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package com.vaadin.data.validator;
import org.junit.Test;
public class RegexpValidatorTest extends ValidatorTestBase {
@Test
public void testNullStringFails() {
assertPasses(null, new RegexpValidator("Should be 'abc'", "abc"));
}
@Test
public void testEmptyPatternMatchesEmptyString() {
assertPasses("", new RegexpValidator("Should be empty", "", true));
}
@Test
public void testEmptyPatternDoesNotMatchNonEmptyString() {
assertFails("x", new RegexpValidator("Should be empty", "", true));
}
@Test
public void testPatternMatchesString() {
RegexpValidator v = new RegexpValidator(
"Should be foo and bar repeating", "(foo|bar)+", true);
assertPasses("foo", v);
assertPasses("barfoo", v);
assertPasses("foobarbarbarfoobarfoofoobarbarfoofoofoobar", v);
}
@Test
public void testPatternDoesNotMatchString() {
RegexpValidator v = new RegexpValidator(
"Should be foo and bar repeating", "(foo|bar)+", true);
assertFails("", v);
assertFails("barf", v);
assertFails(" bar", v);
assertFails("foobarbarbarfoobar.foofoobarbarfoofoofoobar", v);
}
@Test
public void testEmptyPatternFoundInAnyString() {
RegexpValidator v = new RegexpValidator("Should always pass", "",
false);
assertPasses("", v);
assertPasses(" ", v);
assertPasses("qwertyuiopasdfghjklzxcvbnm", v);
}
@Test
public void testPatternFoundInString() {
RegexpValidator v = new RegexpValidator("Should contain a number",
"\\d+", false);
assertPasses("0", v);
assertPasses(" 123 ", v);
assertPasses("qwerty9iop", v);
}
@Test
public void testPatternNotFoundInString() {
RegexpValidator v = new RegexpValidator("Should contain a number",
"\\d+", false);
assertFails("", v);
assertFails("qwertyiop", v);
}
}
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