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/*
* Copyright (C) 2022, The Android Open Source Project
*
* 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.android.xsdc.cpp;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import com.android.xsdc.FileSystem;
import com.android.xsdc.XmlSchema;
import com.android.xsdc.XsdHandler;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.nio.charset.StandardCharsets;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
public class TestCppCodeGenerator {
public static final String SCHEMA = "<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">\n"
+ " <xs:element name=\"class\" type=\"xs:string\" />\n"
+ "</xs:schema>";
@Test
public void testParseSchema() throws Exception {
XmlSchema schema = parseSchema(SCHEMA);
assertEquals(schema.getElementMap().keySet(), Set.of("class"));
}
@Test
public void testSimpleTypeRootParser() throws Exception {
// We need two root elements to generate reader with element name.
String schema = "<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">\n"
+ " <xs:element name=\"simple-type-element\" type=\"xs:string\" />\n"
+ " <xs:element name=\"another-root\" type=\"xs:string\" />\n"
+ "</xs:schema>";
Map<String, StringBuffer> files = new TreeMap<>();
CppCodeGenerator gen =
new CppCodeGenerator(
parseSchema(schema),
"com.abc",
/*writer=*/ true,
CppCodeGenerator.GENERATE_PARSER,
false,
false,
null);
FileSystem fs = new FileSystem(files);
gen.print(fs);
assertTrue(files.get("com_abc.cpp").toString().contains("readSimpleTypeElement"));
assertTrue(files.get("com_abc.cpp").toString().contains("writeSimpleTypeElement"));
}
@Test
public void testPrintWithoutEnumOutput() throws Exception {
Map<String, StringBuffer> files = new TreeMap<>();
CppCodeGenerator gen =
new CppCodeGenerator(
parseSchema(SCHEMA),
"com.abc",
false,
CppCodeGenerator.GENERATE_PARSER,
false,
false,
null);
FileSystem fs = new FileSystem(files);
gen.print(fs);
assertEquals(files.keySet(), Set.of("com_abc.cpp", "include/com_abc.h"));
}
@Test
public void printWithEnumOutput() throws Exception {
Map<String, StringBuffer> files = new TreeMap<>();
CppCodeGenerator gen =
new CppCodeGenerator(
parseSchema(SCHEMA),
"com.abc",
false,
CppCodeGenerator.GENERATE_PARSER | CppCodeGenerator.GENERATE_ENUMS,
false,
false,
null);
FileSystem fs = new FileSystem(files);
gen.print(fs);
assertEquals(
files.keySet(),
Set.of(
"com_abc.cpp",
"include/com_abc.h",
"com_abc_enums.cpp",
"include/com_abc_enums.h"));
}
private XmlSchema parseSchema(String contents) throws Exception {
byte[] bytes = contents.getBytes(StandardCharsets.UTF_8);
SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
SAXParser parser = factory.newSAXParser();
XsdHandler xsdHandler = new XsdHandler();
parser.parse(new ByteArrayInputStream(bytes), xsdHandler);
return xsdHandler.getSchema();
}
@Test
public void generateParsersForSpecifiedRoot() throws Exception {
Map<String, StringBuffer> files = new TreeMap<>();
String schema = "<xs:schema xmlns:xs=\"http://www.w3.org/2001/XMLSchema\">\n"
+ " <xs:element name=\"root1\" type=\"xs:string\" />\n"
+ " <xs:element name=\"root2\" type=\"xs:string\" />\n"
+ "</xs:schema>";
CppCodeGenerator gen =
new CppCodeGenerator(
parseSchema(schema),
"com.abc",
false,
CppCodeGenerator.GENERATE_PARSER | CppCodeGenerator.GENERATE_ENUMS,
false,
false,
new String[]{"root1"});
FileSystem fs = new FileSystem(files);
gen.print(fs);
assertTrue(files.get("com_abc.cpp").toString().contains("readRoot1"));
assertFalse(files.get("com_abc.cpp").toString().contains("readRoot2"));
}
}
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