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# Bzip2 Tests
> **Directory**: `bzip2/`
> **Test Suites**: Quick (default), Large
> **Latest Version**: 0.0.5-1
---
## Overview
Bzip2 has two test suites for validating compression and decompression functionality.
---
## Test Suites
| Suite | Files | Speed | Valgrind |
|-------|-------|-------|----------|
| **Quick** | Small set | Fast (~seconds) | ✅ Enabled |
| **Large** | Many files | Slow (~minutes) | ❌ Disabled |
---
## Quick Test Suite
The default test suite validates basic functionality:
### What It Tests
1. **Compression** — Compress reference files, decompress, verify match
2. **Decompression** — Decompress `.bz2` files, verify against reference
3. **Multiple modes** — Tests various compression levels
### Running
```bash
# CMake
cd bzip2/build
ctest -V
# Meson
meson test -C builddir --print-errorlogs
```
---
## Large Test Suite
Comprehensive test with files from various sources:
### Contents
- ✅ Good `.bz2` files — Should decompress correctly
- ❌ Bad `.bz2.bad` files — Should fail gracefully
### Running
Integrated with the build system test commands.
---
## Valgrind Integration
The quick tests run under Valgrind if available:
```bash
# Check if Valgrind is detected
cmake .. -DCMAKE_BUILD_TYPE=Debug
# Valgrind runs automatically during ctest
```
The large tests have Valgrind disabled (would take 35+ minutes).
---
## Related Documentation
- [Bzip2 Overview](./bzip2.md) — Main documentation
- [Compiling](./bzip2-compiling.md) — Build instructions
- [Test Files](./bzip2-testfiles.md) — Test file collection
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