1 /*
2 * Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import combo.ComboInstance;
25 import combo.ComboParameter;
26 import combo.ComboTask.Result;
27 import combo.ComboTestHelper;
28
29 import javax.lang.model.element.Element;
30 import java.util.stream.Stream;
31
32 /*
33 * @test
34 * @bug 8176534
35 * @summary Missing check against target-type during applicability inference
36 * @enablePreview
37 * @library /tools/javac/lib
38 * @modules jdk.compiler/com.sun.tools.javac.api
39 * jdk.compiler/com.sun.tools.javac.file
40 * jdk.compiler/com.sun.tools.javac.util
41 * @build combo.ComboTestHelper
42 *
43 * @run main TestUncheckedCalls
44 */
45 public class TestUncheckedCalls extends ComboInstance<TestUncheckedCalls> {
46 enum InputExpressionKind implements ComboParameter {
47 A("(A)null"),
48 A_STRING("(A<String>)null"),
49 B("(B)null"),
50 B_STRING("(B<String>)null");
51
52 String inputExpr;
53
54 InputExpressionKind(String inputExpr) {
55 this.inputExpr = inputExpr;
56 }
57
58
59 @Override
60 public String expand(String optParameter) {
61 return inputExpr;
62 }
63 }
64
65 enum TypeKind implements ComboParameter {
66 Z("Z"),
67 C_T("#C<T>"),
68 C_STRING("#C<String>"),
69 C("#C");
70
71 String typeTemplate;
72
73 TypeKind(String typeTemplate) {
74 this.typeTemplate = typeTemplate;
75 }
76
77 boolean hasTypeVars() {
78 return this == Z || this == C_T;
79 }
80
81 @Override
82 public String expand(String className) {
83 return typeTemplate.replaceAll("#C", className);
84 }
85 }
86
87 enum TypeVarsKind implements ComboParameter {
88 NONE("", "Object"),
89 Z_T("<Z extends #C<T>, T>", "Z");
90
91 String typeVarsTemplate;
92 String paramString;
93
94 TypeVarsKind(String typeVarsTemplate, String paramString) {
95 this.typeVarsTemplate = typeVarsTemplate;
96 this.paramString = paramString;
97 }
98
99
100 @Override
101 public String expand(String className) {
102 if (className.equals("Z")) {
103 return paramString;
104 } else {
105 return typeVarsTemplate.replaceAll("#C", className);
106 }
107 }
108 }
109
110 enum CallKind implements ComboParameter {
111 M("M(#{IN}, #{IN})"),
112 M_G("M(G(#{IN}, #{IN}), #{IN})"),
113 M_G_G("M(G(#{IN}, #{IN}), G(#{IN}, #{IN}))");
114
115 String callExpr;
116
117 CallKind(String callExpr) {
118 this.callExpr = callExpr;
119 }
120
121
122 @Override
123 public String expand(String optParameter) {
124 return callExpr;
125 }
126 }
127
128 enum DeclKind implements ComboParameter {
129 NONE(""),
130 ONE("#{TVARS[#M_IDX].I1} #{RET[#M_IDX].A} #M(#{ARG[#M_IDX].A} x1, #{TVARS[#M_IDX].Z} x2) { return null; }"),
131 TWO("#{TVARS[#M_IDX].I1} #{RET[#M_IDX].A} #M(#{ARG[#M_IDX].A} x1, #{TVARS[#M_IDX].Z} x2) { return null; }\n" +
132 " #{TVARS[#M_IDX].I2} #{RET[#M_IDX].B} #M(#{ARG[#M_IDX].B} x1, #{TVARS[#M_IDX].Z} x2) { return null; }");
133
134 String declTemplate;
135
136 DeclKind(String declTemplate) {
137 this.declTemplate = declTemplate;
138 }
139
140 @Override
141 public String expand(String methName) {
142 return declTemplate.replaceAll("#M_IDX", methName.equals("M") ? "0" : "1")
143 .replaceAll("#M", methName);
144
145 }
146 }
147
148 static final String sourceTemplate =
149 "class Test {\n" +
150 " interface I1<X> { }\n" +
151 " interface I2<X> { }\n" +
152 " static class A<X> implements I1<X> { }\n" +
153 " static class B<X> implements I2<X> { }\n" +
154 " #{DECL[0].M}\n" +
155 " #{DECL[1].G}\n" +
156 " void test() {\n" +
157 " #{CALL};\n" +
158 " }\n" +
159 "}\n";
160
161 public static void main(String... args) throws Exception {
162 new ComboTestHelper<TestUncheckedCalls>()
163 .withFilter(TestUncheckedCalls::arityFilter)
164 .withFilter(TestUncheckedCalls::declFilter)
165 .withFilter(TestUncheckedCalls::tvarFilter)
166 .withFilter(TestUncheckedCalls::inputExprFilter)
167 .withDimension("IN", (x, expr) -> x.inputExpressionKind = expr, InputExpressionKind.values())
168 .withDimension("CALL", (x, expr) -> x.callKind = expr, CallKind.values())
169 .withArrayDimension("DECL", (x, decl, idx) -> x.decls[idx] = x.new Decl(decl, idx), 2, DeclKind.values())
170 .withArrayDimension("TVARS", (x, tvars, idx) -> x.typeVarsKinds[idx] = tvars, 2, TypeVarsKind.values())
171 .withArrayDimension("RET", (x, ret, idx) -> x.returnKinds[idx] = ret, 2, TypeKind.values())
172 .withArrayDimension("ARG", (x, arg, idx) -> x.argumentKinds[idx] = arg, 2, TypeKind.values())
173 .run(TestUncheckedCalls::new);
174 }
175
176 class Decl {
177 private DeclKind declKind;
178 private int index;
179
180 Decl(DeclKind declKind, int index) {
181 this.declKind = declKind;
182 this.index = index;
183 }
184
185 boolean hasKind(DeclKind declKind) {
186 return this.declKind == declKind;
187 }
188
189 boolean isGeneric() {
190 return typeVarsKind() == TypeVarsKind.Z_T;
191 }
192
193 TypeKind returnKind() {
194 return returnKinds[index];
195 }
196
197 TypeKind argumentsKind() {
198 return argumentKinds[index];
199 }
200
201 TypeVarsKind typeVarsKind() {
202 return typeVarsKinds[index];
203 }
204 }
205
206 CallKind callKind;
207 InputExpressionKind inputExpressionKind;
208 TypeKind[] returnKinds = new TypeKind[2];
209 TypeKind[] argumentKinds = new TypeKind[2];
210 TypeVarsKind[] typeVarsKinds = new TypeVarsKind[2];
211 Decl[] decls = new Decl[2];
212
213 boolean arityFilter() {
214 return (callKind == CallKind.M || !decls[1].hasKind(DeclKind.NONE)) &&
215 !decls[0].hasKind(DeclKind.NONE);
216 }
217
218 boolean declFilter() {
219 return Stream.of(decls)
220 .filter(d -> d.hasKind(DeclKind.NONE))
221 .flatMap(d -> Stream.of(d.returnKind(), d.argumentsKind(), d.typeVarsKind()))
222 .noneMatch((Enum<? extends Enum<?>> tk) -> tk.ordinal() != 0);
223 }
224
225 boolean tvarFilter() {
226 return Stream.of(decls)
227 .filter(d -> !d.hasKind(DeclKind.NONE))
228 .filter(d -> !d.isGeneric())
229 .flatMap(d -> Stream.of(d.returnKind(), d.argumentsKind()))
230 .noneMatch(TypeKind::hasTypeVars);
231 }
232
233 boolean inputExprFilter() {
234 return (inputExpressionKind != InputExpressionKind.B && inputExpressionKind != InputExpressionKind.B_STRING) ||
235 Stream.of(decls).allMatch(d -> d.declKind == DeclKind.TWO);
236 }
237
238 @Override
239 public void doWork() throws Throwable {
240 newCompilationTask()
241 .withSourceFromTemplate(sourceTemplate)
242 .analyze(this::check);
243 }
244
245 void check(Result<Iterable<? extends Element>> result) {
246 if (result.hasErrors()) {
247 fail("compiler error:\n" +
248 result.compilationInfo());
249 }
250 }
251 }