/** * Tests {@link BOM#getInstance(String)}. */ @Test public void testBOMResolution() { for (BOM bom : SUPPORTED_BOMS) { // Test case variations assert bom.equals(BOM.getInstance(bom.getEncoding().toLowerCase())); assert bom.equals(BOM.getInstance(bom.getEncoding().toUpperCase())); } // Test non-UTF encodings assert BOM.getInstance("ISO-8859-1") == null; assert BOM.getInstance("Shift_JIS") == null; // Test UTF aliases assert BOMConstants.UTF16_BE_BOM.equals(BOM.getInstance("UnicodeBig")); assert BOMConstants.UTF16_BE_BOM.equals(BOM.getInstance("UnicodeBigUnmarked")); assert BOMConstants.UTF16_BE_BOM.equals(BOM.getInstance("UTF-16")); assert BOMConstants.UTF16_LE_BOM.equals(BOM.getInstance("UnicodeLittle")); assert BOMConstants.UTF16_LE_BOM.equals(BOM.getInstance("UnicodeLittleUnmarked")); assert BOMConstants.UTF32_BE_BOM.equals(BOM.getInstance("UTF-32")); }
/** * Tests {@link BOM} comparison methods. */ @Test public void testBOMComparisons() { // Tests BOM#sigStartsWith method assert UTF8_BOM.sigStartsWith(new byte[]{(byte)0xEF, (byte)0xBB}); assert UTF8_BOM.sigStartsWith(new byte[]{(byte)0xEF, (byte)0xBB, (byte)0xBF}); assert !UTF8_BOM.sigStartsWith(new byte[]{(byte)0xAA}); assert !UTF8_BOM.sigStartsWith(new byte[]{(byte)0xEF, (byte)0xBB, (byte)0xBF, (byte)0xAA}); // Tests BOM#sigEquals method assert UTF8_BOM.sigEquals(UTF8_BOM.getSignature()); assert !UTF8_BOM.sigEquals(UTF16_LE_BOM.getSignature()); // Tests BOM#equals method assert UTF8_BOM.equals(UTF8_BOM); assert !UTF8_BOM.equals(UTF16_LE_BOM); assert !UTF8_BOM.equals(new Object()); }
/** * Tests {@link BOMWriter}. * * @throws IOException should not happen */ @Test public void testBOMWriter() throws IOException { String testString = "This is a test"; ByteArrayOutputStream baos; BOMWriter bomWriter; BOMInputStream bomIn; for (BOM bom : SUPPORTED_BOMS) { baos = new ByteArrayOutputStream(); bomWriter = new BOMWriter(baos, bom.getEncoding()); bomWriter.write(testString); bomWriter.close(); bomIn = getBOMInputStream(baos.toByteArray()); assert bom.equals(bomIn.getBOM()); assertStreamEquals(testString.getBytes(bom.getEncoding()), bomIn); assertEOF(bomIn); } }