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Add another test for FilterGenerator

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This commit is contained in:
Martin Hořeňovský
2019-02-23 20:37:30 +01:00
parent 693647c43f
commit ef5fd8d42f
6 changed files with 78 additions and 33 deletions
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12
projects/SelfTest/UsageTests/Generators.tests.cpp
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@@ -118,9 +118,15 @@ TEST_CASE("Generators -- adapters", "[generators][generic]") {
// TODO: This won't work yet, introduce GENERATE_VAR?
//auto numbers = Catch::Generators::values({ 1, 2, 3, 4, 5, 6 });
SECTION("Filtering by predicate") {
// This filters out all odd (false) numbers, giving [2, 4, 6]
auto i = GENERATE(filter([] (int val) { return val % 2 == 0; }, values({ 1, 2, 3, 4, 5, 6 })));
REQUIRE(i % 2 == 0);
SECTION("Basic usage") {
// This filters out all odd (false) numbers, giving [2, 4, 6]
auto i = GENERATE(filter([] (int val) { return val % 2 == 0; }, values({ 1, 2, 3, 4, 5, 6 })));
REQUIRE(i % 2 == 0);
}
SECTION("Throws if there are no matching values") {
using namespace Catch::Generators;
REQUIRE_THROWS_AS(filter([] (int) {return false; }, value(1)), Catch::GeneratorException);
}
}
SECTION("Shortening a range") {
// This takes the first 3 elements from the values, giving back [1, 2, 3]