79 lines
2.7 KiB
C++
79 lines
2.7 KiB
C++
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// Copyright Catch2 Authors
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE.txt or copy at
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// https://www.boost.org/LICENSE_1_0.txt)
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// SPDX-License-Identifier: BSL-1.0
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// 100-Fix-Section.cpp
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// Catch has two ways to express fixtures:
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// - Sections (this file)
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// - Traditional class-based fixtures
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// main() provided by linkage to Catch2WithMain
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#include <catch2/catch_test_macros.hpp>
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#include <vector>
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TEST_CASE( "vectors can be sized and resized", "[vector]" ) {
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// For each section, vector v is anew:
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std::vector<int> v( 5 );
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REQUIRE( v.size() == 5 );
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REQUIRE( v.capacity() >= 5 );
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SECTION( "resizing bigger changes size and capacity" ) {
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v.resize( 10 );
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REQUIRE( v.size() == 10 );
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REQUIRE( v.capacity() >= 10 );
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}
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SECTION( "resizing smaller changes size but not capacity" ) {
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v.resize( 0 );
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REQUIRE( v.size() == 0 );
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REQUIRE( v.capacity() >= 5 );
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}
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SECTION( "reserving bigger changes capacity but not size" ) {
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v.reserve( 10 );
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REQUIRE( v.size() == 5 );
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REQUIRE( v.capacity() >= 10 );
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}
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SECTION( "reserving smaller does not change size or capacity" ) {
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v.reserve( 0 );
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REQUIRE( v.size() == 5 );
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REQUIRE( v.capacity() >= 5 );
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}
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}
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// Compile & run:
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// - g++ -std=c++14 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 100-Fix-Section 100-Fix-Section.cpp && 100-Fix-Section --success
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// - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 100-Fix-Section.cpp && 100-Fix-Section --success
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// Expected compact output (all assertions):
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//
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// prompt> 100-Fix-Section.exe --reporter compact --success
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// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
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// 100-Fix-Section.cpp:23: passed: v.size() == 10 for: 10 == 10
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// 100-Fix-Section.cpp:24: passed: v.capacity() >= 10 for: 10 >= 10
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// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
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// 100-Fix-Section.cpp:29: passed: v.size() == 0 for: 0 == 0
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// 100-Fix-Section.cpp:30: passed: v.capacity() >= 5 for: 5 >= 5
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// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
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// 100-Fix-Section.cpp:35: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:36: passed: v.capacity() >= 10 for: 10 >= 10
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// 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5
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// 100-Fix-Section.cpp:41: passed: v.size() == 5 for: 5 == 5
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// 100-Fix-Section.cpp:42: passed: v.capacity() >= 5 for: 5 >= 5
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// Passed 1 test case with 16 assertions.
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