/**************************************************************************/
/* test_fixed_vector.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
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#include "tests/test_macros.h"
TEST_FORCE_LINK(test_fixed_vector)
#include "core/templates/fixed_vector.h"
namespace TestFixedVector {
struct MoveOnly {
bool is_alive = true;
MoveOnly() = default;
MoveOnly(const MoveOnly &p) = delete;
MoveOnly &operator=(const MoveOnly &p) = delete;
MoveOnly(MoveOnly &&p) {
is_alive = p.is_alive;
p.is_alive = false;
}
MoveOnly &operator=(MoveOnly &&p) {
if (&p == this) {
return *this;
}
is_alive = p.is_alive;
p.is_alive = false;
return *this;
}
};
static_assert(!std::is_trivially_copyable_v<MoveOnly>);
static_assert(!std::is_trivially_constructible_v<MoveOnly>);
TEST_CASE("[FixedVector] Basic Checks") {
FixedVector<uint16_t, 1> vector;
CHECK_EQ(vector.capacity(), 1);
CHECK_EQ(vector.size(), 0);
CHECK(vector.is_empty());
CHECK(!vector.is_full());
vector.push_back(5);
CHECK_EQ(vector.size(), 1);
CHECK_EQ(vector[0], 5);
CHECK_EQ(vector.ptr()[0], 5);
CHECK(!vector.is_empty());
CHECK(vector.is_full());
vector.pop_back();
CHECK_EQ(vector.size(), 0);
CHECK(vector.is_empty());
CHECK(!vector.is_full());
FixedVector<uint16_t, 2> vector1 = { 1, 2 };
CHECK_EQ(vector1.capacity(), 2);
CHECK_EQ(vector1.size(), 2);
CHECK_EQ(vector1[0], 1);
CHECK_EQ(vector1[1], 2);
FixedVector<Variant, 3> vector_variant;
CHECK_EQ(vector_variant.size(), 0);
CHECK_EQ(vector_variant.capacity(), 3);
vector_variant.resize_initialized(3);
vector_variant[0] = "Test";
vector_variant[1] = 1;
CHECK_EQ(vector_variant.capacity(), 3);
CHECK_EQ(vector_variant.size(), 3);
CHECK_EQ(vector_variant[0], "Test");
CHECK_EQ(vector_variant[1], Variant(1));
CHECK_EQ(vector_variant[2].get_type(), Variant::NIL);
// Test that move-only types are transferred.
FixedVector<MoveOnly, 1> a;
a.push_back(MoveOnly());
CHECK_EQ(a.size(), 1);
FixedVector<MoveOnly, 1> b(std::move(a));
CHECK_EQ(a.size(), 0);
CHECK_EQ(b.size(), 1);
a = std::move(b);
CHECK_EQ(a.size(), 1);
CHECK_EQ(b.size(), 0);
}
TEST_CASE("[FixedVector] Alignment Checks") {
FixedVector<uint16_t, 4> vector_uint16;
vector_uint16.resize_uninitialized(4);
CHECK((size_t)&vector_uint16[0] % alignof(uint16_t) == 0);
CHECK((size_t)&vector_uint16[1] % alignof(uint16_t) == 0);
CHECK((size_t)&vector_uint16[2] % alignof(uint16_t) == 0);
CHECK((size_t)&vector_uint16[3] % alignof(uint16_t) == 0);
FixedVector<uint32_t, 4> vector_uint32;
vector_uint32.resize_uninitialized(4);
CHECK((size_t)&vector_uint32[0] % alignof(uint32_t) == 0);
CHECK((size_t)&vector_uint32[1] % alignof(uint32_t) == 0);
CHECK((size_t)&vector_uint32[2] % alignof(uint32_t) == 0);
CHECK((size_t)&vector_uint32[3] % alignof(uint32_t) == 0);
FixedVector<uint64_t, 4> vector_uint64;
vector_uint64.resize_uninitialized(4);
CHECK((size_t)&vector_uint64[0] % alignof(uint64_t) == 0);
CHECK((size_t)&vector_uint64[1] % alignof(uint64_t) == 0);
CHECK((size_t)&vector_uint64[2] % alignof(uint64_t) == 0);
CHECK((size_t)&vector_uint64[3] % alignof(uint64_t) == 0);
}
} // namespace TestFixedVector