/*
* Copyright 2013 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.OgnlTypes;
import com.intellij.psi.PsiType;
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");
assertEquals(PsiType.INT, expression.getType());
final OgnlExpression condition = expression.getCondition();
assertEquals("true", condition.getText());
assertElementType(OgnlTypes.LITERAL_EXPRESSION, condition);
assertEquals(PsiType.BOOLEAN, condition.getType());
final OgnlExpression thenExpression = expression.getThen();
assertNotNull(thenExpression);
assertEquals("0", thenExpression.getText());
assertElementType(OgnlTypes.LITERAL_EXPRESSION, thenExpression);
final OgnlLiteralExpression thenLiteral = assertInstanceOf(thenExpression, OgnlLiteralExpression.class);
assertEquals(PsiType.INT, thenLiteral.getType());
assertEquals(0, thenLiteral.getConstantValue());
final OgnlExpression elseExpression = expression.getElse();
assertNotNull(elseExpression);
assertEquals("1", elseExpression.getText());
assertElementType(OgnlTypes.LITERAL_EXPRESSION, elseExpression);
final OgnlLiteralExpression elseLiteral = assertInstanceOf(elseExpression, OgnlLiteralExpression.class);
assertEquals(PsiType.INT, elseLiteral.getType());
assertEquals(1, elseLiteral.getConstantValue());
}
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(OgnlTypes.VARIABLE_EXPRESSION, thenExpression);
}
public void testBinaryExpressionInThen() {
final OgnlConditionalExpression expression = parse("true ? 1 + 2 : 1");
final OgnlExpression thenExpression = expression.getThen();
assertElementType(OgnlTypes.BINARY_EXPRESSION, thenExpression);
}
public void testParenthesizedExpressionInThen() {
final OgnlConditionalExpression expression = parse("true ? (1 + 2) : 1");
final OgnlExpression thenExpression = expression.getThen();
assertElementType(OgnlTypes.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);
}
}