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package com.intellij.structuralsearch.impl.matcher.compiler;
import com.intellij.structuralsearch.MalformedPatternException;
import com.intellij.structuralsearch.MatchOptions;
import com.intellij.structuralsearch.MatchVariableConstraint;
import com.intellij.structuralsearch.UnsupportedPatternException;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
/**
* @author Bas Leijdekkers
*/
public class StringToConstraintsTransformerTest {
private MatchOptions myOptions;
@Before
public void setUp() throws Exception {
myOptions = new MatchOptions();
}
@Test(expected = MalformedPatternException.class)
public void testCharacterExpectedAfterQuote() {
test("' asdf");
}
@Test(expected = MalformedPatternException.class)
public void testUnexpectedEndOfPattern() {
test("'_a{");
}
@Test(expected = MalformedPatternException.class)
public void testDigitExpected() {
test("'a{a");
}
@Test(expected = MalformedPatternException.class)
public void testDigitExpected2() {
test("'a{1,a}");
}
@Test
public void testZeroOccurs() {
test("'a{,}");
final MatchVariableConstraint constraint = myOptions.getVariableConstraint("a");
assertEquals(0, constraint.getMinCount());
assertEquals(0, constraint.getMaxCount());
}
@Test(expected = MalformedPatternException.class)
public void testOverflow() {
test("'a{2147483648}");
}
@Test(expected = MalformedPatternException.class)
public void testMissingBrace() {
test("'a{1,3");
}
@Test(expected = MalformedPatternException.class)
public void testNoOptions() {
test("'a:");
}
@Test
public void testColon() {
test("for('_t 'a : '_b) {}");
assertEquals("for($t$ $a$ : $b$) {}", myOptions.getSearchPattern());
}
@Test(expected = MalformedPatternException.class)
public void testNoOptions2() {
test("'a:+");
}
@Test(expected = MalformedPatternException.class)
public void testUnclosedCondition() {
test("'a:[");
}
@Test(expected = MalformedPatternException.class)
public void testClosedCondition() {
test("'a:[]");
}
@Test(expected = MalformedPatternException.class)
public void testEmptyNegated() {
test("'a:[!]");
}
@Test(expected = UnsupportedPatternException.class)
public void testCondition() {
test("'a:[aap()]");
}
@Test(expected = UnsupportedPatternException.class)
public void testIncompleteCondition() {
test("'a:[regex(]");
}
@Test(expected = MalformedPatternException.class)
public void testIncompleteCondition2() {
test("'a:[regex()]");
}
@Test(expected = MalformedPatternException.class)
public void testIncompleteMultipleCondition() {
test("'a:[regex( a ) &&]");
}
@Test(expected = MalformedPatternException.class)
public void testInvalidRegularExpression() {
test("'a:x!(");
}
@Test
public void testMethodReference() {
test("'_a::'_b");
assertEquals("$a$::$b$", myOptions.getSearchPattern());
}
private void test(String pattern) {
myOptions.setSearchPattern(pattern);
StringToConstraintsTransformer.transformOldPattern(myOptions);
}
}
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