/*
* Copyright 2011 The authors
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.intellij.lang.ognl.psi;
import com.intellij.lang.ognl.OgnlLanguage;
import com.intellij.lang.ognl.parsing.OgnlElementTypes;
import org.intellij.lang.annotations.Language;
/**
* {@link OgnlConditionalExpression}.
*
* @author Yann Cébron
*/
public class ConditionalExpressionPsiTest extends PsiTestCase {
public void testSimple() {
final OgnlConditionalExpression expression = parse("true ? 0:1");
final OgnlExpression condition = expression.getCondition();
assertEquals("true", condition.getText());
assertElementType(OgnlElementTypes.BOOLEAN_LITERAL, condition);
final OgnlExpression thenExpression = expression.getThen();
assertEquals(0, thenExpression.getConstantValue());
assertElementType(OgnlElementTypes.INTEGER_LITERAL, thenExpression);
final OgnlExpression elseExpression = expression.getElse();
assertEquals(1, elseExpression.getConstantValue());
assertElementType(OgnlElementTypes.INTEGER_LITERAL, elseExpression);
}
public void testConditionalWithVar() {
parse("#this > 100 ? 2 * this : 20+#this");
}
public void testVariableExpressionInThen() {
final OgnlConditionalExpression expression = parse("true ? #this : 1");
final OgnlExpression thenExpression = expression.getThen();
assertElementType(OgnlElementTypes.VARIABLE_EXPRESSION, thenExpression);
}
public void testBinaryExpressionInThen() {
final OgnlConditionalExpression expression = parse("true ? 1 + 2 : 1");
final OgnlExpression thenExpression = expression.getThen();
assertElementType(OgnlElementTypes.BINARY_EXPRESSION, thenExpression);
}
public void testParenthesizedExpressionInThen() {
final OgnlConditionalExpression expression = parse("true ? (1 + 2) : 1");
final OgnlExpression thenExpression = expression.getThen();
assertElementType(OgnlElementTypes.PARENTHESIZED_EXPRESSION, thenExpression);
}
private OgnlConditionalExpression parse(@Language(value = OgnlLanguage.ID,
prefix = OgnlLanguage.EXPRESSION_PREFIX,
suffix = OgnlLanguage.EXPRESSION_SUFFIX) final String expression) {
return (OgnlConditionalExpression) parseSingleExpression(expression);
}
}