@Test
public void testClearBlankLine() {
assertEquals("12345678", StringUtils.clearBlankLine("12345678"));
assertEquals(
StringUtils.escapeString("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n"),
StringUtils.escapeString(
StringUtils.clearBlankLine("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n\t\r\b\f\n")));
assertEquals(
StringUtils.escapeString("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n"),
StringUtils.escapeString(
StringUtils.clearBlankLine(
"\n\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r\b\f\n\t\n\n")));
assertEquals(
StringUtils.escapeString("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n"),
StringUtils.escapeString(
StringUtils.clearBlankLine(
" \t\n\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r\b\f\n\t\n\n \t")));
}
@Test
public void testTrimBlankLine() {
assertEquals("12345678", StringUtils.trimBlankLine("12345678"));
assertEquals("", StringUtils.escapeString(StringUtils.trimBlankLine("\t\r\b\f ")));
assertEquals("", StringUtils.escapeString(StringUtils.trimBlankLine("\n\t\b\f ")));
assertEquals("", StringUtils.escapeString(StringUtils.trimBlankLine("\t\b\f \n")));
assertEquals(
StringUtils.escapeString("\t\r"),
StringUtils.escapeString(StringUtils.trimBlankLine("\n\t\r\b\f ")));
assertEquals(
StringUtils.escapeString("\b\f \n"),
StringUtils.escapeString(StringUtils.trimBlankLine("\t\r\b\f \n")));
assertEquals(
StringUtils.escapeString("\b\f \n\t\n"),
StringUtils.escapeString(StringUtils.trimBlankLine("\t\r\b\f \n\t\n")));
assertEquals(
StringUtils.escapeString("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n\t\r\b\f\n"),
StringUtils.escapeString(
StringUtils.trimBlankLine("1\t2\n3\r4\b5\f6 \t7 \t\n\r\b\f8\n\t\r\b\f\n")));
assertEquals(
StringUtils.escapeString("\b\f\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r"),
StringUtils.escapeString(
StringUtils.trimBlankLine(
" \t\r\b\f\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r\b\f ")));
assertEquals(
StringUtils.escapeString("\t\r\b\f\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r\b\f\n"),
StringUtils.escapeString(
StringUtils.trimBlankLine(
" \t\n\t\r\b\f\n1\t2\n3\r4\b5\f6 \t7 \t\n\t\n\r\b\f8\n\t\r\b\f\n\t ")));
// LF
assertEquals("", StringUtils.trimBlankLine("\n"));
assertEquals("\n", StringUtils.trimBlankLine("\n\n"));
// CRLF
assertEquals("", StringUtils.trimBlankLine("\r\n"));
assertEquals("\r\n", StringUtils.trimBlankLine("\r\n\r\n"));
// CR
assertEquals("", StringUtils.trimBlankLine("\r"));
assertEquals("\r", StringUtils.trimBlankLine("\r\r"));
// Mix
assertEquals("\r\n", StringUtils.trimBlankLine("\r\r\n"));
// with blanks
assertEquals("", StringUtils.trimBlankLine(" \t \n \t "));
assertEquals("\n", StringUtils.trimBlankLine(" \t \n\n \t "));
}
@Test
public void testEscapeString() {
assertEquals(
"a\\\"b\\\"c\\\'d\\\'e\\\\1\\t2\\n3\\r4\\b5\\f6",
StringUtils.escapeString("a\"b\"c\'d\'e\\1\t2\n3\r4\b5\f6"));
}