@com.google.errorprone.annotations.CheckReturnValue

@com.google.errorprone.annotations.CheckReturnValue

@com.google.errorprone.annotations.CheckReturnValue

 * limitations under the License.
 */

package com.google.common.collect.testing;

import static com.google.common.collect.testing.Helpers.assertEqualIgnoringOrder;
import static com.google.common.collect.testing.Helpers.copyToList;
import static com.google.common.collect.testing.Helpers.copyToSet;
import static java.lang.System.arraycopy;
import static java.util.Arrays.asList;

---
title: Sample Markdown Document
author: John Doe
date: 2025-01-15
tags:
  - crawler
  - extractor
  - markdown
---

# Introduction

This is a sample Markdown document for testing the MarkdownExtractor.

## Features

The extractor should handle:

- YAML front matter extraction
- Heading structure
- **Bold text** and *italic text*
- Lists and other formatting

### Code Examples

    assertThat(expected).hasMessageThat().contains("testCheckNoOverflow_failure(0, 0)");
  }

  public void testNulls() {
    /*
     * Don't bother testing. All non-primitive parameters are used only to construct error messages.
     * We never want to pass null for them, so we haven't annotated them to say that null is

import com.google.common.collect.testing.IteratorFeature;
import com.google.common.collect.testing.IteratorTester;
import com.google.common.collect.testing.QueueTestSuiteBuilder;
import com.google.common.collect.testing.TestStringQueueGenerator;
import com.google.common.collect.testing.features.CollectionFeature;
import com.google.common.collect.testing.features.CollectionSize;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.Lists;
import com.google.common.testing.ClassSanityTester;
import com.google.common.testing.EqualsTester;
import java.io.NotSerializableException;
import java.io.Serializable;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.collect.Lists;
import com.google.common.testing.ClassSanityTester;
import com.google.common.testing.EqualsTester;
import java.io.NotSerializableException;
import java.io.Serializable;
import java.time.Duration;
import java.util.ArrayList;
import java.util.List;

import static com.google.common.collect.DiscreteDomain.integers;
import static com.google.common.collect.ReflectionFreeAssertThrows.assertThrows;
import static com.google.common.collect.testing.Helpers.testCompareToAndEquals;
import static com.google.common.testing.SerializableTester.reserializeAndAssert;
import static com.google.common.truth.Truth.assertThat;
import static java.util.Arrays.asList;

import com.google.common.annotations.GwtCompatible;