CompileExcludingDependency.java

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/*
 * @test
 * @summary Tests compiling class A that depends on class B without compiling class B
 * @bug 8054689
 * @author Fredrik O
 * @author sogoel (rewrite)
 * @library /tools/lib
 * @modules jdk.compiler/com.sun.tools.javac.api
 *          jdk.compiler/com.sun.tools.javac.main
 *          jdk.compiler/com.sun.tools.sjavac
 * @build Wrapper toolbox.ToolBox
 * @run main Wrapper CompileExcludingDependency
 */

import java.util.*;
import java.nio.file.*;

public class CompileExcludingDependency extends SJavacTester {
    public static void main(String... args) throws Exception {
        CompileExcludingDependency ced = new CompileExcludingDependency();
        ced.test();
    }

    // Verify that excluding classes from compilation but not from linking works
    void test() throws Exception {
        Files.createDirectories(BIN);
        Map<String,Long> previous_bin_state = collectState(BIN);
        tb.writeFile(GENSRC.resolve("alfa/omega/A.java"),
                     "package alfa.omega; public class A { beta.B b; }");
        tb.writeFile(GENSRC.resolve("beta/B.java"),
                     "package beta; public class B { }");

        compile("-x", "beta/*",
                "-src", GENSRC.toString(),
                "-x", "alfa/omega/*",
                "-sourcepath", GENSRC.toString(),
                "-d", BIN.toString(),
                "--state-dir=" + BIN);

        Map<String,Long> new_bin_state = collectState(BIN);
        verifyThatFilesHaveBeenAdded(previous_bin_state, new_bin_state,
                                     BIN + "/alfa/omega/A.class",
                                     BIN + "/javac_state");
    }
}