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Cleaned up some of the README.md language. Added demonstration of sections in the example code.

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README.md
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@ -13,13 +13,9 @@
## What is Catch2?
Catch2 is mainly a unit testing framework for C++, but it also
provides basic micro-benchmarking features, and simple BDD macros.
Catch2 is a light-weight yet powerful unit testing framework for C++14. Catch2 also contains basic micro-benchmarking features, simple BDD macros, and more.
Catch2's main advantage is that using it is both simple and natural.
Test names do not have to be valid identifiers, assertions look like
normal C++ boolean expressions, and sections provide a nice and local way
to share set-up and tear-down code in tests.
Catch2's main advantage compared to other unit testing frameworks is its ease of use. It allows for unit tests to be created in a both a simple and natural manner. For example: Test names do not have to be valid identifiers, assertions are written similar to normal C++ boolean expressions, and sections provide a nice and local way to share set-up and tear-down code in tests. Furthermore, users can run specific tests or sets of tests conveniently through the command line
**Example unit test**
```cpp
@ -32,10 +28,12 @@ uint32_t factorial( uint32_t number ) {
}
TEST_CASE( "Factorials are computed", "[factorial]" ) {
REQUIRE( factorial( 1) == 1 );
REQUIRE( factorial( 2) == 2 );
REQUIRE( factorial( 3) == 6 );
REQUIRE( factorial(10) == 3'628'800 );
SECTION( "odd factorials are tested" )
REQUIRE( factorial( 1) == 1 );
REQUIRE( factorial( 3) == 6 );
SECTION( "even factorials are tested" )
REQUIRE( factorial( 2) == 2 );
REQUIRE( factorial(10) == 3'628'800 );
}
```