1 /*
   2  * Copyright (c) 2019, 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
  26  * @bug      8225055
  27  * @summary  Record types
  28  * @library  /tools/lib ../../lib
  29  * @modules jdk.javadoc/jdk.javadoc.internal.tool
  30  * @build    toolbox.ToolBox javadoc.tester.*
  31  * @run main TestRecordTypes
  32  */
  33 
  34 
  35 import java.io.IOException;
  36 import java.nio.file.Path;
  37 
  38 import javadoc.tester.JavadocTester;
  39 import toolbox.ToolBox;
  40 
  41 public class TestRecordTypes extends JavadocTester {
  42     public static void main(String... args) throws Exception {
  43         TestRecordTypes tester = new TestRecordTypes();
  44         tester.runTests(m -> new Object[] { Path.of(m.getName()) });
  45     }
  46 
  47     private final ToolBox tb = new ToolBox();
  48 
  49     // The following constants are set up for use with -linkoffline
  50     // (but note: JDK 11 does not include java.lang.Record, so expect
  51     // some 404 broken links until we can update this to a stable version.)
  52     private static final String externalDocs = 
  53         "https://docs.oracle.com/en/java/javase/11/docs/api";
  54     private static final String localDocs =
  55         Path.of(testSrc).resolve("jdk11").toUri().toString();
  56 
  57     @Test
  58     public void testRecordKeywordUnnamedPackage(Path base) throws IOException {
  59         Path src = base.resolve("src");
  60         tb.writeJavaFiles(src,
  61                 "public record R(int r1) { }");
  62 
  63         javadoc("-d", base.resolve("out").toString(),
  64                 "-sourcepath", src.toString(),
  65                 "--enable-preview", "--source", thisRelease,
  66                 src.resolve("R.java").toString());
  67         checkExit(Exit.OK);
  68 
  69         checkOutput("R.html", true,
  70                 "<h1 title=\"Record R\" class=\"title\">Record R</h1>",
  71                 "public record <span class=\"typeNameLabel\">R</span>",
  72                 "<code><span class=\"memberNameLink\"><a href=\"#%3Cinit%3E(int)\">R</a></span>​(int&nbsp;r1)</code>");
  73     }
  74 
  75     @Test
  76     public void testRecordKeywordNamedPackage(Path base) throws IOException {
  77         Path src = base.resolve("src");
  78         tb.writeJavaFiles(src,
  79                 "package p; public record R(int r1) { }");
  80 
  81         javadoc("-d", base.resolve("out").toString(),
  82                 "-sourcepath", src.toString(),
  83                 "--enable-preview", "--source", thisRelease,
  84                 "p");
  85         checkExit(Exit.OK);
  86 
  87         checkOutput("p/R.html", true,
  88                 "<h1 title=\"Record R\" class=\"title\">Record R</h1>",
  89                 "public record <span class=\"typeNameLabel\">R</span>",
  90                 "<code><span class=\"memberNameLink\"><a href=\"#%3Cinit%3E(int)\">R</a></span>​(int&nbsp;r1)</code>");
  91     }
  92 
  93     @Test
  94     public void testEmptyRecord(Path base) throws IOException {
  95         Path src = base.resolve("src");
  96         tb.writeJavaFiles(src,
  97                 "package p; public record R() { }");
  98 
  99         javadoc("-d", base.resolve("out").toString(),
 100                 "-sourcepath", src.toString(),
 101                 "--enable-preview", "--source", thisRelease,
 102                 "p");
 103         checkExit(Exit.OK);
 104 
 105         checkOutput("p/R.html", true,
 106                 "<h1 title=\"Record R\" class=\"title\">Record R</h1>",
 107                 "public record <span class=\"typeNameLabel\">R</span>",
 108                 "<code><span class=\"memberNameLink\"><a href=\"#%3Cinit%3E()\">R</a></span>()</code>");
 109     }
 110 
 111     @Test
 112     public void testAtParam(Path base) throws IOException {
 113         Path src = base.resolve("src");
 114         tb.writeJavaFiles(src,
 115                 "package p; /** This is record R. \n"
 116                 + " * @param r1 This is a component.\n"
 117                 + " */\n"
 118                 + "public record R(int r1) { }");
 119 
 120         javadoc("-d", base.resolve("out").toString(),
 121                 "-sourcepath", src.toString(),
 122                 "--enable-preview", "--source", thisRelease,
 123                 "p");
 124         checkExit(Exit.OK);
 125 
 126         checkOutput("p/R.html", true,
 127                 "<h1 title=\"Record R\" class=\"title\">Record R</h1>",
 128                 "public record <span class=\"typeNameLabel\">R</span>",
 129                 "<dl>\n"
 130                 + "<dt><span class=\"paramLabel\">Record Components:</span></dt>\n"
 131                 + "<dd><code><a id=\"param-r1\">r1</a></code> - This is a component.</dd>\n"
 132                 + "</dl>",
 133                 "<code><span class=\"memberNameLink\"><a href=\"#%3Cinit%3E(int)\">R</a></span>​(int&nbsp;r1)</code>");
 134     }
 135 
 136     @Test
 137     public void testAtParamTyParam(Path base) throws IOException {
 138         Path src = base.resolve("src");
 139         tb.writeJavaFiles(src,
 140                 "package p; /** This is record R. \n"
 141                 + " * @param r1  This is a component.\n"
 142                 + " * @param <T> This is a type parameter.\n"
 143                 + " */\n"
 144                 + "public record R<T>(int r1) { }");
 145 
 146         javadoc("-d", base.resolve("out").toString(),
 147                 "-sourcepath", src.toString(),
 148                 "--enable-preview", "--source", thisRelease,
 149                 "p");
 150         checkExit(Exit.OK);
 151 
 152         checkOutput("p/R.html", true,
 153                 "<h1 title=\"Record R\" class=\"title\">Record R&lt;T&gt;</h1>",
 154                 "public record <span class=\"typeNameLabel\">R&lt;T&gt;</span>",
 155                 "<dl>\n"
 156                 + "<dt><span class=\"paramLabel\">Type Parameters:</span></dt>\n"
 157                 + "<dd><code>T</code> - This is a type parameter.</dd>\n"
 158                 + "<dt><span class=\"paramLabel\">Record Components:</span></dt>\n"
 159                 + "<dd><code><a id=\"param-r1\">r1</a></code> - This is a component.</dd>\n"
 160                 + "</dl>",
 161                 "<code><span class=\"memberNameLink\"><a href=\"#%3Cinit%3E(int)\">R</a></span>​(int&nbsp;r1)</code>");
 162     }
 163 
 164     @Test
 165     public void testGeneratedComments(Path base) throws IOException {
 166         Path src = base.resolve("src");
 167         tb.writeJavaFiles(src,
 168                 "package p; /** This is record R. \n"
 169                         + " * @param r1  This is a component.\n"
 170                         + " */\n"
 171                         + "public record R(int r1) { }");
 172 
 173         javadoc("-d", base.resolve("out").toString(),
 174                 "-sourcepath", src.toString(),
 175                 "--enable-preview", "--source", thisRelease,
 176                 "p");
 177         checkExit(Exit.OK);
 178 
 179         // While we don't normally test values that just come from resource files,
 180         // in these cases, we want to verify that something non-empty was put into
 181         // the documentation for the generated members.
 182         checkOrder("p/R.html",
 183                 "<section class=\"constructorSummary\">",
 184                 "<a href=\"#%3Cinit%3E(int)\">R</a>",
 185                 "Creates an instance of a <code>R</code> record.",
 186                 "<section class=\"methodSummary\">",
 187                 "<a href=\"#equals(java.lang.Object)\">equals</a>",
 188                 "Indicates whether some other object is \"equal to\" this one.",
 189                 "<a href=\"#hashCode()\">hashCode</a>",
 190                 "Returns a hash code value for this object.",
 191                 "<a href=\"#r1()\">r1</a>",
 192                 "Returns the value of the <a href=\"#param-r1\"><code>r1</code></a> record component.",
 193                 "<a href=\"#toString()\">toString</a>",
 194                 "Returns a string representation of this record.",
 195                 "Method Details",
 196                 "<span class=\"memberName\">toString</span>",
 197                 "Returns a string representation of this record. The representation "
 198                 + "contains the name of the type, followed by the name and value of "
 199                 + "each of the record components.",
 200                 "<span class=\"memberName\">hashCode</span>",
 201                 "Returns a hash code value for this object. The value is derived "
 202                 + "from the hash code of each of the record components.",
 203                 "<span class=\"memberName\">equals</span>",
 204                 "Indicates whether some other object is \"equal to\" this one. "
 205                 + "The objects are equal if the other object is of the same class "
 206                 + "and if all the record components are equal. All components "
 207                 + "in this record are compared with '=='.",
 208                 "<span class=\"memberName\">r1</span>",
 209                 "Returns the value of the <a href=\"#param-r1\"><code>r1</code></a> "
 210                 + "record component."
 211         );
 212     }
 213 
 214     @Test
 215     public void testGeneratedCommentsWithLinkOffline(Path base) throws IOException {
 216         Path src = base.resolve("src");
 217         tb.writeJavaFiles(src,
 218                 "package p; /** This is record R. \n"
 219                         + " * @param r1  This is a component.\n"
 220                         + " */\n"
 221                         + "public record R(int r1) { }");
 222 
 223         javadoc("-d", base.resolve("out").toString(),
 224                 "-sourcepath", src.toString(),
 225                 "-linkoffline", externalDocs, localDocs,
 226                 "--enable-preview", "--source", thisRelease,
 227                 "p");
 228         checkExit(Exit.OK);
 229 
 230         // While we don't normally test values that just come from resource files,
 231         // in these cases, we want to verify that something non-empty was put into
 232         // the documentation for the generated members.
 233         checkOrder("p/R.html",
 234                 "<section class=\"constructorSummary\">",
 235                 "<a href=\"#%3Cinit%3E(int)\">R</a>",
 236                 "Creates an instance of a <code>R</code> record.",
 237                 "<section class=\"methodSummary\">",
 238                 "<a href=\"#equals(java.lang.Object)\">equals</a>",
 239                 "Indicates whether some other object is \"equal to\" this one.",
 240                 "<a href=\"#hashCode()\">hashCode</a>",
 241                 "Returns a hash code value for this object.",
 242                 "<a href=\"#r1()\">r1</a>",
 243                 "Returns the value of the <a href=\"#param-r1\"><code>r1</code></a> record component.",
 244                 "<a href=\"#toString()\">toString</a>",
 245                 "Returns a string representation of this record.",
 246                 "Method Details",
 247                 "<span class=\"memberName\">toString</span>",
 248                 "Returns a string representation of this record. The representation "
 249                 + "contains the name of the type, followed by the name and value of "
 250                 + "each of the record components.",
 251                 "<span class=\"memberName\">hashCode</span>",
 252                 "Returns a hash code value for this object. The value is derived "
 253                 + "from the hash code of each of the record components.",
 254                 "<span class=\"memberName\">equals</span>",
 255                 "Indicates whether some other object is \"equal to\" this one. "
 256                 + "The objects are equal if the other object is of the same class "
 257                 + "and if all the record components are equal. All components "
 258                 + "in this record are compared with '=='.",
 259                 "<span class=\"memberName\">r1</span>",
 260                 "Returns the value of the <a href=\"#param-r1\"><code>r1</code></a> "
 261                 + "record component."
 262         );
 263     }
 264 
 265     @Test
 266     public void testGeneratedEqualsPrimitive(Path base) throws IOException {
 267         testGeneratedEquals(base, "int a, int b", 
 268              "All components in this record are compared with '=='.");
 269     }
 270 
 271     @Test
 272     public void testGeneratedEqualsReference(Path base) throws IOException {
 273         testGeneratedEquals(base, "Object a, Object b", 
 274              "All components in this record are compared with <code>Objects::equals(Object,Object)</code>");
 275     }
 276 
 277     @Test
 278     public void testGeneratedEqualsMixed(Path base) throws IOException {
 279         testGeneratedEquals(base, "int a, Object b", 
 280              "Reference components are compared with <code>Objects::equals(Object,Object)</code>; "
 281              + "primitive components are compared with '=='.");
 282     }
 283 
 284     private void testGeneratedEquals(Path base, String comps, String expect) throws IOException {
 285         Path src = base.resolve("src");
 286         tb.writeJavaFiles(src,
 287                 "package p; /** This is record R. \n"
 288                         + " */\n"
 289                         + "public record R(" + comps + ") { }");
 290 
 291         javadoc("-d", base.resolve("out").toString(),
 292                 "-sourcepath", src.toString(),
 293                 "--enable-preview", "--source", thisRelease,
 294                 "p");
 295         checkExit(Exit.OK);
 296 
 297         checkOrder("p/R.html", expect);
 298     }
 299 
 300     @Test
 301     public void testUserComments(Path base) throws IOException {
 302         Path src = base.resolve("src");
 303         tb.writeJavaFiles(src,
 304                 "package p; /** This is record R. \n"
 305                 + " * @param r1  This is a component.\n"
 306                 + " */\n"
 307                 + "public record R(int r1) {\n"
 308                 + "/** User constructor. */ public R { }\n"
 309                 + "/** User equals. */ public boolean equals(Object other) { return false; }\n"
 310                 + "/** User hashCode. */ public int hashCode() { return 0; }\n"
 311                 + "/** User toString. */ public String toString() { return \"\"; }\n"
 312                 + "/** User accessor. */ public int r1() { return r1; }\n"
 313                 + "}");
 314 
 315         javadoc("-d", base.resolve("out").toString(),
 316                 "-sourcepath", src.toString(),
 317                 "--enable-preview", "--source", thisRelease,
 318                 "p");
 319         checkExit(Exit.OK);
 320 
 321         checkOrder("p/R.html",
 322                 "<section class=\"constructorSummary\">",
 323                 "<a href=\"#%3Cinit%3E(int)\">R</a>",
 324                 "User constructor.",
 325                 "<section class=\"methodSummary\">",
 326                 "<a href=\"#equals(java.lang.Object)\">equals</a>",
 327                 "User equals.",
 328                 "<a href=\"#hashCode()\">hashCode</a>",
 329                 "User hashCode.",
 330                 "<a href=\"#r1()\">r1</a>",
 331                 "User accessor.",
 332                 "<a href=\"#toString()\">toString</a>",
 333                 "User toString."
 334         );
 335     }
 336 
 337     @Test
 338     public void testExamples(Path base) throws IOException {
 339         javadoc("-d", base.resolve("out-no-link").toString(),
 340                 "-sourcepath", testSrc.toString(),
 341                 "-linksource",
 342                 "--enable-preview", "--source", thisRelease,
 343                 "examples");
 344 
 345         checkExit(Exit.OK);
 346         javadoc("-d", base.resolve("out-with-link").toString(),
 347                 "-sourcepath", testSrc.toString(),
 348                 "-linksource",
 349                 "-linkoffline", externalDocs, localDocs,
 350                 "--enable-preview", "--source", thisRelease,
 351                 "examples");
 352         checkExit(Exit.OK);
 353     }
 354 }