// Copyright 2008 Google Inc.
//
// 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.google.minijoe.compiler;
import com.google.minijoe.compiler.ast.DeleteExpression;
import com.google.minijoe.compiler.ast.ExpressionStatement;
import com.google.minijoe.compiler.ast.Identifier;
import com.google.minijoe.compiler.ast.IncrementExpression;
import com.google.minijoe.compiler.ast.UnaryOperatorExpression;
/**
* @author Andy Hayward
*/
public class ParserUnaryExpressionTest extends AbstractParserTest {
public ParserUnaryExpressionTest() {
super();
}
public ParserUnaryExpressionTest(String name) {
super(name);
}
public void testDeleteExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new DeleteExpression(
new Identifier("foo")
)
),
"delete foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new DeleteExpression(
new Identifier("foo")
),
Token.KEYWORD_VOID
)
),
"void delete foo;"
);
}
public void testTypeOfExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.KEYWORD_TYPEOF
)
),
"typeof foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.KEYWORD_TYPEOF
),
Token.KEYWORD_VOID
)
),
"void typeof foo;"
);
}
public void testVoidExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.KEYWORD_VOID
)
),
"void foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.KEYWORD_VOID
),
Token.KEYWORD_VOID
)
),
"void void foo;"
);
}
public void testPrefixIncrementExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new Identifier("foo"), 1, false
)
),
"++foo;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new IncrementExpression(
new Identifier("foo"), 1, true
),
1, false
)
),
"++foo++;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new IncrementExpression(
new Identifier("foo"), 1, false
), 1, false
)
),
"++++foo;"
);
}
public void testPrefixDecrementExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new Identifier("foo"), -1, false
)
),
"--foo;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new IncrementExpression(
new Identifier("foo"), -1, true
), -1, false
)
),
"--foo--;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new IncrementExpression(
new Identifier("foo"), -1, false
), -1, false
)
),
"----foo;"
);
}
public void testUnaryPlusExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_PLUS
)
),
"+foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new IncrementExpression(
new Identifier("foo"), 1, true
),
Token.OPERATOR_PLUS
)
),
"+foo++;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_PLUS
), 1, false
)
),
"+++foo;"
);
}
public void testUnaryMinsExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_MINUS
)
),
"-foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new IncrementExpression(
new Identifier("foo"),
-1, true
), Token.OPERATOR_MINUS
)
),
"-foo--;"
);
assertParserOutput(
new ExpressionStatement(
new IncrementExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_MINUS
), -1, false
)
),
"---foo;"
);
}
public void testBitwiseNotExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_BITWISENOT
)
),
"~foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_BITWISENOT
),
Token.OPERATOR_BITWISENOT
)
),
"~~foo;"
);
}
public void testLogicalNotExpression() throws CompilerException {
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_LOGICALNOT
)
),
"!foo;"
);
assertParserOutput(
new ExpressionStatement(
new UnaryOperatorExpression(
new UnaryOperatorExpression(
new Identifier("foo"),
Token.OPERATOR_LOGICALNOT
),
Token.OPERATOR_LOGICALNOT
)
),
"!!foo;"
);
}
}