eden-emu/Catch2
15
0
Fork 0
mirror of https://github.com/catchorg/Catch2.git synced 2025-06-03 10:27:57 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Add test for filtering out multiple initial values in filter gen

Browse source
This commit is contained in:
Martin Hořeňovský 2021-10-28 11:26:34 +02:00
parent 514206df36
commit 3c5c86a4e4
No known key found for this signature in database
GPG key ID: DE48307B8B0D381A
8 changed files with 185 additions and 58 deletions
Download patch file Download diff file Expand all files Collapse all files

27
tests/SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp
View file

@ -50,14 +50,27 @@ TEST_CASE("Generators internals", "[generators][internals]") {
}
SECTION("Filter generator") {
// Normal usage
auto gen = filter([] (int i) { return i != 2; }, values({ 2, 1, 2, 3, 2, 2 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
SECTION("Simple filtering") {
auto gen = filter([](int i) { return i != 2; }, values({ 2, 1, 2, 3, 2, 2 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
}
SECTION("Filter out multiple elements at the start and end") {
auto gen = filter([](int i) { return i != 2; }, values({ 2, 2, 1, 3, 2, 2 }));
REQUIRE(gen.get() == 1);
REQUIRE(gen.next());
REQUIRE(gen.get() == 3);
REQUIRE_FALSE(gen.next());
}
// Completely filtered-out generator should throw on construction
REQUIRE_THROWS_AS(filter([] (int) { return false; }, value(1)), Catch::GeneratorException);
SECTION("Throws on construction if it can't get initial element") {
REQUIRE_THROWS_AS(filter([](int) { return false; }, value(1)), Catch::GeneratorException);
REQUIRE_THROWS_AS(
filter([](int) { return false; }, values({ 1, 2, 3 })),
Catch::GeneratorException);
}
}
SECTION("Take generator") {
SECTION("Take less") {