| /* |
| * Copyright (c) 2009, 2018, 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; |
| } |