From d5c3e10e2947e66a5da563cce6377a563b8002af Mon Sep 17 00:00:00 2001
From: codejava <me@codejava.tech>
Date: Mon, 13 Apr 2026 10:47:55 +0300
Subject: [PATCH] Upload files to "java/markup"

---
 java/markup/MarkupTester.java    | 102 +++++++++++++++++++++++++++++++
 java/markup/OrderedList.java     |  13 ++++
 java/markup/Paragraph.java       |  16 +++++
 java/markup/PartOfParagraph.java |   6 ++
 java/markup/package-info.java    |   7 +++
 5 files changed, 144 insertions(+)
 create mode 100644 java/markup/MarkupTester.java
 create mode 100644 java/markup/OrderedList.java
 create mode 100644 java/markup/Paragraph.java
 create mode 100644 java/markup/PartOfParagraph.java
 create mode 100644 java/markup/package-info.java

diff --git a/java/markup/MarkupTester.java b/java/markup/MarkupTester.java
new file mode 100644
index 0000000..344e4cf
--- /dev/null
+++ b/java/markup/MarkupTester.java
@@ -0,0 +1,102 @@
+package markup;
+
+import base.Asserts;
+import base.BaseChecker;
+import base.TestCounter;
+import java.lang.invoke.MethodHandle;
+import java.lang.invoke.MethodHandles;
+import java.lang.invoke.MethodType;
+import java.util.Map;
+import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+
+/**
+ * @author Georgiy Korneev (kgeorgiy@kgeorgiy.info)
+ */
+public final class MarkupTester {
+
+    private final Map<String, String> mapping;
+    private final String toString;
+
+    private MarkupTester(
+        final Map<String, String> mapping,
+        final String toString
+    ) {
+        this.mapping = mapping;
+        this.toString = toString;
+    }
+
+    public static Consumer<TestCounter> variant(
+        final Consumer<Checker> checker,
+        final String name,
+        final Map<String, String> mapping
+    ) {
+        return counter ->
+            test(checker).accept(
+                new MarkupTester(mapping, "to" + name),
+                counter
+            );
+    }
+
+    public static BiConsumer<MarkupTester, TestCounter> test(
+        final Consumer<Checker> tester
+    ) {
+        return (checker, counter) ->
+            tester.accept(checker.new Checker(counter));
+    }
+
+    @Override
+    public String toString() {
+        return toString;
+    }
+
+    public class Checker extends BaseChecker {
+
+        public Checker(final TestCounter counter) {
+            super(counter);
+        }
+
+        private <T> MethodHandle findMethod(final T value) {
+            try {
+                return MethodHandles.publicLookup().findVirtual(
+                    value.getClass(),
+                    toString,
+                    MethodType.methodType(void.class, StringBuilder.class)
+                );
+            } catch (final NoSuchMethodException | IllegalAccessException e) {
+                throw Asserts.error(
+                    "Cannot find method 'void %s(StringBuilder)' for %s",
+                    toString,
+                    value.getClass()
+                );
+            }
+        }
+
+        public <T> void test(final T value, String expectedTemplate) {
+            final MethodHandle method = findMethod(value);
+            for (final Map.Entry<String, String> entry : mapping.entrySet()) {
+                expectedTemplate = expectedTemplate.replace(
+                    entry.getKey(),
+                    entry.getValue()
+                );
+            }
+
+            final String expected = expectedTemplate;
+            counter.println("Test " + counter.getTestNo());
+            counter.test(() -> {
+                final StringBuilder sb = new StringBuilder();
+                try {
+                    method.invoke(value, sb);
+                } catch (final Throwable e) {
+                    throw Asserts.error(
+                        "%s(StringBuilder) for %s thrown exception: %s",
+                        toString,
+                        value.getClass(),
+                        e
+                    );
+                }
+                Asserts.assertEquals("Result", expected, sb.toString());
+            });
+        }
+    }
+}
diff --git a/java/markup/OrderedList.java b/java/markup/OrderedList.java
new file mode 100644
index 0000000..1c170ca
--- /dev/null
+++ b/java/markup/OrderedList.java
@@ -0,0 +1,13 @@
+package markup;
+
+import java.util.List;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public class OrderedList extends AbstractList {
+
+    public OrderedList(List<ListItem> items) {
+        super(items, "ol", "\\begin{enumerate}", "\\end{enumerate}");
+    }
+}
diff --git a/java/markup/Paragraph.java b/java/markup/Paragraph.java
new file mode 100644
index 0000000..f5a0d33
--- /dev/null
+++ b/java/markup/Paragraph.java
@@ -0,0 +1,16 @@
+package markup;
+
+import java.util.List;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public class Paragraph
+    extends AbstractMarkup
+    implements ContainsInListItem, PrimePart
+{
+
+    public Paragraph(List<PartOfParagraph> items) {
+        super(items, "", "p", "\\par{}", "");
+    }
+}
diff --git a/java/markup/PartOfParagraph.java b/java/markup/PartOfParagraph.java
new file mode 100644
index 0000000..fdcbfa0
--- /dev/null
+++ b/java/markup/PartOfParagraph.java
@@ -0,0 +1,6 @@
+package markup;
+
+/**
+ * @author Nikita Doschennikov (me@fymio.us)
+ */
+public interface PartOfParagraph extends Markup {}
diff --git a/java/markup/package-info.java b/java/markup/package-info.java
new file mode 100644
index 0000000..b997b83
--- /dev/null
+++ b/java/markup/package-info.java
@@ -0,0 +1,7 @@
+/**
+ * Tests for <a href="https://www.kgeorgiy.info/courses/prog-intro/homeworks.html#markup">Markup</a> homework
+ * of <a href="https://www.kgeorgiy.info/courses/prog-intro/">Introduction to Programming</a> course.
+ *
+ * @author Georgiy Korneev (kgeorgiy@kgeorgiy.info)
+ */
+package markup;