@Test
public void repeat() {
Assert.assertEquals("", StringIterate.repeat("", 42));
Assert.assertEquals(" ", StringIterate.repeat(' ', 4));
Assert.assertEquals(" ", StringIterate.repeat(" ", 8));
Assert.assertEquals("CubedCubedCubed", StringIterate.repeat("Cubed", 3));
}
@Test
public void splitAtIndex() {
final String oompaLoompa = "oompaloompa";
Assert.assertEquals(Tuples.twin("oompa", "loompa"), StringIterate.splitAtIndex(oompaLoompa, 5));
Assert.assertEquals(Tuples.twin("", oompaLoompa), StringIterate.splitAtIndex(oompaLoompa, 0));
Assert.assertEquals(
Tuples.twin(oompaLoompa, ""),
StringIterate.splitAtIndex(oompaLoompa, oompaLoompa.length()));
Assert.assertEquals(Tuples.twin("", ""), StringIterate.splitAtIndex("", 0));
Verify.assertThrows(
StringIndexOutOfBoundsException.class,
new Runnable() {
public void run() {
StringIterate.splitAtIndex(oompaLoompa, 17);
}
});
Verify.assertThrows(
StringIndexOutOfBoundsException.class,
new Runnable() {
public void run() {
StringIterate.splitAtIndex(oompaLoompa, -8);
}
});
}
@Test
public void isAlphaNumeric() {
Assert.assertTrue(StringIterate.isAlphaNumeric("123"));
Assert.assertTrue(StringIterate.isAlphaNumeric("abc"));
Assert.assertTrue(StringIterate.isAlphaNumeric("123abc"));
Assert.assertFalse(StringIterate.isAlphaNumeric("!@#"));
Assert.assertFalse(StringIterate.isAlphaNumeric(""));
}
@Test
public void englishIsUpperLowerCase() {
String allValues =
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890~`!@#$%^&*()_-+=[]{};<>,.?/|";
String jdkUpper = allValues.toUpperCase();
String upper = StringIterate.englishToUpperCase(allValues);
Assert.assertEquals(jdkUpper.length(), upper.length());
Assert.assertEquals(jdkUpper, upper);
String jdkLower = allValues.toLowerCase();
String lower = StringIterate.englishToLowerCase(allValues);
Assert.assertEquals(jdkLower.length(), lower.length());
Assert.assertEquals(jdkLower, lower);
}
@Test
public void asTrimmedSortedList() {
String tokens = " Ted,Mary ";
MutableList<String> results = StringIterate.csvTrimmedTokensToSortedList(tokens);
Verify.assertSize(2, results);
Verify.assertStartsWith(results, "Mary", "Ted");
}
@Test
public void csvTokensToSet() {
String tokens = "Ted,Mary";
MutableSet<String> results = StringIterate.csvTokensToSet(tokens);
Verify.assertSize(2, results);
Verify.assertContainsAll(results, "Mary", "Ted");
}
@Test
public void toMap() {
String tokens = "1:Ted|2:Mary";
MutableMap<String, String> results = StringIterate.tokensToMap(tokens);
Verify.assertSize(2, results);
Verify.assertContainsKeyValue("1", "Ted", results);
Verify.assertContainsKeyValue("2", "Mary", results);
}
@Test
public void reverseForEachCodePoint() {
final StringBuffer buffer = new StringBuffer();
StringIterate.reverseForEach(
"1a2b3c",
new CodePointProcedure() {
public void value(int character) {
buffer.appendCodePoint(character);
}
});
Assert.assertEquals("c3b2a1", buffer.toString());
StringIterate.reverseForEach(
"",
new CodePointProcedure() {
public void value(int codePoint) {
Assert.fail();
}
});
}
@Test
public void toMapWithFunctions() {
String tokens = "1:Ted|2:Mary";
Function<String, String> stringPassThruFunction = Functions.getPassThru();
MutableMap<Integer, String> results =
StringIterate.tokensToMap(
tokens, "|", ":", Functions.getStringToInteger(), stringPassThruFunction);
Verify.assertSize(2, results);
Verify.assertContainsKeyValue(1, "Ted", results);
Verify.assertContainsKeyValue(2, "Mary", results);
}
@Test
public void forEach() {
final StringBuffer buffer = new StringBuffer();
StringIterate.forEach(
"1a2b3c",
new CharProcedure() {
public void value(char character) {
buffer.append(character);
}
});
Assert.assertEquals("1a2b3c", buffer.toString());
}
@Test
public void getFirstToken() {
Assert.assertEquals("alpha", StringIterate.getFirstToken("alpha~|~beta~|~charlie", "~|~"));
Assert.assertEquals("123", StringIterate.getFirstToken("123", "~|~"));
Assert.assertEquals("", StringIterate.getFirstToken("", "~|~"));
Assert.assertNull(StringIterate.getFirstToken(null, "~|~"));
Assert.assertEquals("123", StringIterate.getFirstToken("123~|~", "~|~"));
Assert.assertEquals("", StringIterate.getFirstToken("~|~123,", "~|~"));
}
@Test
public void forEachTrimmedToken() {
String tokens = "1 ,2 ";
final MutableList<Integer> list = Lists.mutable.of();
StringIterate.forEachTrimmedToken(
tokens,
",",
new CheckedProcedure<String>() {
@Override
public void safeValue(String string) {
list.add(Integer.valueOf(string));
}
});
Verify.assertSize(2, list);
Verify.assertContains(1, list);
Verify.assertContains(2, list);
}
@Test
public void collectCodePoint() {
Assert.assertEquals("ABC", StringIterate.collect("abc", CodePointFunction.TO_UPPERCASE));
Assert.assertEquals("abc", StringIterate.collect("abc", CodePointFunction.TO_LOWERCASE));
}
@Test
public void countCodePoint() {
int count = StringIterate.count("1a2a3", CodePointPredicate.IS_DIGIT);
Assert.assertEquals(3, count);
}
@Test
public void toSet() {
Verify.assertSetsEqual(
UnifiedSet.newSetWith('a', 'b', 'c', 'd', 'e'), StringIterate.toSet("aabcde"));
}
@Test
public void string() {
Assert.assertEquals("Token2", StringIterate.getLastToken("Token1DelimiterToken2", "Delimiter"));
}
@Test
public void padOrTrim() {
Assert.assertEquals("abcdefghijkl", StringIterate.padOrTrim("abcdefghijkl", 12));
Assert.assertEquals("this n", StringIterate.padOrTrim("this needs to be trimmed", 6));
Assert.assertEquals("pad this ", StringIterate.padOrTrim("pad this", 14));
}
@Test(expected = IllegalArgumentException.class)
public void occurrencesOf_multiple_character_string_throws() {
StringIterate.occurrencesOf("1a2a3", "abc");
}
@Test
public void occurrencesOfString() {
int count = StringIterate.occurrencesOf("1a2a3", "a");
Assert.assertEquals(2, count);
}
@Test
public void englishToUpperLowerCase() {
Assert.assertEquals("ABC", StringIterate.englishToUpperCase("abc"));
Assert.assertEquals("abc", StringIterate.englishToLowerCase("ABC"));
}
@Test
public void notEmptyOrWhitespace() {
Assert.assertFalse(StringIterate.notEmptyOrWhitespace(" "));
Assert.assertTrue(StringIterate.notEmptyOrWhitespace(" 1 "));
}
@Test
public void rejectCodePoint() {
String string = StringIterate.reject("1a2b3c", CodePointPredicate.IS_DIGIT);
Assert.assertEquals("abc", string);
}
@Test
public void occurrencesOfCodePoint() {
int count = StringIterate.occurrencesOf("1a2a3", "a".codePointAt(0));
Assert.assertEquals(2, count);
}
@Test
public void selectCodePoint() {
String string = StringIterate.select("1a2a3", CodePointPredicate.IS_DIGIT);
Assert.assertEquals("123", string);
}
@Test
public void englishToLowerCase() {
Assert.assertEquals("abc", StringIterate.englishToLowerCase("ABC"));
Assert.assertEquals("a,b,c", StringIterate.englishToLowerCase("A,B,C"));
Assert.assertSame("a,b,c", StringIterate.englishToLowerCase("a,b,c"));
}
@Test
public void notEmpty() {
Assert.assertFalse(StringIterate.notEmpty(""));
Assert.assertTrue(StringIterate.notEmpty(" "));
Assert.assertTrue(StringIterate.notEmpty("1"));
}
@Test
public void csvTrimmedTokenToList() {
String tokens = "1 ,2 ";
Assert.assertEquals(
FastList.newListWith("1", "2"), StringIterate.csvTrimmedTokensToList(tokens));
}
@Test
public void count2CodePoint() {
int count = StringIterate.count("1a2a3", CodePointPredicate.IS_UNDEFINED);
Assert.assertEquals(0, count);
}
@Test
public void detect() {
char character = StringIterate.detect("1a2a3", CharPredicate.IS_LETTER);
Assert.assertEquals('a', character);
}
@Test
public void injectIntoTokens() {
Assert.assertEquals(
"123", StringIterate.injectIntoTokens("1,2,3", ",", null, AddFunction.STRING));
}
