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-rw-r--r--examples/311-Gen-CustomCapture.cpp41
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diff --git a/examples/311-Gen-CustomCapture.cpp b/examples/311-Gen-CustomCapture.cpp
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-// 311-Gen-CustomCapture.cpp
-// Shows how to provide custom capture list to the generator expression
-
-// Note that using variables inside generators is dangerous and should
-// be done only if you know what you are doing, because the generators
-// _WILL_ outlive the variables. Also, even if you know what you are
-// doing, you should probably use GENERATE_COPY or GENERATE_REF macros
-// instead. However, if your use case requires having a
-// per-variable custom capture list, this example shows how to achieve
-// that.
-
-#include <catch2/catch.hpp>
-
-TEST_CASE("Generate random doubles across different ranges",
- "[generator][example][advanced]") {
- // Workaround for old libstdc++
- using record = std::tuple<double, double>;
- // Set up 3 ranges to generate numbers from
- auto r1 = GENERATE(table<double, double>({
- record{3, 4},
- record{-4, -3},
- record{10, 1000}
- }));
-
- auto r2(r1);
-
- // This will take r1 by reference and r2 by value.
- // Note that there are no advantages for doing so in this example,
- // it is done only for expository purposes.
- auto number = Catch::Generators::generate( CATCH_INTERNAL_LINEINFO,
- [&r1, r2]{
- using namespace Catch::Generators;
- return makeGenerators(take(50, random(std::get<0>(r1), std::get<1>(r2))));
- }
- );
-
- REQUIRE(std::abs(number) > 0);
-}
-
-// Compiling and running this file will result in 150 successful assertions
-