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test: cover some corner cases of the flow class

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This commit is contained in:
Michele Caini
2022-11-24 09:32:58 +01:00
parent 9eafc0431d
commit 3e5e41d88f
1 changed files with 52 additions and 0 deletions
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52
test/entt/graph/flow.cpp
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@@ -1,6 +1,7 @@
#include <gtest/gtest.h>
#include <entt/core/hashed_string.hpp>
#include <entt/graph/flow.hpp>
#include "../common/config.h"
#include "../common/throwing_allocator.hpp"
TEST(Flow, Constructors) {
@@ -270,6 +271,57 @@ TEST(Flow, Sync) {
ASSERT_EQ(it, last);
}
ENTT_DEBUG_TEST(FlowDeathTest, NoBind) {
entt::flow flow{};
ASSERT_DEATH(flow.ro(42), "");
ASSERT_DEATH(flow.rw(42), "");
flow.bind(0);
ASSERT_NO_FATAL_FAILURE(flow.ro(1));
ASSERT_NO_FATAL_FAILURE(flow.rw(2));
}
TEST(Flow, DirectRebind) {
entt::flow flow{};
flow.bind(0).ro(10).rw(10).bind(1).ro(10);
auto graph = flow.graph();
ASSERT_EQ(flow.size(), 2u);
ASSERT_EQ(flow.size(), graph.size());
ASSERT_NE(graph.edges().cbegin(), graph.edges().cend());
ASSERT_TRUE(graph.contains(0u, 1u));
ASSERT_FALSE(graph.contains(1u, 0u));
}
TEST(Flow, DeferredRebind) {
entt::flow flow{};
flow.bind(0).ro(10).bind(1).ro(10).bind(0).rw(10);
auto graph = flow.graph();
ASSERT_EQ(flow.size(), 2u);
ASSERT_EQ(flow.size(), graph.size());
ASSERT_NE(graph.edges().cbegin(), graph.edges().cend());
ASSERT_FALSE(graph.contains(0u, 1u));
ASSERT_TRUE(graph.contains(1u, 0u));
}
TEST(Flow, Loop) {
entt::flow flow{};
flow.bind(0).rw(10).bind(1).ro(10).bind(0).rw(10);
auto graph = flow.graph();
ASSERT_EQ(flow.size(), 2u);
ASSERT_EQ(flow.size(), graph.size());
ASSERT_NE(graph.edges().cbegin(), graph.edges().cend());
ASSERT_TRUE(graph.contains(0u, 1u));
ASSERT_TRUE(graph.contains(1u, 0u));
}
TEST(Flow, ThrowingAllocator) {
using allocator = test::throwing_allocator<entt::id_type>;
using task_allocator = test::throwing_allocator<std::pair<std::size_t, entt::id_type>>;