--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/modules/ServiceProvidedButNotExportedOrUsedTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 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 8145013
+ * @summary Javac doesn't report warnings/errors if module provides unexported service and doesn't use it itself
+ * @library /tools/lib
+ * @modules
+ *      jdk.compiler/com.sun.tools.javac.api
+ *      jdk.compiler/com.sun.tools.javac.main
+ * @build toolbox.ToolBox toolbox.JavacTask ModuleTestBase
+ * @run main ServiceProvidedButNotExportedOrUsedTest
+ */
+
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.Arrays;
+import java.util.List;
+
+import toolbox.JavacTask;
+import toolbox.Task;
+import toolbox.ToolBox;
+
+public class ServiceProvidedButNotExportedOrUsedTest extends ModuleTestBase {
+    public static void main(String... args) throws Exception {
+        ServiceProvidedButNotExportedOrUsedTest t = new ServiceProvidedButNotExportedOrUsedTest();
+        t.runTests();
+    }
+
+    @Test
+    public void testWarning(Path base) throws Exception {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src,
+                "module m { provides p1.C1 with p2.C2; }",
+                "package p1; public class C1 { }",
+                "package p2; public class C2 extends p1.C1 { }");
+        Path classes = base.resolve("classes");
+        Files.createDirectories(classes);
+
+        List<String> output = new JavacTask(tb)
+                .outdir(classes)
+                .options("-Werror", "-XDrawDiagnostics")
+                .files(findJavaFiles(src))
+                .run(Task.Expect.FAIL)
+                .writeAll()
+                .getOutputLines(Task.OutputKind.DIRECT);
+        List<String> expected = Arrays.asList(
+                "module-info.java:1:12: compiler.warn.service.provided.but.not.exported.or.used: p1.C1",
+                "- compiler.err.warnings.and.werror",
+                "1 error",
+                "1 warning");
+        if (!output.containsAll(expected)) {
+            throw new Exception("Expected output not found");
+        }
+    }
+
+    @Test
+    public void testImplementationMustBeInSameModuleAsProvidesDirective(Path base) throws Exception {
+        Path src = base.resolve("src");
+        tb.writeJavaFiles(src.resolve("m1x"),
+                "module m1x { exports p1; }",
+                "package p1; public class C1 { }");
+        tb.writeJavaFiles(src.resolve("m2x"),
+                "module m2x { requires m1x; requires m3x; provides p1.C1 with p2.C2; }");
+        tb.writeJavaFiles(src.resolve("m3x"),
+                "module m3x { requires m1x; exports p2; }",
+                "package p2; public class C2 extends p1.C1 { }");
+        Path modules = base.resolve("modules");
+        Files.createDirectories(modules);
+
+        List<String> output = new JavacTask(tb)
+                .options("-XDrawDiagnostics", "--module-source-path", src.toString())
+                .outdir(modules)
+                .files(findJavaFiles(src))
+                .run(Task.Expect.FAIL)
+                .writeAll()
+                .getOutputLines(Task.OutputKind.DIRECT);
+        List<String> expected = Arrays.asList(
+                "module-info.java:1:42: compiler.err.service.implementation.not.in.right.module: m3x",
+                "1 error");
+        if (!output.containsAll(expected)) {
+            throw new Exception("Expected output not found");
+        }
+    }
+}