// 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.CaseStatement;
import com.google.minijoe.compiler.ast.ExpressionStatement;
import com.google.minijoe.compiler.ast.Identifier;
import com.google.minijoe.compiler.ast.NumberLiteral;
import com.google.minijoe.compiler.ast.Statement;
import com.google.minijoe.compiler.ast.SwitchStatement;
/**
* @author Andy Hayward
*/
public class ParserSwitchStatementTest extends AbstractParserTest {
//
// SwitchStatement : 'switch' '(' Expression ')' CaseBlock
//
// CaseBlock : '{' [CaseStatement]* [DefaultStatement] [CaseStatement]* '}'
//
// CaseStatement : 'case' Expression ':' [Statement]*
//
// DefaultStatement : 'default' ':' [Statement]*
//
public ParserSwitchStatementTest() {
super();
}
public ParserSwitchStatementTest(String name) {
super(name);
}
public void testSwitchStatement() throws CompilerException {
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
}
),
"switch (something) {}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
null,
new Statement[] {
new ExpressionStatement(
new Identifier("foo")
)
}
)
}
),
"switch (something) {default: foo;}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
new NumberLiteral(0),
new Statement[] {
new ExpressionStatement(
new Identifier("bar")
)
}
)
}
),
"switch (something) {case 0: bar;}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
new NumberLiteral(0),
new Statement[] {
new ExpressionStatement(
new Identifier("bar")
)
}
),
new CaseStatement(
new NumberLiteral(1),
new Statement[] {
new ExpressionStatement(
new Identifier("baz")
)
}
)
}
),
"switch (something) {case 0: bar; case 1: baz;}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
null,
new Statement[] {
new ExpressionStatement(
new Identifier("foo")
)
}
),
new CaseStatement(
new NumberLiteral(0),
new Statement[] {
new ExpressionStatement(
new Identifier("bar")
)
}
),
new CaseStatement(
new NumberLiteral(1),
new Statement[] {
new ExpressionStatement(
new Identifier("baz")
)
}
)
}
),
"switch (something) {default: foo; case 0: bar; case 1: baz;}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
new NumberLiteral(0),
new Statement[] {
new ExpressionStatement(
new Identifier("bar")
)
}
),
new CaseStatement(
null,
new Statement[] {
new ExpressionStatement(
new Identifier("foo")
)
}
),
new CaseStatement(
new NumberLiteral(1),
new Statement[] {
new ExpressionStatement(
new Identifier("baz")
)
}
)
}
),
"switch (something) {case 0: bar; default: foo; case 1: baz;}"
);
assertParserOutput(
new SwitchStatement(
new Identifier("something"),
new CaseStatement[] {
new CaseStatement(
new NumberLiteral(0),
new Statement[] {
new ExpressionStatement(
new Identifier("bar")
)
}
),
new CaseStatement(
new NumberLiteral(1),
new Statement[] {
new ExpressionStatement(
new Identifier("baz")
)
}
),
new CaseStatement(
null,
new Statement[] {
new ExpressionStatement(
new Identifier("foo")
)
}
)
}
),
"switch (something) {case 0: bar; case 1: baz; default: foo;}"
);
}
}