langtools/test/jdk/jshell/SimpleRegressionTest.java
author jlahoda
Thu, 05 May 2016 12:55:21 +0200
changeset 37939 3eb8c2a89b77
parent 37005 71210037624f
child 40512 b9359154240c
permissions -rw-r--r--
8153761: JShell: Completion -- Show parameter names if possible Summary: Compiling code with -parameters; keeping parameter names when reading classfiles; searching JDK sources if parameter names are not available. Reviewed-by: rfield
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/*
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 * @test 8130450
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 * @summary simple regression test
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 * @build KullaTesting TestingInputStream
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 * @run testng SimpleRegressionTest
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 */
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import java.util.List;
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import javax.tools.Diagnostic;
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import jdk.jshell.Snippet;
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import jdk.jshell.VarSnippet;
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import jdk.jshell.SnippetEvent;
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import org.testng.annotations.Test;
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import static org.testng.Assert.assertEquals;
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import static jdk.jshell.Snippet.Status.OVERWRITTEN;
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import static jdk.jshell.Snippet.SubKind.TEMP_VAR_EXPRESSION_SUBKIND;
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import static jdk.jshell.Snippet.Status.VALID;
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@Test
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public class SimpleRegressionTest extends KullaTesting {
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    public void testSnippetMemberAssignment() {
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        assertEval("class C { int y; }");
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        assertEval("C c = new C();");
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        assertVarKeyMatch("c.y = 4;", true, "$1", TEMP_VAR_EXPRESSION_SUBKIND, "int", added(VALID));
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    }
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    public void testUserTakesTempVarName() {
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        assertEval("int $2 = 4;");
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        assertEval("String $1;");
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        assertVarKeyMatch("1234;", true, "$3", TEMP_VAR_EXPRESSION_SUBKIND, "int", added(VALID));
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    }
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    public void testCompileThrow() {
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        assertEvalException("throw new Exception();");
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    }
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    public void testMultiSnippetDependencies() {
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        List<SnippetEvent> events = assertEval("int a = 3, b = a+a, c = b *100;",
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                DiagCheck.DIAG_OK, DiagCheck.DIAG_OK,
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                chain(added(VALID)),
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                chain(added(VALID)),
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                chain(added(VALID)));
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        assertEquals(events.get(0).value(), "3");
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        assertEquals(events.get(1).value(), "6");
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        assertEquals(events.get(2).value(), "600");
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        assertEval("c;", "600");
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    }
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    public void testNotStmtCannotResolve() {
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        assertDeclareFail("dfasder;", new ExpectedDiagnostic("compiler.err.cant.resolve.location", 0, 7, 0, -1, -1, Diagnostic.Kind.ERROR));
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    }
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    public void testNotStmtIncomparable() {
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        assertDeclareFail("true == 5.0;", new ExpectedDiagnostic("compiler.err.incomparable.types", 0, 11, 5, -1, -1, Diagnostic.Kind.ERROR));
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    }
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    public void testStringAdd() {
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        assertEval("String s = \"a\" + \"b\";", "\"ab\"");
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    }
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    public void testExprSanity() {
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        assertEval("int x = 3;", "3");
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        assertEval("int y = 4;", "4");
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        assertEval("x + y;", "7");
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        assertActiveKeys();
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    }
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    public void testGenericMethodCrash() {
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        assertDeclareWarn1("<T> void f(T...a) {}", (ExpectedDiagnostic) null);
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        Snippet sn = methodKey(assertEval("<R> R n(R x) { return x; }", added(VALID)));
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        VarSnippet sne = varKey(assertEval("n(5)", added(VALID)));
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        assertEquals(sne.typeName(), "Integer");
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    }
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    // 8130450
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    public void testDuplicate() {
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        Snippet snm = methodKey(assertEval("void mm() {}", added(VALID)));
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        assertEval("void mm() {}",
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                ste(MAIN_SNIPPET, VALID, VALID, false, null),
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                ste(snm, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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        Snippet snv = varKey(assertEval("boolean b;", added(VALID)));
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        assertEval("boolean b;",
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                ste(MAIN_SNIPPET, VALID, VALID, false, null),
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                ste(snv, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
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    }
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}