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23 
24 /*
25  * @test
26  * @bug 8141415
27  * @summary Test imports
28  * @modules jdk.compiler/com.sun.tools.javac.api
29  *          jdk.compiler/com.sun.tools.javac.main
30  *          jdk.jdeps/com.sun.tools.javap
31  * @library /tools/lib
32  * @build KullaTesting TestingInputStream toolbox.Task.ExpectedDiagnostic
33  * @run testng ImportTest
34  */
35 
36 import java.nio.file.Path;
37 import java.nio.file.Paths;
38 
39 import javax.tools.Diagnostic;
40 
41 import jdk.jshell.Snippet;
42 import org.testng.annotations.Test;
43 
44 import static jdk.jshell.Snippet.Status.VALID;
45 import static jdk.jshell.Snippet.Status.OVERWRITTEN;
46 import static jdk.jshell.Snippet.SubKind.SINGLE_TYPE_IMPORT_SUBKIND;
47 import static jdk.jshell.Snippet.SubKind.SINGLE_STATIC_IMPORT_SUBKIND;
48 import static jdk.jshell.Snippet.SubKind.TYPE_IMPORT_ON_DEMAND_SUBKIND;
49 import static jdk.jshell.Snippet.SubKind.STATIC_IMPORT_ON_DEMAND_SUBKIND;
50 
51 @Test
52 public class ImportTest extends KullaTesting {
53 
testImport()54     public void testImport() {
55         assertImportKeyMatch("import java.util.List;", "List", SINGLE_TYPE_IMPORT_SUBKIND, added(VALID));
56         assertImportKeyMatch("import java.util.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND, added(VALID));
57         assertEval("List<Integer> list = new ArrayList<>();");
58         assertEval("list.add(45);");
59         assertEval("list.size();", "1");
60     }
61 
testImportOnDemand()62     public void testImportOnDemand() {
63         assertImportKeyMatch("import java.util.*;", "java.util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
64         assertEval("List<Integer> list = new ArrayList<>();");
65         assertEval("list.add(45);");
66         assertEval("list.size();", "1");
67     }
68 
testImportStatic()69     public void testImportStatic() {
70         assertImportKeyMatch("import static java.lang.Math.PI;", "PI", SINGLE_STATIC_IMPORT_SUBKIND, added(VALID));
71         assertEval("Double.valueOf(PI).toString().substring(0, 16).equals(\"3.14159265358979\");", "true");
72     }
73 
testImportStaticOnDemand()74     public void testImportStaticOnDemand() {
75         assertImportKeyMatch("import static java.lang.Math.*;", "java.lang.Math.*", STATIC_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
76         assertEval("abs(cos(PI / 2)) < 0.00001;", "true");
77     }
78 
79     @Test(enabled = false) // TODO 8129418
testUnknownPackage()80     public void testUnknownPackage() {
81         assertDeclareFail("import unknown.qqq;",
82                 new ExpectedDiagnostic("compiler.err.doesnt.exist", 7, 18, 14, -1, -1, Diagnostic.Kind.ERROR));
83         assertDeclareFail("import unknown.*;",
84                 new ExpectedDiagnostic("compiler.err.doesnt.exist", 7, 15, 7, -1, -1, Diagnostic.Kind.ERROR));
85     }
86 
testBogusImportIgnoredInFuture()87     public void testBogusImportIgnoredInFuture() {
88         assertDeclareFail("import unknown.qqq;", "compiler.err.doesnt.exist");
89         assertDeclareFail("import unknown.*;", "compiler.err.doesnt.exist");
90         assertEval("2 + 2;");
91     }
92 
testBadImport()93     public void testBadImport() {
94         assertDeclareFail("import static java.lang.reflect.Modifier;",
95                 new ExpectedDiagnostic("compiler.err.cant.resolve.location", 14, 31, 23, -1, -1, Diagnostic.Kind.ERROR));
96     }
97 
testBadSyntaxImport()98     public void testBadSyntaxImport() {
99         assertDeclareFail("import not found.*;",
100                 new ExpectedDiagnostic("compiler.err.expected", 10, 10, 10, -1, -1, Diagnostic.Kind.ERROR));
101     }
102 
testImportRedefinition()103     public void testImportRedefinition() {
104         Compiler compiler = new Compiler();
105         Path path = Paths.get("testImport");
106         compiler.compile(path, "package util; public class ArrayList { public String toString() { return \"MyList\"; } }");
107         compiler.compile(path, "package util; public class A { public static class ArrayList {\n" +
108                 "public String toString() { return \"MyInnerList\"; } } }");
109         addToClasspath(compiler.getPath(path));
110 
111         assertImportKeyMatch("import util.*;", "util.*", TYPE_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
112         assertEval("new ArrayList();", "MyList", added(VALID));
113 
114         Snippet import0 = assertImportKeyMatch("import java.util.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND, added(VALID));
115         assertEval("new ArrayList();", "[]");
116 
117         Snippet import1 = assertImportKeyMatch("import util.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND,
118                 ste(MAIN_SNIPPET, VALID, VALID, false, null),
119                 ste(import0, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
120         assertEval("new ArrayList();", "MyList");
121 
122         Snippet import2 = assertImportKeyMatch("import java.util.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND,
123                 ste(MAIN_SNIPPET, VALID, VALID, false, null),
124                 ste(import1, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
125         assertEval("new ArrayList();", "[]");
126 
127         Snippet import3 = assertImportKeyMatch("import util.A.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND,
128                 ste(MAIN_SNIPPET, VALID, VALID, false, null),
129                 ste(import2, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
130         assertEval("new ArrayList();", "MyInnerList");
131 
132         Snippet import4 = assertImportKeyMatch("import java.util.ArrayList;", "ArrayList", SINGLE_TYPE_IMPORT_SUBKIND,
133                 ste(MAIN_SNIPPET, VALID, VALID, false, null),
134                 ste(import3, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
135         assertEval("new ArrayList();", "[]");
136 
137         Snippet import5 = assertImportKeyMatch("import static util.A.ArrayList;", "ArrayList", SINGLE_STATIC_IMPORT_SUBKIND,
138                 ste(MAIN_SNIPPET, VALID, VALID, false, null),
139                 ste(import4, VALID, OVERWRITTEN, false, MAIN_SNIPPET));
140         assertEval("new ArrayList();", "MyInnerList");
141     }
142 
testImportMemberRedefinition()143     public void testImportMemberRedefinition() {
144         Compiler compiler = new Compiler();
145         Path path = Paths.get("testImport");
146         compiler.compile(path, "package util; public class A {" +
147                 "public static String field = \"A\";" +
148                 "public static String method() { return \"A\"; } }");
149         compiler.compile(path, "package util; public class B {" +
150                 "public static String field = \"B\";" +
151                 "public static String method() { return \"B\"; } }");
152         addToClasspath(compiler.getPath(path));
153 
154         assertImportKeyMatch("import static util.B.*;", "util.B.*", STATIC_IMPORT_ON_DEMAND_SUBKIND, added(VALID));
155         assertEval("field;", "\"B\"");
156         assertEval("method();", "\"B\"");
157 
158         assertImportKeyMatch("import static util.A.method;", "method", SINGLE_STATIC_IMPORT_SUBKIND, added(VALID));
159         assertEval("field;", "\"B\"");
160         assertEval("method();", "\"A\"");
161 
162         assertImportKeyMatch("import static util.A.field;", "field", SINGLE_STATIC_IMPORT_SUBKIND, added(VALID));
163         assertEval("field;", "\"A\"");
164         assertEval("method();", "\"A\"");
165     }
166 
testImportWithComment()167     public void testImportWithComment() {
168         assertImportKeyMatch("import java.util.List;//comment", "List", SINGLE_TYPE_IMPORT_SUBKIND, added(VALID));
169         assertEval("List l = null;");
170     }
171 }
172