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8202832: cycle detection depends on ordering of requires directives

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Ensuring cyclic dependencies among modules produce a compile-time error.

Reviewed-by: vromero
This commit is contained in:
Jan Lahoda 2018-05-29 10:53:55 +02:00
parent 60c5f60cbe
commit 5635d6f937
2 changed files with 62 additions and 6 deletions
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64
test/langtools/tools/javac/modules/ModuleInfoTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015, 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
@ -23,7 +23,7 @@
/*
* @test
* @bug 8158123 8161906 8162713
* @bug 8158123 8161906 8162713 8202832
* @summary tests for module declarations
* @library /tools/lib
* @modules
@ -37,6 +37,7 @@
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.Arrays;
import java.util.List;
import toolbox.JavacTask;
import toolbox.Task;
@ -740,4 +741,61 @@ public class ModuleInfoTest extends ModuleTestBase {
if (!log.contains("module-info.java:1:11: compiler.err.expected: '}'"))
throw new Exception("expected output not found");
}
}
@Test
public void testJDK8202832(Path base) throws Exception {
Path src = base.resolve("src");
tb.writeJavaFiles(src.resolve("m1a"),
"module m1a {\n" +
" requires m2a;\n" +
" requires m2b;\n" +
"}");
tb.writeJavaFiles(src.resolve("m1b"),
"module m1b {\n" +
" requires m2b;\n" +
" requires m2a;\n" +
"}");
tb.writeJavaFiles(src.resolve("m2a"),
"module m2a {\n" +
" requires m3;\n" +
" requires m1a;\n" +
" requires m1b;\n" +
"}");
tb.writeJavaFiles(src.resolve("m2b"),
"module m2b {\n" +
" requires m3;\n" +
" requires m1a;\n" +
" requires m1b;\n" +
"}");
tb.writeJavaFiles(src.resolve("m3"),
"module m3 { }");
Path classes = base.resolve("classes");
Files.createDirectories(classes);
List<String> log = new JavacTask(tb)
.options("-XDrawDiagnostics",
"--module-source-path", src.toString())
.outdir(classes)
.files(src.resolve("m1a").resolve("module-info.java"),
src.resolve("m1b").resolve("module-info.java"),
src.resolve("m2a").resolve("module-info.java"),
src.resolve("m2b").resolve("module-info.java"),
src.resolve("m3").resolve("module-info.java"))
.run(Task.Expect.FAIL)
.writeAll()
.getOutputLines(Task.OutputKind.DIRECT);
List<String> expected = List.of("module-info.java:2:14: compiler.err.cyclic.requires: m2b",
"module-info.java:3:14: compiler.err.cyclic.requires: m2a",
"module-info.java:3:14: compiler.err.cyclic.requires: m1a",
"module-info.java:4:14: compiler.err.cyclic.requires: m1b",
"module-info.java:2:14: compiler.err.cyclic.requires: m2a",
"module-info.java:3:14: compiler.err.cyclic.requires: m2b",
"module-info.java:3:14: compiler.err.cyclic.requires: m1a",
"module-info.java:4:14: compiler.err.cyclic.requires: m1b",
"8 errors");
if (!expected.equals(log))
throw new Exception("expected output not found");
}
}