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23 
24 /*
25  * @test
26  * @bug 8131027
27  * @summary Test Get FQNs
28  * @library /tools/lib
29  * @modules jdk.compiler/com.sun.tools.javac.api
30  *          jdk.compiler/com.sun.tools.javac.main
31  *          jdk.jshell/jdk.jshell:open
32  * @build toolbox.ToolBox toolbox.JarTask toolbox.JavacTask
33  * @build KullaTesting TestingInputStream Compiler
34  * @run testng ComputeFQNsTest
35  */
36 
37 import java.io.Writer;
38 import java.nio.file.Files;
39 import java.nio.file.Path;
40 import java.nio.file.Paths;
41 import java.util.Arrays;
42 
43 import jdk.jshell.SourceCodeAnalysis.QualifiedNames;
44 import static org.testng.Assert.*;
45 import org.testng.annotations.Test;
46 
47 @Test
48 public class ComputeFQNsTest extends KullaTesting {
49 
50     private final Compiler compiler = new Compiler();
51     private final Path outDir = Paths.get("ComputeFQNsTest");
52 
testAddImport()53     public void testAddImport() throws Exception {
54         compiler.compile(outDir, "package test1; public class FQNTestClass { }", "package test2; public class FQNTestClass { }");
55         String jarName = "test.jar";
56         compiler.jar(outDir, jarName, "test1/FQNTestClass.class", "test2/FQNTestClass.class");
57         addToClasspath(compiler.getPath(outDir).resolve(jarName));
58 
59         assertInferredFQNs("LinkedList", "java.util.LinkedList");
60         assertInferredFQNs("ArrayList", "java.util.ArrayList");
61         assertInferredFQNs("FQNTestClass", "test1.FQNTestClass", "test2.FQNTestClass");
62         assertInferredFQNs("CharSequence", "CharSequence".length(), true, "java.lang.CharSequence");
63         assertInferredFQNs("unresolvable");
64         assertInferredFQNs("void test(ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
65         assertInferredFQNs("void test(ArrayList l) throws InvocationTargetException", "InvocationTargetException".length(), false, "java.lang.reflect.InvocationTargetException");
66         assertInferredFQNs("void test(ArrayList l) { ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
67         assertInferredFQNs("<T extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
68         assertInferredFQNs("Object l = Arrays", "Arrays".length(), false, "java.util.Arrays");
69         assertInferredFQNs("class X<T extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
70         assertInferredFQNs("class X extends ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
71         assertInferredFQNs("class X extends java.util.ArrayList<TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
72         assertInferredFQNs("class X extends java.util.ArrayList<TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
73         assertInferredFQNs("class X implements TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
74         assertInferredFQNs("class X implements TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
75         assertInferredFQNs("class X implements java.util.List<TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
76         assertInferredFQNs("class X implements java.util.List<TypeMirror, TypeElement", "TypeElement".length(), false, "javax.lang.model.element.TypeElement");
77         assertInferredFQNs("class X { ArrayList", "ArrayList".length(), false, "java.util.ArrayList");
78     }
79 
80     @Test(enabled = false) //TODO 8161165
testSuspendIndexing()81     public void testSuspendIndexing() throws Throwable {
82         compiler.compile(outDir, "package test; public class FQNTest { }");
83         String jarName = "test.jar";
84         compiler.jar(outDir, jarName, "test/FQNTest.class");
85         Path continueMarkFile = outDir.resolve("continuemark").toAbsolutePath();
86         Files.createDirectories(continueMarkFile.getParent());
87         try (Writer w = Files.newBufferedWriter(continueMarkFile)) {}
88 
89         Path runMarkFile = outDir.resolve("runmark").toAbsolutePath();
90         Files.deleteIfExists(runMarkFile);
91 
92         getState().sourceCodeAnalysis();
93 
94         Throwable[] evalException = new Throwable[1];
95 
96         new Thread() {
97             @Override public void run() {
98                 try {
99                     assertEval("{new java.io.FileOutputStream(\"" + runMarkFile.toAbsolutePath().toString().replace("\\", "\\\\") + "\").close();" +
100                                " while (java.nio.file.Files.exists(java.nio.file.Paths.get(\"" + continueMarkFile.toAbsolutePath().toString().replace("\\", "\\\\") + "\"))) Thread.sleep(100); }");
101                 } catch (Throwable t) {
102                     evalException[0] = t;
103                 }
104             }
105         }.start();
106 
107         while (true) {
108             if (Files.exists(runMarkFile))
109                 break;
110             try {
111                 Thread.sleep(100);
112             } catch (Throwable t) {
113                 if (evalException[0] != null) {
114                     evalException[0].addSuppressed(t);
115                 } else {
116                     throw t;
117                 }
118             }
119             if (evalException[0] != null) {
120                 throw evalException[0];
121             }
122         }
123 
124         addToClasspath(compiler.getPath(outDir).resolve(jarName));
125 
126         String code = "FQNTest";
127 
128         QualifiedNames candidates = getAnalysis().listQualifiedNames(code, code.length());
129 
130         assertEquals(candidates.getNames(), Arrays.asList(), "Input: " + code + ", candidates=" + candidates.getNames());
131         assertEquals(candidates.isUpToDate(), false, "Input: " + code + ", up-to-date=" + candidates.isUpToDate());
132 
133         Files.delete(continueMarkFile);
134 
135         waitIndexingFinished();
136 
137         candidates = getAnalysis().listQualifiedNames(code, code.length());
138 
139         assertEquals(candidates.getNames(), Arrays.asList("test.FQNTest"), "Input: " + code + ", candidates=" + candidates.getNames());
140         assertEquals(true, candidates.isUpToDate(), "Input: " + code + ", up-to-date=" + candidates.isUpToDate());
141     }
142 
143 }
144