@Test
public void testReplace() throws Exception {
String inString = "a6AazAaa77abaa";
String oldPattern = "aa";
String newPattern = "foo";
// Simple replace
String s = StringUtils.replace(inString, oldPattern, newPattern);
assertTrue("Replace 1 worked", s.equals("a6AazAfoo77abfoo"));
// Non match: no change
s = StringUtils.replace(inString, "qwoeiruqopwieurpoqwieur", newPattern);
assertTrue("Replace non matched is equal", s.equals(inString));
// Null new pattern: should ignore
s = StringUtils.replace(inString, oldPattern, null);
assertTrue("Replace non matched is equal", s.equals(inString));
// Null old pattern: should ignore
s = StringUtils.replace(inString, null, newPattern);
assertTrue("Replace non matched is equal", s.equals(inString));
}
