1 /* 2 * Copyright (c) 2016, 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 /* 25 * @test 8173232 8010319 26 * @summary Test of forward referencing of snippets. 27 * @build KullaTesting TestingInputStream 28 * @run testng ForwardReferenceTest 29 */ 30 31 import java.util.List; 32 import jdk.jshell.Snippet; 33 import jdk.jshell.MethodSnippet; 34 import jdk.jshell.VarSnippet; 35 import jdk.jshell.DeclarationSnippet; 36 import org.testng.annotations.Test; 37 38 import jdk.jshell.SnippetEvent; 39 import jdk.jshell.UnresolvedReferenceException; 40 import static org.testng.Assert.assertEquals; 41 import static jdk.jshell.Snippet.Status.*; 42 import static org.testng.Assert.assertTrue; 43 44 @Test 45 public class ForwardReferenceTest extends KullaTesting { 46 testOverwriteMethodForwardReferenceClass()47 public void testOverwriteMethodForwardReferenceClass() { 48 Snippet k1 = methodKey(assertEval("int q(Boo b) { return b.x; }", 49 added(RECOVERABLE_NOT_DEFINED))); 50 assertUnresolvedDependencies1((MethodSnippet) k1, RECOVERABLE_NOT_DEFINED, "class Boo"); 51 assertEval("class Boo { int x = 55; }", 52 added(VALID), 53 ste(k1, RECOVERABLE_NOT_DEFINED, VALID, true, null)); 54 assertMethodDeclSnippet((MethodSnippet) k1, "q", "(Boo)int", VALID, 0, 0); 55 assertEval("q(new Boo());", "55"); 56 assertActiveKeys(); 57 } 58 testOverwriteMethodForwardReferenceClassImport()59 public void testOverwriteMethodForwardReferenceClassImport() { 60 MethodSnippet k1 = methodKey(assertEval("int ff(List lis) { return lis.size(); }", 61 added(RECOVERABLE_NOT_DEFINED))); 62 assertUnresolvedDependencies1(k1, RECOVERABLE_NOT_DEFINED, "class List"); 63 assertEval("import java.util.*;", 64 added(VALID), 65 ste(k1, RECOVERABLE_NOT_DEFINED, VALID, true, null)); 66 assertMethodDeclSnippet(k1, "ff", "(List)int", VALID, 0, 0); 67 assertEval("ff(new ArrayList());", "0"); 68 assertActiveKeys(); 69 } 70 testForwardVarToMethod()71 public void testForwardVarToMethod() { 72 DeclarationSnippet t = methodKey(assertEval("int t() { return x; }", added(RECOVERABLE_DEFINED))); 73 assertUnresolvedDependencies1(t, RECOVERABLE_DEFINED, "variable x"); 74 assertEvalUnresolvedException("t();", "t", 1, 0); 75 Snippet x = varKey(assertEval("int x = 33;", "33", 76 added(VALID), 77 ste(t, RECOVERABLE_DEFINED, VALID, false, null))); 78 assertEval("t();", "33"); 79 assertEval("double x = 0.88;", 80 "0.88", null, 81 DiagCheck.DIAG_OK, 82 DiagCheck.DIAG_ERROR, 83 ste(MAIN_SNIPPET, VALID, VALID, true, null), 84 ste(x, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 85 ste(t, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 86 assertEvalUnresolvedException("t();", "t", 0, 1); 87 assertActiveKeys(); 88 } 89 testForwardMethodToMethod()90 public void testForwardMethodToMethod() { 91 Snippet t = methodKey(assertEval("int t() { return f(); }", added(RECOVERABLE_DEFINED))); 92 Snippet f = methodKey(assertEval("int f() { return g(); }", 93 added(RECOVERABLE_DEFINED), 94 ste(t, RECOVERABLE_DEFINED, VALID, false, null))); 95 assertUnresolvedDependencies1((DeclarationSnippet) f, RECOVERABLE_DEFINED, "method g()"); 96 assertEvalUnresolvedException("t();", "f", 1, 0); 97 Snippet g = methodKey(assertEval("int g() { return 55; }", 98 added(VALID), 99 ste(f, RECOVERABLE_DEFINED, VALID, false, null))); 100 assertEval("t();", "55"); 101 assertEval("double g() { return 3.14159; }", 102 DiagCheck.DIAG_OK, 103 DiagCheck.DIAG_ERROR, 104 ste(MAIN_SNIPPET, VALID, VALID, true, null), 105 ste(g, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 106 ste(f, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 107 DeclarationSnippet exsn = assertEvalUnresolvedException("t();", "f", 0, 1); 108 assertTrue(exsn == f, "Identity must not change"); 109 assertActiveKeys(); 110 } 111 testForwardClassToMethod()112 public void testForwardClassToMethod() { 113 DeclarationSnippet t = methodKey(assertEval("int t() { return new A().f(); }", added(RECOVERABLE_DEFINED))); 114 assertUnresolvedDependencies1(t, RECOVERABLE_DEFINED, "class A"); 115 assertEvalUnresolvedException("t();", "t", 1, 0); 116 Snippet a = classKey(assertEval( 117 "class A {\n" + 118 " int f() { return 10; }\n" + 119 "}", 120 added(VALID), 121 ste(t, RECOVERABLE_DEFINED, VALID, false, null))); 122 assertEval("t();", "10"); 123 assertEval( 124 "class A {\n" + 125 " double f() { return 88.0; }\n" + 126 "}", 127 DiagCheck.DIAG_OK, 128 DiagCheck.DIAG_ERROR, 129 ste(MAIN_SNIPPET, VALID, VALID, true, null), 130 ste(a, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 131 ste(t, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 132 assertEvalUnresolvedException("t();", "t", 0, 1); 133 assertActiveKeys(); 134 } 135 testForwardVarToClass()136 public void testForwardVarToClass() { 137 DeclarationSnippet a = classKey(assertEval("class A { int f() { return g; } }", added(RECOVERABLE_DEFINED))); 138 assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "variable g"); 139 Snippet g = varKey(assertEval("int g = 10;", "10", 140 added(VALID), 141 ste(a, RECOVERABLE_DEFINED, VALID, false, null))); 142 assertEval("new A().f();", "10"); 143 assertEval("double g = 10;", "10.0", null, 144 DiagCheck.DIAG_OK, 145 DiagCheck.DIAG_ERROR, 146 ste(MAIN_SNIPPET, VALID, VALID, true, null), 147 ste(g, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 148 ste(a, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 149 assertUnresolvedDependencies(a, 0); 150 assertActiveKeys(); 151 } 152 testForwardVarToClassGeneric()153 public void testForwardVarToClassGeneric() { 154 DeclarationSnippet a = classKey(assertEval("class A<T> { final T x; A(T v) { this.x = v; } ; T get() { return x; } int core() { return g; } }", added(RECOVERABLE_DEFINED))); 155 assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "variable g"); 156 157 List<SnippetEvent> events = assertEval("A<String> as = new A<>(\"hi\");", null, 158 UnresolvedReferenceException.class, DiagCheck.DIAG_OK, DiagCheck.DIAG_OK, null); 159 SnippetEvent ste = events.get(0); 160 Snippet assn = ste.snippet(); 161 DeclarationSnippet unsn = ((UnresolvedReferenceException) ste.exception()).getSnippet(); 162 assertEquals(unsn.name(), "A", "Wrong with unresolved"); 163 assertEquals(getState().unresolvedDependencies(unsn).count(), 1, "Wrong size unresolved"); 164 assertEquals(getState().diagnostics(unsn).count(), 0L, "Expected no diagnostics"); 165 166 Snippet g = varKey(assertEval("int g = 10;", "10", 167 added(VALID), 168 ste(a, RECOVERABLE_DEFINED, VALID, false, MAIN_SNIPPET))); 169 assertEval("A<String> as = new A<>(\"low\");", 170 ste(MAIN_SNIPPET, VALID, VALID, false, null), 171 ste(assn, VALID, OVERWRITTEN, false, MAIN_SNIPPET)); 172 assertEval("as.get();", "\"low\""); 173 assertUnresolvedDependencies(a, 0); 174 assertActiveKeys(); 175 } 176 testForwardVarToClassExtendsImplements()177 public void testForwardVarToClassExtendsImplements() { 178 DeclarationSnippet ik = classKey(assertEval("interface I { default int ii() { return 1; } }", added(VALID))); 179 DeclarationSnippet jk = classKey(assertEval("interface J { default int jj() { return 2; } }", added(VALID))); 180 DeclarationSnippet ck = classKey(assertEval("class C { int cc() { return 3; } }", added(VALID))); 181 DeclarationSnippet dk = classKey(assertEval("class D extends C implements I,J { int dd() { return g; } }", added(RECOVERABLE_DEFINED))); 182 DeclarationSnippet ek = classKey(assertEval("class E extends D { int ee() { return 5; } }", added(VALID))); 183 assertUnresolvedDependencies1(dk, RECOVERABLE_DEFINED, "variable g"); 184 assertEvalUnresolvedException("new D();", "D", 1, 0); 185 assertEvalUnresolvedException("new E();", "D", 1, 0); 186 VarSnippet g = varKey(assertEval("int g = 10;", "10", 187 added(VALID), 188 ste(dk, RECOVERABLE_DEFINED, VALID, false, MAIN_SNIPPET))); 189 assertEval("E e = new E();"); 190 assertDrop(g, 191 ste(g, VALID, DROPPED, true, null), 192 ste(dk, VALID, RECOVERABLE_DEFINED, false, g)); 193 assertEvalUnresolvedException("new D();", "D", 1, 0); 194 assertEvalUnresolvedException("new E();", "D", 1, 0); 195 assertEval("e.ee();", "5"); 196 assertEvalUnresolvedException("e.dd();", "D", 1, 0); 197 assertEval("e.cc();", "3"); 198 assertEval("e.jj();", "2"); 199 assertEval("e.ii();", "1"); 200 assertActiveKeys(); 201 } 202 testForwardVarToInterface()203 public void testForwardVarToInterface() { 204 DeclarationSnippet i = classKey(assertEval("interface I { default int f() { return x; } }", added(RECOVERABLE_DEFINED))); 205 assertUnresolvedDependencies1(i, RECOVERABLE_DEFINED, "variable x"); 206 DeclarationSnippet c = classKey(assertEval("class C implements I { int z() { return 2; } }", added(VALID))); 207 assertEval("C c = new C();"); 208 assertEval("c.z();", "2"); 209 assertEvalUnresolvedException("c.f()", "I", 1, 0); 210 Snippet g = varKey(assertEval("int x = 55;", "55", 211 added(VALID), 212 ste(i, RECOVERABLE_DEFINED, VALID, false, null))); 213 assertEval("c.f();", "55"); 214 assertUnresolvedDependencies(i, 0); 215 assertActiveKeys(); 216 } 217 testForwardVarToEnum()218 public void testForwardVarToEnum() { 219 DeclarationSnippet a = classKey(assertEval("enum E { Q, W, E; float ff() { return fff; } }", added(RECOVERABLE_DEFINED))); 220 assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "variable fff"); 221 Snippet g = varKey(assertEval("float fff = 4.5f;", "4.5", 222 added(VALID), 223 ste(a, RECOVERABLE_DEFINED, VALID, false, null))); 224 assertEval("E.Q.ff();", "4.5"); 225 assertEval("double fff = 3.3;", "3.3", null, 226 DiagCheck.DIAG_OK, 227 DiagCheck.DIAG_ERROR, 228 ste(MAIN_SNIPPET, VALID, VALID, true, null), 229 ste(g, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 230 ste(a, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 231 assertUnresolvedDependencies(a, 0); 232 assertActiveKeys(); 233 } 234 testForwardMethodToClass()235 public void testForwardMethodToClass() { 236 DeclarationSnippet a = classKey(assertEval("class A { int f() { return g(); } }", added(RECOVERABLE_DEFINED))); 237 assertUnresolvedDependencies1(a, RECOVERABLE_DEFINED, "method g()"); 238 assertEval("A foo() { return null; }"); 239 assertEvalUnresolvedException("new A();", "A", 1, 0); 240 Snippet g = methodKey(assertEval("int g() { return 10; }", 241 added(VALID), 242 ste(a, RECOVERABLE_DEFINED, VALID, false, null))); 243 assertEval("new A().f();", "10"); 244 assertEval("double g() { return 10; }", 245 DiagCheck.DIAG_OK, 246 DiagCheck.DIAG_ERROR, 247 ste(MAIN_SNIPPET, VALID, VALID, true, null), 248 ste(g, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 249 ste(a, VALID, RECOVERABLE_DEFINED, false, MAIN_SNIPPET)); 250 assertUnresolvedDependencies(a, 0); 251 assertActiveKeys(); 252 } 253 testForwardClassToClass1()254 public void testForwardClassToClass1() { 255 Snippet a = classKey(assertEval("class A { B b = new B(); }", added(RECOVERABLE_NOT_DEFINED))); 256 assertDeclareFail("new A().b;", "compiler.err.cant.resolve.location"); 257 258 Snippet b = classKey(assertEval("class B { public String toString() { return \"B\"; } }", 259 added(VALID), 260 ste(a, RECOVERABLE_NOT_DEFINED, VALID, true, null))); 261 assertEval("new A().b;", "B"); 262 assertEval("interface B { }", 263 DiagCheck.DIAG_OK, 264 DiagCheck.DIAG_ERROR, 265 ste(MAIN_SNIPPET, VALID, VALID, true, null), 266 ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 267 ste(a, VALID, RECOVERABLE_DEFINED, true, MAIN_SNIPPET)); 268 assertEvalUnresolvedException("new A().b;", "A", 0, 1); 269 assertActiveKeys(); 270 } 271 testForwardClassToClass2()272 public void testForwardClassToClass2() { 273 Snippet a = classKey(assertEval("class A extends B { }", added(RECOVERABLE_NOT_DEFINED))); 274 assertDeclareFail("new A();", "compiler.err.cant.resolve.location"); 275 276 Snippet b = classKey(assertEval("class B { public String toString() { return \"B\"; } }", 277 added(VALID), 278 ste(a, RECOVERABLE_NOT_DEFINED, VALID, true, null))); 279 assertEval("new A();", "B"); 280 assertEval("interface B { }", 281 DiagCheck.DIAG_OK, 282 DiagCheck.DIAG_ERROR, 283 ste(MAIN_SNIPPET, VALID, VALID, true, null), 284 ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 285 ste(a, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET)); 286 assertDeclareFail("new A();", "compiler.err.cant.resolve.location"); 287 assertActiveKeys(); 288 } 289 testForwardClassToClass3()290 public void testForwardClassToClass3() { 291 Snippet a = classKey(assertEval("interface A extends B { static int f() { return 10; } }", added(RECOVERABLE_NOT_DEFINED))); 292 assertDeclareFail("A.f();", "compiler.err.cant.resolve.location"); 293 294 Snippet b = classKey(assertEval("interface B { }", 295 added(VALID), 296 ste(a, RECOVERABLE_NOT_DEFINED, VALID, true, null))); 297 assertEval("A.f();", "10"); 298 assertEval("class B { }", 299 DiagCheck.DIAG_OK, 300 DiagCheck.DIAG_ERROR, 301 ste(MAIN_SNIPPET, VALID, VALID, true, null), 302 ste(b, VALID, OVERWRITTEN, false, MAIN_SNIPPET), 303 ste(a, VALID, RECOVERABLE_NOT_DEFINED, true, MAIN_SNIPPET)); 304 assertDeclareFail("A.f();", "compiler.err.cant.resolve.location"); 305 assertActiveKeys(); 306 } 307 testForwardVariable()308 public void testForwardVariable() { 309 assertEval("int f() { return x; }", added(RECOVERABLE_DEFINED)); 310 assertEvalUnresolvedException("f();", "f", 1, 0); 311 assertActiveKeys(); 312 } 313 testLocalClassInUnresolved()314 public void testLocalClassInUnresolved() { 315 Snippet f = methodKey(assertEval("void f() { class A {} g(); }", added(RECOVERABLE_DEFINED))); 316 assertEval("void g() {}", 317 added(VALID), 318 ste(f, RECOVERABLE_DEFINED, VALID, true, null)); 319 assertEval("f();", ""); 320 } 321 } 322