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/*
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.stream.Collectors;
import org.testng.ITestResult;
import org.testng.annotations.AfterMethod;
import org.testng.annotations.Test;
import tools.javac.combo.JavacTemplateTestBase;
import static java.util.stream.Collectors.toList;
@Test
public class ScopeTest extends JavacTemplateTestBase {
private static String st_block(String... statements) {
return Arrays.stream(statements).collect(Collectors.joining("", "{", "}"));
}
private static String st_if(String condition, String then, String els) {
return "if (" + condition + ") " + then + " else " + els;
}
private static String st_while(String condition, String body) {
return "while (" + condition + ") " + body;
}
private static String st_do_while(String body, String condition) {
return "do " + body + " while (" + condition + ");";
}
private static String st_for(String init, String condition, String update, String body) {
return "for (" + init + "; " + condition + "; " + update + ") " + body;
}
private static String st_s_use() {
return "s.length();";
}
private static String st_break() {
return "break;";
}
private static String st_return() {
return "return;";
}
private static String st_noop() {
return ";";
}
private static String expr_empty() {
return "";
}
private static String expr_o_match_str() {
return "o instanceof String s";
}
private static String expr_not(String expr) {
return "!(" + expr + ")";
}
@AfterMethod
public void dumpTemplateIfError(ITestResult result) {
// Make sure offending template ends up in log file on failure
if (!result.isSuccess()) {
System.err.printf("Diagnostics: %s%nTemplate: %s%n", diags.errorKeys(), sourceFiles.stream().map(p -> p.snd).collect(toList()));
}
}
private void program(String block) {
String s = "class C { void m(Object o) " + block + "}";
addSourceFile("C.java", s);
}
private void assertOK(String block) {
reset();
program(block);
try {
compile();
}
catch (IOException e) {
throw new RuntimeException(e);
}
assertCompileSucceeded();
}
private void assertFail(String expectedDiag, String block) {
reset();
program(block);
try {
compile();
}
catch (IOException e) {
throw new RuntimeException(e);
}
assertCompileFailed(expectedDiag);
}
public void testIf() {
assertOK(st_block(st_if(expr_o_match_str(), st_s_use(), st_return()), st_s_use()));
assertOK(st_block(st_if(expr_not(expr_o_match_str()), st_return(), st_s_use()), st_s_use()));
assertFail("compiler.err.cant.resolve.location", st_block(st_if(expr_o_match_str(), st_s_use(), st_noop()), st_s_use()));
assertFail("compiler.err.cant.resolve.location", st_block(st_if(expr_not(expr_o_match_str()), st_noop(), st_s_use()), st_s_use()));
}
public void testWhile() {
assertOK(st_block(st_while(expr_not(expr_o_match_str()), st_noop()), st_s_use()));
assertFail("compiler.err.cant.resolve.location", st_block(st_while(expr_not(expr_o_match_str()), st_break()), st_s_use()));
}
public void testDoWhile() {
assertOK(st_block(st_do_while(st_noop(), expr_not(expr_o_match_str())), st_s_use()));
assertFail("compiler.err.cant.resolve.location", st_block(st_do_while(st_break(), expr_not(expr_o_match_str())), st_s_use()));
}
public void testFor() {
assertOK(st_block(st_for(expr_empty(), expr_not(expr_o_match_str()), expr_empty(), st_noop()), st_s_use()));
assertFail("compiler.err.cant.resolve.location", st_block(st_for(expr_empty(), expr_not(expr_o_match_str()), expr_empty(), st_break()), st_s_use()));
}
}
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