("key", new String[] {
"key1"
}));
assertFalse("not in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key2"
}));
assertTrue("in 1 element", StringUtils.containsInArray("key", new String[] {
"key"
}));
assertTrue("in 2 elements", StringUtils.containsInArray("key", new String[] {
"key1", "key"
}));
}
public void testContainsInCommaSplittableText() {
assertFalse("null", StringUtils.containsInCommaSplittableText("key", null));
assertFalse("empty", StringUtils.containsInCommaSplittableText("key", ""));
assertFalse("not in 1 element",
StringUtils.containsInCommaSplittableText("key", "key1"));
assertFalse("not in 2 elements",
StringUtils.containsInCommaSplittableText("key", "key1,key2"));
assertTrue("in 1 element", StringUtils.containsInCommaSplittableText("key", "key"));
assertTrue("in 2 elements", StringUtils.containsInCommaSplittableText("key", "key1,key"));
}
public void testRemoveFromCommaSplittableTextIfExists() {
assertEquals("null", "", StringUtils.removeFromCommaSplittableTextIfExists("key", null));
assertEquals("empty", "", StringUtils.removeFromCommaSplittableTextIfExists("key", ""));
assertEquals("not in 1 element", "key1",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1"));
assertEquals("not in 2 elements", "key1,key2",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key2"));
assertEquals("in 1 element", "",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key"));
assertEquals("in 2 elements at position 1", "key2",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key2"));
assertEquals("in 2 elements at position 2", "key1",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key"));
assertEquals("in 3 elements at position 2", "key1,key3",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key1,key,key3"));
assertEquals("in 3 elements at position 1,2,3", "",
StringUtils.removeFromCommaSplittableTextIfExists("key", "key,key,key"));
assertEquals("in 5 elements at position 2,4", "key1,key3,key5",
StringUtils.removeFromCommaSplittableTextIfExists(
"key", "key1,key,key3,key,key5"));
}
public void testCapitalizeFirstCodePoint() {
assertEquals("SSaa",
StringUtils.capitalizeFirstCodePoint("ßaa", Locale.GERMAN));
assertEquals("Aßa",
StringUtils.capitalizeFirstCodePoint("aßa", Locale.GERMAN));
assertEquals("Iab",
StringUtils.capitalizeFirstCodePoint("iab", Locale.ENGLISH));
assertEquals("CAmElCaSe",
StringUtils.capitalizeFirstCodePoint("cAmElCaSe", Locale.ENGLISH));
assertEquals("İab",
StringUtils.capitalizeFirstCodePoint("iab", new Locale("tr")));
assertEquals("AİB",
StringUtils.capitalizeFirstCodePoint("AİB", new Locale("tr")));
assertEquals("A",
StringUtils.capitalizeFirstCodePoint("a", Locale.ENGLISH));
assertEquals("A",
StringUtils.capitalizeFirstCodePoint("A", Locale.ENGLISH));
}
public void testCapitalizeFirstAndDowncaseRest() {
assertEquals("SSaa",
StringUtils.capitalizeFirstAndDowncaseRest("ßaa", Locale.GERMAN));
assertEquals("Aßa",
StringUtils.capitalizeFirstAndDowncaseRest("aßa", Locale.GERMAN));
assertEquals("Iab",
StringUtils.capitalizeFirstAndDowncaseRest("iab", Locale.ENGLISH));
assertEquals("Camelcase",
StringUtils.capitalizeFirstAndDowncaseRest("cAmElCaSe", Locale.ENGLISH));
assertEquals("İab",
StringUtils.capitalizeFirstAndDowncaseRest("iab", new Locale("tr")));
assertEquals("Aib",
StringUtils.capitalizeFirstAndDowncaseRest("AİB", new Locale("tr")));
assertEquals("A",
StringUtils.capitalizeFirstAndDowncaseRest("a", Locale.ENGLISH));
assertEquals("A",
StringUtils.capitalizeFirstAndDowncaseRest("A", Locale.ENGLISH));
}
public void testGetCapitalizationType() {
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("capitalize"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("cApITalize"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("capitalizE"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType("__c a piu$@tali56ze"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType("A__c a piu$@tali56ze"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType("Capitalize"));
assertEquals(StringUtils.CAPITALIZE_FIRST,
StringUtils.getCapitalizationType(" Capitalize"));
assertEquals(StringUtils.CAPITALIZE_ALL,
StringUtils.getCapitalizationType("CAPITALIZE"));
assertEquals(StringUtils.CAPITALIZE_ALL,
StringUtils.getCapitalizationType(" PI26LIE"));
assertEquals(StringUtils.CAPITALIZE_NONE,
StringUtils.getCapitalizationType(""));
}
public void testIsIdenticalAfterUpcaseIsIdenticalAfterDowncase() {
assertFalse(StringUtils.isIdenticalAfterUpcase("capitalize"));
assertTrue(StringUtils.isIdenticalAfterDowncase("capitalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase("cApITalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase("cApITalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase("capitalizE"));
assertFalse(StringUtils.isIdenticalAfterDowncase("capitalizE"));
assertFalse(StringUtils.isIdenticalAfterUpcase("__c a piu$@tali56ze"));
assertTrue(StringUtils.isIdenticalAfterDowncase("__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterUpcase("A__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterDowncase("A__c a piu$@tali56ze"));
assertFalse(StringUtils.isIdenticalAfterUpcase("Capitalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase("Capitalize"));
assertFalse(StringUtils.isIdenticalAfterUpcase(" Capitalize"));
assertFalse(StringUtils.isIdenticalAfterDowncase(" Capitalize"));
assertTrue(StringUtils.isIdenticalAfterUpcase("CAPITALIZE"));
assertFalse(StringUtils.isIdenticalAfterDowncase("CAPITALIZE"));
assertTrue(StringUtils.isIdenticalAfterUpcase(" PI26LIE"));
assertFalse(StringUtils.isIdenticalAfterDowncase(" PI26LIE"));
assertTrue(StringUtils.isIdenticalAfterUpcase(""));
assertTrue(StringUtils.isIdenticalAfterDowncase(""));
}
private static void checkCapitalize(final String src, final String dst,
final int[] sortedSeparators, final Locale locale) {
assertEquals(dst, StringUtils.capitalizeEachWord(src, sortedSeparators, locale));
assert(src.equals(dst)
== StringUtils.isIdenticalAfterCapitalizeEachWord(src, sortedSeparators));
}
private static final int[] SPACE = { Constants.CODE_SPACE };
private static final int[] SPACE_PERIOD = StringUtils.toSortedCodePointArray(" .");
private static final int[] SENTENCE_SEPARATORS =
StringUtils.toSortedCodePointArray(" \n.!?*()&");
private static final int[] WORD_SEPARATORS = StringUtils.toSortedCodePointArray(" \n.!?*,();&");
public void testCapitalizeEachWord() {
checkCapitalize("", "", SPACE, Locale.ENGLISH);
checkCapitalize("test", "Test", SPACE, Locale.ENGLISH);
checkCapitalize(" test", " Test", SPACE, Locale.ENGLISH);
checkCapitalize("Test", "Test", SPACE, Locale.ENGLISH);
checkCapitalize(" Test", " Test", SPACE, Locale.ENGLISH);
checkCapitalize(".Test", ".test", SPACE, Locale.ENGLISH);
checkCapitalize(".Test", ".Test", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test and retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And Retest", "Test And Retest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.Retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.retest ", "Test And.Retest ", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test And.retest ", "Test And.retest ", SPACE, Locale.ENGLISH);
checkCapitalize("Test And.Retest ", "Test And.retest ", SPACE, Locale.ENGLISH);
checkCapitalize("test and ietest", "Test And İetest", SPACE_PERIOD, new Locale("tr"));
checkCapitalize("test and ietest", "Test And Ietest", SPACE_PERIOD, Locale.ENGLISH);
checkCapitalize("Test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Test&retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("test&Retest", "Test&Retest", SENTENCE_SEPARATORS, Locale.ENGLISH);
checkCapitalize("rest\nrecreation! And in the end...",
"Rest\nRecreation! And In The End...", WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("lorem ipsum dolor sit amet", "Lorem Ipsum Dolor Sit Amet",
WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Lorem!Ipsum (Dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet",
WORD_SEPARATORS, Locale.ENGLISH);
checkCapitalize("Lorem!Ipsum (dolor) Sit * Amet", "Lorem!Ipsum (Dolor) Sit * Amet",
WORD_SEPARATORS, Locale.ENGLISH);
}
public void testLooksLikeURL() {
assertTrue(StringUtils.lastPartLooksLikeURL("http://www.google."));
assertFalse(StringUtils.lastPartLooksLikeURL("word wo"));
assertTrue(StringUtils.lastPartLooksLikeURL("/etc/foo"));
assertFalse(StringUtils.lastPartLooksLikeURL("left/right"));
assertTrue(StringUtils.lastPartLooksLikeURL("www.goo"));
assertTrue(StringUtils.lastPartLooksLikeURL("www."));
assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A"));
assertFalse(StringUtils.lastPartLooksLikeURL("U.S.A."));
assertTrue(StringUtils.lastPartLooksLikeURL("rtsp://foo."));
assertTrue(StringUtils.lastPartLooksLikeURL("://"));
assertFalse(StringUtils.lastPartLooksLikeURL("abc/"));
assertTrue(StringUtils.lastPartLooksLikeURL("abc.def/ghi"));
assertFalse(StringUtils.lastPartLooksLikeURL("abc.def"));
// TODO: ideally this would not look like a URL, but to keep down the complexity of the
// code for now True is acceptable.
assertTrue(StringUtils.lastPartLooksLikeURL("abc./def"));
// TODO: ideally this would not look like a URL, but to keep down the complexity of the
// code for now True is acceptable.
assertTrue(StringUtils.lastPartLooksLikeURL(".abc/def"));
}
public void testHexStringUtils() {
final byte[] bytes = new byte[] { (byte)0x01, (byte)0x11, (byte)0x22, (byte)0x33,
(byte)0x55, (byte)0x88, (byte)0xEE };
final String bytesStr = StringUtils.byteArrayToHexString(bytes);
final byte[] bytes2 = StringUtils.hexStringToByteArray(bytesStr);
for (int i = 0; i < bytes.length; ++i) {
assertTrue(bytes[i] == bytes2[i]);
}
final String bytesStr2 = StringUtils.byteArrayToHexString(bytes2);
assertTrue(bytesStr.equals(bytesStr2));
}
public void testJsonUtils() {
final Object[] objs = new Object[] { 1, "aaa", "bbb", 3 };
final List<Object> objArray = Arrays.asList(objs);
final String str = JsonUtils.listToJsonStr(objArray);
final List<Object> newObjArray = JsonUtils.jsonStrToList(str);
for (int i = 0; i < objs.length; ++i) {
assertEquals(objs[i], newObjArray.get(i));
}
}
public void testToCodePointArray() {
final String STR_WITH_SUPPLEMENTARY_CHAR = "abcde\uD861\uDED7fgh\u0000\u2002\u2003\u3000xx";
final int[] EXPECTED_RESULT = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7, 'f', 'g', 'h',
0, 0x2002, 0x2003, 0x3000, 'x', 'x'};
final int[] codePointArray = StringUtils.toCodePointArray(STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length());
assertEquals("toCodePointArray, size matches", codePointArray.length,
EXPECTED_RESULT.length);
for (int i = 0; i < EXPECTED_RESULT.length; ++i) {
assertEquals("toCodePointArray position " + i, codePointArray[i], EXPECTED_RESULT[i]);
}
}
public void testCopyCodePointsAndReturnCodePointCount() {
final String STR_WITH_SUPPLEMENTARY_CHAR = "AbcDE\uD861\uDED7fGh\u0000\u2002\u3000あx";
final int[] EXPECTED_RESULT = new int[] { 'A', 'b', 'c', 'D', 'E', 0x286D7,
'f', 'G', 'h', 0, 0x2002, 0x3000, 'あ', 'x'};
final int[] EXPECTED_RESULT_DOWNCASE = new int[] { 'a', 'b', 'c', 'd', 'e', 0x286D7,
'f', 'g', 'h', 0, 0x2002, 0x3000, 'あ', 'x'};
int[] codePointArray = new int[50];
int codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length(), false /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount,
EXPECTED_RESULT.length);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT[i]);
}
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0,
STR_WITH_SUPPLEMENTARY_CHAR.length(), true /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount downcase, size matches", codePointCount,
EXPECTED_RESULT_DOWNCASE.length);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT_DOWNCASE[i]);
}
final int JAVA_CHAR_COUNT = 8;
final int CODEPOINT_COUNT = 7;
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */);
assertEquals("copyCodePointsAndReturnCodePointCount, size matches", codePointCount,
CODEPOINT_COUNT);
for (int i = 0; i < codePointCount; ++i) {
assertEquals("copyCodePointsAndReturnCodePointCount position " + i, codePointArray[i],
EXPECTED_RESULT[i]);
}
boolean exceptionHappened = false;
codePointArray = new int[5];
try {
codePointCount = StringUtils.copyCodePointsAndReturnCodePointCount(codePointArray,
STR_WITH_SUPPLEMENTARY_CHAR, 0, JAVA_CHAR_COUNT, false /* downCase */);
} catch (ArrayIndexOutOfBoundsException e) {
exceptionHappened = true;
}
assertTrue("copyCodePointsAndReturnCodePointCount throws when array is too small",
exceptionHappened);
}
public void testGetTrailingSingleQuotesCount() {
assertEquals(0, StringUtils.getTrailingSingleQuotesCount(""));
assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'"));
assertEquals(5, StringUtils.getTrailingSingleQuotesCount("'''''"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("a"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("'this"));
assertEquals(1, StringUtils.getTrailingSingleQuotesCount("'word'"));
assertEquals(0, StringUtils.getTrailingSingleQuotesCount("I'm"));
}
private static void assertSpanCount(final int expectedCount, final CharSequence cs) {
final int actualCount;
if (cs instanceof Spanned) {
final Spanned spanned = (Spanned) cs;
actualCount = spanned.getSpans(0, spanned.length(), Object.class).length;
} else {
actualCount = 0;
}
assertEquals(expectedCount, actualCount);
}
private static void assertSpan(final CharSequence cs, final Object expectedSpan,
final int expectedStart, final int expectedEnd, final int expectedFlags) {
assertTrue(cs instanceof Spanned);
final Spanned spanned = (Spanned) cs;
final Object[] actualSpans = spanned.getSpans(0, spanned.length(), Object.class);
for (Object actualSpan : actualSpans) {
if (actualSpan == expectedSpan) {
final int actualStart = spanned.getSpanStart(actualSpan);
final int actualEnd = spanned.getSpanEnd(actualSpan);
final int actualFlags = spanned.getSpanFlags(actualSpan);
assertEquals(expectedStart, actualStart);
assertEquals(expectedEnd, actualEnd);
assertEquals(expectedFlags, actualFlags);
return;
}
}
assertTrue(false);
}
public void testSplitCharSequenceWithSpan() {
// text: " a bcd efg hij "
// span1: ^^^^^^^
// span2: ^^^^^
// span3: ^
final SpannableString spannableString = new SpannableString(" a bcd efg hij ");
final Object span1 = new Object();
final Object span2 = new Object();
final Object span3 = new Object();
final int SPAN1_FLAGS = Spanned.SPAN_EXCLUSIVE_EXCLUSIVE;
final int SPAN2_FLAGS = Spanned.SPAN_EXCLUSIVE_INCLUSIVE;
final int SPAN3_FLAGS = Spanned.SPAN_INCLUSIVE_INCLUSIVE;
spannableString.setSpan(span1, 0, 7, SPAN1_FLAGS);
spannableString.setSpan(span2, 0, 5, SPAN2_FLAGS);
spannableString.setSpan(span3, 12, 13, SPAN3_FLAGS);
final CharSequence[] charSequencesFromSpanned = SpannableStringUtils.split(
spannableString, " ", true /* preserveTrailingEmptySegmengs */);
final CharSequence[] charSequencesFromString = SpannableStringUtils.split(
spannableString.toString(), " ", true /* preserveTrailingEmptySegmengs */);
assertEquals(7, charSequencesFromString.length);
assertEquals(7, charSequencesFromSpanned.length);
// text: ""
// span1: ^
// span2: ^
// span3:
assertEquals("", charSequencesFromString[0].toString());
assertSpanCount(0, charSequencesFromString[0]);
assertEquals("", charSequencesFromSpanned[0].toString());
assertSpanCount(2, charSequencesFromSpanned[0]);
assertSpan(charSequencesFromSpanned[0], span1, 0, 0, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[0], span2, 0, 0, SPAN2_FLAGS);
// text: "a"
// span1: ^
// span2: ^
// span3:
assertEquals("a", charSequencesFromString[1].toString());
assertSpanCount(0, charSequencesFromString[1]);
assertEquals("a", charSequencesFromSpanned[1].toString());
assertSpanCount(2, charSequencesFromSpanned[1]);
assertSpan(charSequencesFromSpanned[1], span1, 0, 1, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[1], span2, 0, 1, SPAN2_FLAGS);
// text: "bcd"
// span1: ^^^
// span2: ^^
// span3:
assertEquals("bcd", charSequencesFromString[2].toString());
assertSpanCount(0, charSequencesFromString[2]);
assertEquals("bcd", charSequencesFromSpanned[2].toString());
assertSpanCount(2, charSequencesFromSpanned[2]);
assertSpan(charSequencesFromSpanned[2], span1, 0, 3, SPAN1_FLAGS);
assertSpan(charSequencesFromSpanned[2], span2, 0, 2, SPAN2_FLAGS);
// text: "efg"
// span1:
// span2:
// span3:
assertEquals("efg", charSequencesFromString[3].toString());
assertSpanCount(0, charSequencesFromString[3]);
assertEquals("efg", charSequencesFromSpanned[3].toString());
assertSpanCount(0, charSequencesFromSpanned[3]);
// text: "hij"
// span1:
// span2:
// span3: ^
assertEquals("hij", charSequencesFromString[4].toString());
assertSpanCount(0, charSequencesFromString[4]);
assertEquals("hij", charSequencesFromSpanned[4].toString());
assertSpanCount(1, charSequencesFromSpanned[4]);
assertSpan(charSequencesFromSpanned[4], span3, 1, 2, SPAN3_FLAGS);
// text: ""
// span1:
// span2:
// span3:
assertEquals("", charSequencesFromString[5].toString());
assertSpanCount(0, charSequencesFromString[5]);
assertEquals("", charSequencesFromSpanned[5].toString());
assertSpanCount(0, charSequencesFromSpanned[5]);
// text: ""
// span1:
// span2:
// span3:
assertEquals("", charSequencesFromString[6].toString());
assertSpanCount(0, charSequencesFromString[6]);
assertEquals("", charSequencesFromSpanned[6].toString());
assertSpanCount(0, charSequencesFromSpanned[6]);
}
public void testSplitCharSequencePreserveTrailingEmptySegmengs() {
assertEquals(1, SpannableStringUtils.split("", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split(new SpannedString(""), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split("", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(1, SpannableStringUtils.split(new SpannedString(""), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(0, SpannableStringUtils.split(" ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(0, SpannableStringUtils.split(new SpannedString(" "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(2, SpannableStringUtils.split(" ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(2, SpannableStringUtils.split(new SpannedString(" "), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(3, SpannableStringUtils.split("a b c ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(3, SpannableStringUtils.split(new SpannedString("a b c "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(5, SpannableStringUtils.split("a b c ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(5, SpannableStringUtils.split(new SpannedString("a b c "), " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(6, SpannableStringUtils.split("a b ", " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(6, SpannableStringUtils.split(new SpannedString("a b "), " ",
false /* preserveTrailingEmptySegmengs */).length);
assertEquals(7, SpannableStringUtils.split("a b ", " ",
true /* preserveTrailingEmptySegmengs */).length);
assertEquals(7, SpannableStringUtils.split(new SpannedString("a b "), " ",
true /* preserveTrailingEmptySegmengs */).length);
}
}