593 lines
20 KiB
Java
593 lines
20 KiB
Java
/*
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* Copyright (c) 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8298405
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* @summary Markdown support in the standard doclet
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* @library /tools/lib ../../lib
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* @modules jdk.javadoc/jdk.javadoc.internal.tool
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* @build toolbox.ToolBox javadoc.tester.*
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* @run main TestMarkdownCodeBlocks
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*/
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import java.nio.file.Path;
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import java.util.Locale;
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import java.util.stream.Collectors;
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import javadoc.tester.JavadocTester;
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import toolbox.ToolBox;
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/**
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* Tests Markdown code blocks.
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*
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* Code blocks may be either "fenced code blocks" or "indented code blocks".
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* Within a code block, all text is "literal text" and not interpreted as
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* Markdown, HTML or javadoc tags.
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*
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* In the various test cases, javadoc tags are used as a way to determine
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* if the parser is correctly interpreting the text in its surrounding context.
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* Within a code block, character sequences resembling a tag are treated as
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* literal text, and appear "as is" in the generated output. Outside a
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* code block, character sequences resembling a tag are treated as tags and
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* are translated as appropriate in the generated output.
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*
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* A primary consideration in the test cases is use and handling of indentation,
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* especially as it relates to lists and nested lists.
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*/
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public class TestMarkdownCodeBlocks extends JavadocTester {
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public static void main(String... args) throws Exception {
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var tester = new TestMarkdownCodeBlocks();
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tester.runTests();
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}
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ToolBox tb = new ToolBox();
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@Test
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public void testCodeBlocks(Path base) throws Exception {
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// Test cases provide a fragment of content for a documentation comment
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// and a corresponding fragment of content to be found in the generated output.
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// The name of each member is used to generate the name of a declaration
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// with which the documentation comment is associated.
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enum TestCase {
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SIMPLE_INDENT(
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"""
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{@code CODE}
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@Anno
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end""",
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"""
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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<p>end</p>"""),
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SIMPLE_FENCE_BACKTICK(
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"""
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```
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{@code CODE}
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@Anno
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```
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end""",
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"""
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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<p>end</p>"""),
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SIMPLE_FENCE_TILDE(
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"""
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~~~
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{@code CODE}
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@Anno
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~~~
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end""",
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"""
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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<p>end</p>"""),
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INDENT_TABS(
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"""
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\ttab
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\t1-space tab
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\t2-space tab
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\t3-space tab
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\t4-space tab
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\t\t2-tab
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end
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""",
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"""
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<pre><code>tab
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1-space tab
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2-space tab
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3-space tab
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\t4-space tab
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\t2-tab
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</code></pre>
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<p>end</p>"""
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),
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UNCLOSED_FENCE(
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"""
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```
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{@code}
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@Anno
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""",
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"""
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<pre><code>{@code}
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@Anno
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</code></pre>"""
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),
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LIST_INDENT(
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"""
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* list item
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{@code CODE}
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@Anno
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end""",
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"""
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<ul>
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<li>
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<p>list item</p>
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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</li>
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</ul>
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<p>end</p>"""),
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LIST_FENCE_BACKTICK(
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"""
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* list item
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```
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{@code CODE}
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@Anno
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```
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end""",
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"""
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<ul>
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<li>list item
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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</li>
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</ul>
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<p>end</p>"""),
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LIST_FENCE_TILDE(
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"""
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1. list item
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~~~
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{@code CODE}
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@Anno
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~~~
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end""",
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"""
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<ol>
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<li>list item
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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</li>
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</ol>
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<p>end</p>"""),
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LIST_UNCLOSED_FENCE(
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"""
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1. list item
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```
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fenced-code
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@Anno
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end""",
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"""
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<ol>
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<li>list item
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<pre><code>fenced-code
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@Anno
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</code></pre>
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</li>
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</ol>
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<p>end</p>"""),
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// in the following, note the indentation of the list item is 5 spaces
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// and the block that follows is indented by just 4 spaces
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POST_LIST_INDENT(
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"""
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1. list item
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second paragraph
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{@code CODE}
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@Anno
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end""",
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"""
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<ol>
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<li>
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<p>list item</p>
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<p>second paragraph</p>
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</li>
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</ol>
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<pre><code>{@code CODE}
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@Anno
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</code></pre>
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<p>end</p>"""),
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BLOCK_FENCE(
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"""
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> ```
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> fenced code
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> @Anno
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> ```
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end""",
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"""
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<blockquote>
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<pre><code>fenced code
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@Anno
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</code></pre>
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</blockquote>
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<p>end</p>"""),
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BLOCK_UNCLOSED_FENCE(
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"""
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> ```
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> fenced code
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> @Anno
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end""",
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"""
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<blockquote>
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<pre><code>fenced code
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@Anno
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</code></pre>
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</blockquote>
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<p>end</p>"""),
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NOT_INDENT_CONTINUATION(
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"""
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paragraph
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indented continuation {@code CODE}
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more.
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end""",
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"""
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<p>paragraph
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indented continuation <code>CODE</code>
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more.</p>
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<p>end</p>"""
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),
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NOT_INDENT_IN_LIST(
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"""
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1. list item
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list para, not indented block
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{@code CODE}
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end""",
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"""
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<ol>
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<li>
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<p>list item</p>
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<p>list para, not indented block
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<code>CODE</code></p>
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</li>
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</ol>
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<p>end</p>"""),
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COMBO(
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"""
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1. list item {@code TAG} lorem ipsum
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* nested list {@code TAG} lorem ipsum
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nested list para {@code TAG} lorem ipsum
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nested indented block {@code TEXT} lorem ipsum
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outer list para {@code TAG} lorem ipsum
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```
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outer list fenced block {@code TEXT} lorem ipsum
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```
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end""",
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"""
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<ol>
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<li>
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<p>list item <code>TAG</code> lorem ipsum</p>
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<ul>
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<li>
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<p>nested list <code>TAG</code> lorem ipsum</p>
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<p>nested list para <code>TAG</code> lorem ipsum</p>
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<pre><code>nested indented block {@code TEXT} lorem ipsum
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</code></pre>
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</li>
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</ul>
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<p>outer list para <code>TAG</code> lorem ipsum</p>
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<pre><code>outer list fenced block {@code TEXT} lorem ipsum
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</code></pre>
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</li>
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</ol>
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<p>end</p>"""
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);
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final String srcFragment;
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final String expect;
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TestCase(String srcFragment, String expect) {
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this.srcFragment = srcFragment;
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this.expect = expect;
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}
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}
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StringBuilder sb = new StringBuilder();
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sb.append("""
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package p;
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/** Dummy. */
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public class C {
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private C() { }
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""");
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for (var tc: TestCase.values()) {
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sb.append("""
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/// First sentence.
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#FRAG#
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public void #NAME#() { }
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"""
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.replace("#FRAG#", tc.srcFragment.lines()
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.map(l -> "/// " + l)
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.collect(Collectors.joining("\n ")))
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.replace("#NAME#", tc.name().toLowerCase(Locale.ROOT)));
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}
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sb.append("}");
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Path src = base.resolve("src");
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tb.writeJavaFiles(src, sb.toString());
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javadoc("-d", base.resolve("api").toString(),
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"--no-platform-links",
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"--source-path", src.toString(),
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"p");
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checkExit(Exit.OK);
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checkOutput(Output.OUT, false,
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"unknown tag");
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for (var tc : TestCase.values()) {
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out.println("Test case: " + tc);
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checkOutput("p/C.html", true,
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"""
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<span class="element-name">#NAME#</span>()</div>
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<div class="block"><p>First sentence.</p>
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#FRAG#
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</div>"""
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.replace("#NAME#", tc.name().toLowerCase(Locale.ROOT))
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.replace("#FRAG#", tc.expect));
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}
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}
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@Test
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public void testTypical(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"""
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package p;
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/// stand-in for the standard class, to avoid platform links
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public class NullPointerException extends RuntimeException { }
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""",
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"""
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package p;
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/// A class containing examples of "typical" usages.
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public class C {
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///
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/// Here is an example:
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///
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/// @Deprecated
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/// public class Old { }
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///
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/// Here are some more examples:
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///
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/// 1. ```
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/// @Deprecated(forRemoval=true)
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/// public class VeryOld { }
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/// ```
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/// 2. ```
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/// public class C {
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/// @Override
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/// public boolean equals(Object other) {
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/// return false;
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/// }
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/// @Override
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/// public int hashCode() {
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/// return 0;
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/// }
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/// }
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/// ```
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///
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/// @param other another instance
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/// @throws NullPointerException if other is {@code null}
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public C(C other) { }
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}
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""");
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javadoc("-d", base.resolve("api").toString(),
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"--no-platform-links",
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"--source-path", src.toString(),
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"p");
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checkExit(Exit.OK);
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checkOutput("p/C.html", true,
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"""
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<p>Here is an example:</p>
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<pre><code>@Deprecated
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public class Old { }
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</code></pre>""",
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"""
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<p>Here are some more examples:</p>
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<ol>
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<li>
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<pre><code>@Deprecated(forRemoval=true)
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public class VeryOld { }
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</code></pre>
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</li>
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<li>
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<pre><code>public class C {
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@Override
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public boolean equals(Object other) {
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return false;
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}
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@Override
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public int hashCode() {
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return 0;
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}
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}
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</code></pre>
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</li>
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</ol>""",
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"""
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<dl class="notes">
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<dt>Parameters:</dt>
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<dd><code>other</code> - another instance</dd>
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<dt>Throws:</dt>
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<dd><code><a href="NullPointerException.html" title="class in p">NullPointerException</a></code> - if other is <code>null</code></dd>
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</dl>""");
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}
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@Test
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public void testLeadingCodeBlock(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"""
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package p;
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/// Leading code block
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/// Lorum ipsum.
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public class C { }
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""");
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javadoc("-d", base.resolve("api").toString(),
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"--no-platform-links",
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"--source-path", src.toString(),
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"p");
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checkExit(Exit.OK);
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// check first sentence is empty in package summary file
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checkOutput("p/package-summary.html", true,
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"""
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<div class="col-first even-row-color class-summary class-summary-tab2"><a href="C.html" title="class in p">C</a></div>
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<div class="col-last even-row-color class-summary class-summary-tab2"> </div>""");
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checkOutput("p/C.html", true,
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"""
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<div class="block"><pre><code>Leading code block
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</code></pre>
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<p>Lorum ipsum.</p>""");
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}
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@Test
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public void testTrailingCodeBlock(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"""
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package p;
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/// Lorum ipsum.
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///
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/// Trailing code block
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public class C { }
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""");
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javadoc("-d", base.resolve("api").toString(),
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"--no-platform-links",
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"--source-path", src.toString(),
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"p");
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checkExit(Exit.OK);
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checkOutput("p/C.html", true,
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"""
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<div class="block"><p>Lorum ipsum.</p>
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<pre><code>Trailing code block
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</code></pre>
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</div>""");
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}
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// this example is derived from the test case in JDK-8338525
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@Test
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public void testLeadingTrailingCodeBlockWithAnnotations(Path base) throws Exception {
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Path src = base.resolve("src");
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tb.writeJavaFiles(src,
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"""
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package p;
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public class C {
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/// @Override
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/// void m() {}
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///
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/// Plain text
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///
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/// @Override
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/// void m() {}
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public void m() {}
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}""");
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javadoc("-d", base.resolve("api").toString(),
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"--no-platform-links",
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"--source-path", src.toString(),
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"p");
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checkExit(Exit.OK);
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checkOutput("p/C.html", true,
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"""
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<div class="col-first even-row-color method-summary-table method-summary-table-tab2 \
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method-summary-table-tab4"><code>void</code></div>
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<div class="col-second even-row-color method-summary-table method-summary-table-tab2 \
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method-summary-table-tab4"><code><a href="#m()" class="member-name-link">m</a>()</code></div>
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<div class="col-last even-row-color method-summary-table method-summary-table-tab2 \
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method-summary-table-tab4"> </div>""",
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"""
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<div class="member-signature"><span class="modifiers">public</span> \
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<span class="return-type">void</span> <span class="element-name">m</span>()</div>
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<div class="block"><pre><code>@Override
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void m() {}
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</code></pre>
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<p>Plain text</p>
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<pre><code>@Override
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void m() {}
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</code></pre>
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</div>""");
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}
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}
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