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/*
* Copyright (c) 2009, 2016, 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.
*/
/* @test
* @bug 6813059
* @summary
* @modules jdk.compiler
*/
import java.io.*;
import java.util.*;
// Simple test of --should-stop:at.
// For each of the permissable values, we compile a file with an error in it,
// then using -XDverboseCompilePolicy we check that the compilation gets as
// far as expected, but no further.
public class Test {
enum ShouldStopPolicy {
BLANK(false, null, "attr"),
PROCESS(true, null, "attr"),
ATTR(true, "attr", "flow"),
FLOW(true, "flow", "desugar"),
TRANSTYPES(true, "desugar", "generate"),
LOWER(true, "desugar", "generate"),
GENERATE(true, "generate", null);
ShouldStopPolicy(boolean needOption, String expect, String dontExpect) {
this.needOption = needOption;
this.expect = expect;
this.dontExpect = dontExpect;
}
boolean needOption;
String expect;
String dontExpect;
}
enum CompilePolicy {
BYFILE,
BYTODO
}
public static void main(String... args) throws Exception {
new Test().run();
}
public void run() throws Exception {
for (CompilePolicy cp: CompilePolicy.values()) {
for (ShouldStopPolicy ssp: ShouldStopPolicy.values()) {
test(cp, ssp);
}
}
if (errors > 0)
throw new Exception(errors + " errors occurred");
}
public void test(CompilePolicy cp, ShouldStopPolicy ssp) {
System.err.println();
System.err.println("test " + cp + " " + ssp);
List<String> args = new ArrayList<String>();
args.add("-XDverboseCompilePolicy");
args.add("-XDcompilePolicy=" + cp.toString().toLowerCase());
args.add("-d");
args.add(".");
if (ssp.needOption)
args.add("--should-stop:at=" + ssp);
args.add(new File(System.getProperty("test.src", "."), "A.java").getPath());
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw);
System.err.println("compile " + args);
int rc = com.sun.tools.javac.Main.compile(args.toArray(new String[args.size()]), pw);
if (rc == 0)
throw new Error("compilation succeeded unexpectedly");
//System.err.println(sw);
// The following is a workaround for the current javac implementation,
// that in bytodo mode, it will still attribute files after syntax errors.
// Changing that behavior may surprise existing users, so for now, we
// work around it.
if (cp == CompilePolicy.BYTODO && ssp == ShouldStopPolicy.PROCESS)
ssp = ShouldStopPolicy.ATTR;
boolean foundExpected = (ssp.expect == null);
String[] lines = sw.toString().split("\n");
for (String line: lines) {
if (ssp.expect != null && line.startsWith("[" + ssp.expect))
foundExpected = true;
if (ssp.dontExpect != null && line.startsWith("[" + ssp.dontExpect)) {
error("Unexpected output: " + ssp.dontExpect + "\n" + sw);
return;
}
}
if (!foundExpected)
error("Expected output not found: " + ssp.expect + "\n" + sw);
}
void error(String message) {
System.err.println(message);
errors++;
}
int errors;
}
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