public void testJoin() { assertEquals("", Chars.join(",", EMPTY)); assertEquals("1", Chars.join(",", '1')); assertEquals("1,2", Chars.join(",", '1', '2')); assertEquals("123", Chars.join("", '1', '2', '3')); }
public void testLastIndexOf() { assertEquals(-1, Chars.lastIndexOf(EMPTY, (char) 1)); assertEquals(-1, Chars.lastIndexOf(ARRAY1, (char) 2)); assertEquals(-1, Chars.lastIndexOf(ARRAY234, (char) 1)); assertEquals(0, Chars.lastIndexOf(new char[] {(char) -1}, (char) -1)); assertEquals(0, Chars.lastIndexOf(ARRAY234, (char) 2)); assertEquals(1, Chars.lastIndexOf(ARRAY234, (char) 3)); assertEquals(2, Chars.lastIndexOf(ARRAY234, (char) 4)); assertEquals( 3, Chars.lastIndexOf(new char[] {(char) 2, (char) 3, (char) 2, (char) 3}, (char) 3)); }
public void testMax() { assertEquals(LEAST, Chars.max(LEAST)); assertEquals(GREATEST, Chars.max(GREATEST)); assertEquals( (char) 9, Chars.max((char) 8, (char) 6, (char) 7, (char) 5, (char) 3, (char) 0, (char) 9)); }
public void testSaturatedCast() { for (char value : VALUES) { assertEquals(value, Chars.saturatedCast((long) value)); } assertEquals(GREATEST, Chars.saturatedCast(GREATEST + 1L)); assertEquals(LEAST, Chars.saturatedCast(LEAST - 1L)); assertEquals(GREATEST, Chars.saturatedCast(Long.MAX_VALUE)); assertEquals(LEAST, Chars.saturatedCast(Long.MIN_VALUE)); }
public void testIndexOf() { assertEquals(-1, Chars.indexOf(EMPTY, (char) 1)); assertEquals(-1, Chars.indexOf(ARRAY1, (char) 2)); assertEquals(-1, Chars.indexOf(ARRAY234, (char) 1)); assertEquals(0, Chars.indexOf(new char[] {(char) -1}, (char) -1)); assertEquals(0, Chars.indexOf(ARRAY234, (char) 2)); assertEquals(1, Chars.indexOf(ARRAY234, (char) 3)); assertEquals(2, Chars.indexOf(ARRAY234, (char) 4)); assertEquals(1, Chars.indexOf(new char[] {(char) 2, (char) 3, (char) 2, (char) 3}, (char) 3)); }
public void testMin() { assertEquals(LEAST, Chars.min(LEAST)); assertEquals(GREATEST, Chars.min(GREATEST)); assertEquals( (char) 0, Chars.min((char) 8, (char) 6, (char) 7, (char) 5, (char) 3, (char) 0, (char) 9)); }
@GwtIncompatible // Chars.fromByteArray, Chars.toByteArray public void testByteArrayRoundTrips() { char c = 0; for (int hi = 0; hi < 256; hi++) { for (int lo = 0; lo < 256; lo++) { char result = Chars.fromByteArray(new byte[] {(byte) hi, (byte) lo}); assertEquals( String.format( Locale.ROOT, "hi=%s, lo=%s, expected=%s, result=%s", hi, lo, (int) c, (int) result), c, result); byte[] bytes = Chars.toByteArray(c); assertEquals((byte) hi, bytes[0]); assertEquals((byte) lo, bytes[1]); c++; } } assertEquals((char) 0, c); // sanity check }
public void testAsList_isAView() { char[] array = {(char) 0, (char) 1}; List<Character> list = Chars.asList(array); list.set(0, (char) 2); assertTrue(Arrays.equals(new char[] {(char) 2, (char) 1}, array)); array[1] = (char) 3; assertEquals(Arrays.asList((char) 2, (char) 3), list); }
public void testConstrainToRange() { assertEquals((char) 1, Chars.constrainToRange((char) 1, (char) 0, (char) 5)); assertEquals((char) 1, Chars.constrainToRange((char) 1, (char) 1, (char) 5)); assertEquals((char) 3, Chars.constrainToRange((char) 1, (char) 3, (char) 5)); assertEquals((char) 254, Chars.constrainToRange((char) 255, (char) 250, (char) 254)); assertEquals((char) 2, Chars.constrainToRange((char) 5, (char) 2, (char) 2)); try { Chars.constrainToRange((char) 1, (char) 3, (char) 2); fail(); } catch (IllegalArgumentException expected) { } }
@GwtIncompatible // Chars.fromByteArray public void testFromByteArray() { assertEquals('\u2345', Chars.fromByteArray(new byte[] {0x23, 0x45, (byte) 0xDC})); assertEquals('\uFEDC', Chars.fromByteArray(new byte[] {(byte) 0xFE, (byte) 0xDC})); }
public void testToArray_threadSafe() { for (int delta : new int[] {+1, 0, -1}) { for (int i = 0; i < VALUES.length; i++) { List<Character> list = Chars.asList(VALUES).subList(0, i); Collection<Character> misleadingSize = Helpers.misleadingSizeCollection(delta); misleadingSize.addAll(list); char[] arr = Chars.toArray(misleadingSize); assertEquals(i, arr.length); for (int j = 0; j < i; j++) { assertEquals(VALUES[j], arr[j]); } } } }
@GwtIncompatible // Chars.fromBytes public void testFromBytes() { assertEquals('\u2345', Chars.fromBytes((byte) 0x23, (byte) 0x45)); assertEquals('\uFEDC', Chars.fromBytes((byte) 0xFE, (byte) 0xDC)); }
public void testCompare() { for (char x : VALUES) { for (char y : VALUES) { // note: spec requires only that the sign is the same assertEquals(x + ", " + y, Character.valueOf(x).compareTo(y), Chars.compare(x, y)); } } }
public void testAsList_toArray_roundTrip() { char[] array = {(char) 0, (char) 1, (char) 2}; List<Character> list = Chars.asList(array); char[] newArray = Chars.toArray(list); // Make sure it returned a copy list.set(0, (char) 4); assertTrue(Arrays.equals(new char[] {(char) 0, (char) 1, (char) 2}, newArray)); newArray[1] = (char) 5; assertEquals((char) 1, (char) list.get(1)); }
public void testHashCode() { for (char value : VALUES) { assertEquals(((Character) value).hashCode(), Chars.hashCode(value)); } }
public void testIndexOf_arrayTarget() { assertEquals(0, Chars.indexOf(EMPTY, EMPTY)); assertEquals(0, Chars.indexOf(ARRAY234, EMPTY)); assertEquals(-1, Chars.indexOf(EMPTY, ARRAY234)); assertEquals(-1, Chars.indexOf(ARRAY234, ARRAY1)); assertEquals(-1, Chars.indexOf(ARRAY1, ARRAY234)); assertEquals(0, Chars.indexOf(ARRAY1, ARRAY1)); assertEquals(0, Chars.indexOf(ARRAY234, ARRAY234)); assertEquals(0, Chars.indexOf(ARRAY234, new char[] {(char) 2, (char) 3})); assertEquals(1, Chars.indexOf(ARRAY234, new char[] {(char) 3, (char) 4})); assertEquals(1, Chars.indexOf(ARRAY234, new char[] {(char) 3})); assertEquals(2, Chars.indexOf(ARRAY234, new char[] {(char) 4})); assertEquals( 1, Chars.indexOf( new char[] {(char) 2, (char) 3, (char) 3, (char) 3, (char) 3}, new char[] {(char) 3})); assertEquals( 2, Chars.indexOf( new char[] {(char) 2, (char) 3, (char) 2, (char) 3, (char) 4, (char) 2, (char) 3}, new char[] {(char) 2, (char) 3, (char) 4})); assertEquals( 1, Chars.indexOf( new char[] {(char) 2, (char) 2, (char) 3, (char) 4, (char) 2, (char) 3, (char) 4}, new char[] {(char) 2, (char) 3, (char) 4})); assertEquals( -1, Chars.indexOf(
public void testCheckedCast() { for (char value : VALUES) { assertEquals(value, Chars.checkedCast((long) value)); } assertCastFails(GREATEST + 1L); assertCastFails(LEAST - 1L); assertCastFails(Long.MAX_VALUE); assertCastFails(Long.MIN_VALUE); }
public void testMin() { assertEquals(LEAST, Chars.min(LEAST)); assertEquals(GREATEST, Chars.min(GREATEST)); assertEquals((char) 0, Chars.min( (char) 8, (char) 6, (char) 7, (char) 5, (char) 3, (char) 0, (char) 9)); }
public void testCompare() { for (char x : VALUES) { for (char y : VALUES) { // note: spec requires only that the sign is the same assertEquals(x + ", " + y, Character.valueOf(x).compareTo(y), Chars.compare(x, y)); } } }
public void testCheckedCast() { for (char value : VALUES) { assertEquals(value, Chars.checkedCast((long) value)); } assertCastFails(GREATEST + 1L); assertCastFails(LEAST - 1L); assertCastFails(Long.MAX_VALUE); assertCastFails(Long.MIN_VALUE); }