136 lines
4.5 KiB
Java
136 lines
4.5 KiB
Java
/*
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* Copyright (c) 2023, 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
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* @bug 8315851 8315588
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* @summary Tests for unnamed variables
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* @library /tools/lib
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.main
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* jdk.jshell
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* @build Compiler KullaTesting TestingInputStream ExpectedDiagnostic
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* @run testng UnnamedTest
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*/
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import java.util.function.Consumer;
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import jdk.jshell.SourceCodeAnalysis;
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import jdk.jshell.VarSnippet;
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import org.testng.Assert;
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import org.testng.annotations.Test;
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import jdk.jshell.JShell;
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import static jdk.jshell.SourceCodeAnalysis.Completeness.COMPLETE;
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import static jdk.jshell.SourceCodeAnalysis.Completeness.DEFINITELY_INCOMPLETE;
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public class UnnamedTest extends KullaTesting {
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@Test
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public void unnamed() {
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VarSnippet sn1 = varKey(assertEval("int _ = 0;"));
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VarSnippet sn2 = varKey(assertEval("String _ = \"x\";"));
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Assert.assertEquals(getState().varValue(sn1), "0");
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Assert.assertEquals(getState().varValue(sn2), "\"x\"");
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}
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static final String[] definitely_incomplete = new String[]{
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"int _ = ",
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"int m(String v, int r) {\n" +
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" try {\n" +
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" return Integer.parseInt(v, r);\n" +
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" } catch (NumberFormatException _) {",
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"try (final Lock _ = ",
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"try (Lock _ = null) {\n" +
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" try (Lock _ = null) {",
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"for (var _ : strs",
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"TwoParams p1 = (_, _) ->",
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"for (int _ = 0, _ = 1, x = 1;",
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"if (r instanceof R(_"
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};
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static final String[] complete = new String[]{
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"int _ = 42;",
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"int m(String v, int r) {\n" +
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" try {\n" +
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" return Integer.parseInt(v, r);\n" +
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" } catch (NumberFormatException _) { } }",
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"try (final Lock _ = TEST) {}",
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"try (Lock _ = null) {\n" +
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" try (Lock _ = null) { } }",
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"for (var _ : strs) { }",
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"TwoParams p1 = (_, _) -> {};",
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"for (int _ = 0, _ = 1, x = 1; x <= 1 ; x++) {}",
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"if (r instanceof R(_)) { }"
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};
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private void assertStatus(String input, SourceCodeAnalysis.Completeness status, String source) {
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String augSrc;
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switch (status) {
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case COMPLETE_WITH_SEMI:
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augSrc = source + ";";
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break;
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case DEFINITELY_INCOMPLETE:
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augSrc = null;
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break;
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case CONSIDERED_INCOMPLETE:
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augSrc = source + ";";
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break;
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case EMPTY:
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case COMPLETE:
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case UNKNOWN:
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augSrc = source;
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break;
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default:
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throw new AssertionError();
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}
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assertAnalyze(input, status, augSrc);
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}
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private void assertStatus(String[] ins, SourceCodeAnalysis.Completeness status) {
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for (String input : ins) {
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assertStatus(input, status, input);
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}
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}
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@Test
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public void test_definitely_incomplete() {
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assertStatus(definitely_incomplete, DEFINITELY_INCOMPLETE);
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}
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@Test
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public void test_definitely_complete() {
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assertStatus(complete, COMPLETE);
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}
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@Override
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public void setUp(Consumer<JShell.Builder> bc) {
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super.setUp(bc.andThen(b -> b.compilerOptions("--enable-preview", "--source", System.getProperty("java.specification.version"))));
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}
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}
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