TEST_CASE("jitter sampler", "[sampler][jitter-sampler]") { JitterSampler a(2); Vector2 samples[4]; REQUIRE(a.degree() == 2); REQUIRE(a.sample_count() == 4); REQUIRE(a.has_next()); samples[0] = a.next(); REQUIRE(a.has_next()); samples[1] = a.next(); REQUIRE(a.has_next()); samples[2] = a.next(); REQUIRE(a.has_next()); samples[3] = a.next(); REQUIRE_FALSE(a.has_next()); REQUIRE(all(lessThanEqual(Vector2(0, 0), samples[0]))); REQUIRE(all(lessThanEqual(samples[0], Vector2(0.5f, 0.5f)))); REQUIRE(all(lessThanEqual(Vector2(0.5f, 0), samples[1]))); REQUIRE(all(lessThanEqual(samples[1], Vector2(1.0f, 0.5f)))); REQUIRE(all(lessThanEqual(Vector2(0, 0.5f), samples[2]))); REQUIRE(all(lessThanEqual(samples[2], Vector2(0.5f, 1.0f)))); REQUIRE(all(lessThanEqual(Vector2(0.5f, 0.5f), samples[3]))); REQUIRE(all(lessThanEqual(samples[3], Vector2(1.0f, 1.0f)))); a.reset(); REQUIRE(a.has_next()); }