1 // 100-Fix-Section.cpp 2 3 // Catch has two ways to express fixtures: 4 // - Sections (this file) 5 // - Traditional class-based fixtures 6 7 // main() provided in 000-CatchMain.cpp 8 9 #include <catch2/catch.hpp> 10 11 TEST_CASE( "vectors can be sized and resized", "[vector]" ) { 12 13 // For each section, vector v is anew: 14 15 std::vector<int> v( 5 ); 16 17 REQUIRE( v.size() == 5 ); 18 REQUIRE( v.capacity() >= 5 ); 19 20 SECTION( "resizing bigger changes size and capacity" ) { 21 v.resize( 10 ); 22 23 REQUIRE( v.size() == 10 ); 24 REQUIRE( v.capacity() >= 10 ); 25 } 26 SECTION( "resizing smaller changes size but not capacity" ) { 27 v.resize( 0 ); 28 29 REQUIRE( v.size() == 0 ); 30 REQUIRE( v.capacity() >= 5 ); 31 } 32 SECTION( "reserving bigger changes capacity but not size" ) { 33 v.reserve( 10 ); 34 35 REQUIRE( v.size() == 5 ); 36 REQUIRE( v.capacity() >= 10 ); 37 } 38 SECTION( "reserving smaller does not change size or capacity" ) { 39 v.reserve( 0 ); 40 41 REQUIRE( v.size() == 5 ); 42 REQUIRE( v.capacity() >= 5 ); 43 } 44 } 45 46 // Compile & run: 47 // - g++ -std=c++11 -Wall -I$(CATCH_SINGLE_INCLUDE) -o 100-Fix-Section 100-Fix-Section.cpp 000-CatchMain.o && 100-Fix-Section --success 48 // - cl -EHsc -I%CATCH_SINGLE_INCLUDE% 100-Fix-Section.cpp 000-CatchMain.obj && 100-Fix-Section --success 49 50 // Expected compact output (all assertions): 51 // 52 // prompt> 100-Fix-Section.exe --reporter compact --success 53 // 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5 54 // 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5 55 // 100-Fix-Section.cpp:23: passed: v.size() == 10 for: 10 == 10 56 // 100-Fix-Section.cpp:24: passed: v.capacity() >= 10 for: 10 >= 10 57 // 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5 58 // 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5 59 // 100-Fix-Section.cpp:29: passed: v.size() == 0 for: 0 == 0 60 // 100-Fix-Section.cpp:30: passed: v.capacity() >= 5 for: 5 >= 5 61 // 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5 62 // 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5 63 // 100-Fix-Section.cpp:35: passed: v.size() == 5 for: 5 == 5 64 // 100-Fix-Section.cpp:36: passed: v.capacity() >= 10 for: 10 >= 10 65 // 100-Fix-Section.cpp:17: passed: v.size() == 5 for: 5 == 5 66 // 100-Fix-Section.cpp:18: passed: v.capacity() >= 5 for: 5 >= 5 67 // 100-Fix-Section.cpp:41: passed: v.size() == 5 for: 5 == 5 68 // 100-Fix-Section.cpp:42: passed: v.capacity() >= 5 for: 5 >= 5 69 // Passed 1 test case with 16 assertions. 70
