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Enable range generator for floating point types

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This commit is contained in:
Manuel Drews
2019-10-16 16:03:42 +02:00
committed by Martin Hořeňovský
parent 50cc14c94c
commit 4327baba40
7 changed files with 1399 additions and 6 deletions
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52
projects/SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp
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@@ -173,6 +173,58 @@ TEST_CASE("Generators internals", "[generators][internals]") {
REQUIRE_FALSE(gen.next());
}
}
SECTION("Floating Point") {
SECTION("Exact") {
const auto rangeStart = -1.;
const auto rangeEnd = 1.;
const auto step = .1;
auto gen = range(rangeStart, rangeEnd, step);
auto expected = rangeStart;
while( (rangeEnd - expected) > step ) {
INFO( "Current expected value is " << expected )
REQUIRE(gen.get() == Approx(expected));
REQUIRE(gen.next());
expected += step;
}
REQUIRE(gen.get() == Approx( rangeEnd ) );
REQUIRE_FALSE(gen.next());
}
SECTION("Slightly over end") {
const auto rangeStart = -1.;
const auto rangeEnd = 1.;
const auto step = .3;
auto gen = range(rangeStart, rangeEnd, step);
auto expected = rangeStart;
while( (rangeEnd - expected) > step ) {
INFO( "Current expected value is " << expected )
REQUIRE(gen.get() == Approx(expected));
REQUIRE(gen.next());
expected += step;
}
REQUIRE_FALSE(gen.next());
}
SECTION("Slightly under end") {
const auto rangeStart = -1.;
const auto rangeEnd = .9;
const auto step = .3;
auto gen = range(rangeStart, rangeEnd, step);
auto expected = rangeStart;
while( (rangeEnd - expected) > step ) {
INFO( "Current expected value is " << expected )
REQUIRE(gen.get() == Approx(expected));
REQUIRE(gen.next());
expected += step;
}
REQUIRE_FALSE(gen.next());
}
}
}
SECTION("Negative manual step") {
SECTION("Integer") {