--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/test/langtools/tools/javac/lib/combo/ComboInstance.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2015, 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.
+ */
+
+package combo;
+
+import javax.tools.StandardJavaFileManager;
+import java.util.Optional;
+
+/**
+ * This class is the common superclass of all combo test instances. It defines few helper methods
+ * to build compilation tasks using the shared context object, as well as entry points for
+ * signalling test failures.
+ */
+public abstract class ComboInstance<X extends ComboInstance<X>> {
+
+ /** The test instance result status. */
+ private ResultStatus resultStatus = ResultStatus.PASSED;
+
+ /** The test instance execution environment. */
+ private ComboTestHelper<X>.Env env;
+
+ /**
+ * Entry point for executing a combo test instance; first, the test environment is saved
+ * in the corresponding field, then the instance is run (see {@link ComboInstance#doWork()}.
+ * During execution, the result status will be updated to match the test outcome.
+ */
+ final void run(ComboTestHelper<X>.Env env) {
+ try {
+ this.env = env;
+ doWork();
+ if (resultStatus.isSuccess()) {
+ env.info().passCount++;
+ }
+ } catch (Throwable ex) {
+ resultStatus = ResultStatus.ERROR;
+ env.info().errCount++;
+ env.info().lastError = Optional.of(ex);
+ } finally {
+ this.env = null;
+ }
+ }
+
+ /**
+ * Retrieve a unique ID associated with this test instance.
+ */
+ public int id() {
+ return env.info().comboCount;
+ }
+
+ /**
+ * Retrieve shared file manager.
+ */
+ public StandardJavaFileManager fileManager() {
+ return env.fileManager();
+ }
+
+ /**
+ * Create a new compilation task using shared compilation context.
+ */
+ protected ComboTask newCompilationTask() {
+ return new ComboTask(env);
+ }
+
+ /**
+ * Main test execution entry point; subclasses must implement this method to define the test
+ * logic.
+ */
+ protected abstract void doWork() throws Throwable;
+
+ /**
+ * Report a test failure.
+ */
+ protected void fail() {
+ //dump some default info (such as dimension bindings)
+ fail("Combo instance failed; " + env.bindings);
+ }
+
+ /**
+ * Report a test failure with corresponding failure message.
+ */
+ protected void fail(String msg) {
+ resultStatus = ResultStatus.FAILED;
+ env.info().failCount++;
+ env.info().lastFailure = Optional.of(msg);
+ }
+
+ /**
+ * The status associated with this test instance execution.
+ */
+ enum ResultStatus {
+ /** Test passed. */
+ PASSED(true),
+ /** Test failed. */
+ FAILED(false),
+ /** Test thrown unexpected error/exception. */
+ ERROR(false);
+
+ boolean success;
+
+ ResultStatus(boolean success) {
+ this.success = success;
+ }
+
+ boolean isSuccess() {
+ return success;
+ }
+ }
+}
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