langtools/test/jdk/jshell/ErrorTranslationTest.java
changeset 33362 65ec6de1d6b4
child 35359 f04501964016
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/ErrorTranslationTest.java	Mon Oct 19 19:15:16 2015 +0200
@@ -0,0 +1,162 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @summary Tests for shell error translation
+ * @library /tools/lib
+ * @build KullaTesting TestingInputStream ExpectedDiagnostic ToolBox Compiler
+ * @run testng ErrorTranslationTest
+ */
+
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.function.Consumer;
+
+import javax.tools.Diagnostic;
+
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+import static org.testng.Assert.assertTrue;
+
+@Test
+public class ErrorTranslationTest extends ReplToolTesting {
+
+    @Test(enabled = false) // TODO 8080353
+    public void testErrors() {
+        test(
+                a -> assertDiagnostic(a, "abstract void f();", newExpectedDiagnostic(0, 8, 0, -1, -1, Diagnostic.Kind.ERROR)),
+                a -> assertDiagnostic(a, "native void f();", newExpectedDiagnostic(0, 6, 0, -1, -1, Diagnostic.Kind.ERROR)),
+                a -> assertDiagnostic(a, "static void f();", newExpectedDiagnostic(0, 16, 0, -1, -1, Diagnostic.Kind.ERROR)),
+                a -> assertDiagnostic(a, "synchronized void f();", newExpectedDiagnostic(0, 12, 0, -1, -1, Diagnostic.Kind.ERROR)),
+                a -> assertDiagnostic(a, "default void f();", newExpectedDiagnostic(0, 7, 0, -1, -1, Diagnostic.Kind.ERROR))
+        );
+    }
+
+    public void testWarnings() {
+        List<ReplTest> list = new ArrayList<>();
+        ExpectedDiagnostic[] diagnostics = new ExpectedDiagnostic[]{
+                newExpectedDiagnostic(0, 6, 0, -1, -1, Diagnostic.Kind.WARNING),
+                newExpectedDiagnostic(0, 9, 0, -1, -1, Diagnostic.Kind.WARNING),
+                newExpectedDiagnostic(0, 7, 0, -1, -1, Diagnostic.Kind.WARNING),
+                newExpectedDiagnostic(0, 6, 0, -1, -1, Diagnostic.Kind.WARNING),
+                newExpectedDiagnostic(0, 5, 0, -1, -1, Diagnostic.Kind.WARNING)};
+        String[] mods = {"public", "protected", "private", "static", "final"};
+        for (int i = 0; i < mods.length; ++i) {
+            for (String code : new String[] {"class A {}", "void f() {}", "int a;"}) {
+                final int finalI = i;
+                list.add(a -> assertDiagnostic(a, mods[finalI] + " " + code, diagnostics[finalI]));
+            }
+        }
+        test(list.toArray(new ReplTest[list.size()]));
+    }
+
+    @Test(enabled = false) // TODO 8132147
+    public void stressTest() {
+        Compiler compiler = new Compiler();
+        Path oome = compiler.getPath("OOME.repl");
+        Path soe = compiler.getPath("SOE.repl");
+        compiler.writeToFile(oome,
+                "List<byte[]> list = new ArrayList<>();\n",
+                "while (true) {\n" +
+                "   list.add(new byte[1000000]);\n" +
+                "}");
+        compiler.writeToFile(soe,
+                "void f() { f(); }",
+                "f();");
+        List<ReplTest> tests = new ArrayList<>();
+        for (int i = 0; i < 25; ++i) {
+            tests.add(a -> assertCommandCheckOutput(a, "/o " + soe.toString(),
+                    assertStartsWith("|  java.lang.StackOverflowError thrown")));
+            tests.add(a -> assertCommandCheckOutput(a, "/o " + oome.toString(),
+                    assertStartsWith("|  java.lang.OutOfMemoryError thrown: Java heap space")));
+        }
+        test(tests.toArray(new ReplTest[tests.size()]));
+    }
+
+    private ExpectedDiagnostic newExpectedDiagnostic(long startPosition, long endPosition, long position,
+                                                     long lineNumber, long columnNumber, Diagnostic.Kind kind) {
+        return new ExpectedDiagnostic("", startPosition, endPosition, position, lineNumber, columnNumber, kind);
+    }
+
+    private void assertDiagnostic(boolean after, String cmd, ExpectedDiagnostic expectedDiagnostic) {
+        assertCommandCheckOutput(after, cmd, assertDiagnostic(cmd, expectedDiagnostic));
+    }
+
+    private Consumer<String> assertDiagnostic(String expectedSource, ExpectedDiagnostic expectedDiagnostic) {
+        int start = (int) expectedDiagnostic.getStartPosition();
+        int end = (int) expectedDiagnostic.getEndPosition();
+        String expectedMarkingLine = createMarkingLine(start, end);
+        return s -> {
+            String[] lines = s.split("\n");
+            if (lines.length <= 3) {
+                throw new AssertionError("Not enough lines: " + s);
+            }
+            String kind = getKind(expectedDiagnostic.getKind());
+            assertEquals(lines[0], kind);
+            String source;
+            String markingLine;
+            switch (expectedDiagnostic.getKind()) {
+                case ERROR:
+                case WARNING:
+                    source = lines[2];
+                    markingLine = lines[3];
+                    break;
+                default:
+                    throw new AssertionError("Unsupported diagnostic kind: " + expectedDiagnostic.getKind());
+            }
+            assertTrue(source.endsWith(expectedSource), "Expected: " + expectedSource + ", found: " + source);
+            assertEquals(markingLine, expectedMarkingLine, "Input: " + expectedSource + ", marking line: ");
+        };
+    }
+
+    private String createMarkingLine(int start, int end) {
+        assertTrue(end >= start, String.format("End position %d is less than start position %d", end, start));
+        StringBuilder sb = new StringBuilder();
+        sb.append("|  ");
+        for (int i = 0; i < start; ++i) {
+            sb.append(' ');
+        }
+        sb.append('^');
+        for (int i = 1; i < end - start - 1; ++i) {
+            sb.append('-');
+        }
+        if (start < end) {
+            sb.append('^');
+        }
+        return sb.toString();
+    }
+
+    public String getKind(Diagnostic.Kind kind) {
+        switch (kind) {
+            case WARNING:
+                return "|  Warning:";
+            case ERROR:
+                return "|  Error:";
+            default:
+                throw new AssertionError("Unsupported kind: " + kind);
+        }
+    }
+}