godot-module-template/engine/tests/core/templates/test_span.h
2025-04-12 18:40:44 +02:00

71 lines
3.3 KiB
C++

/**************************************************************************/
/* test_span.h */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* 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 */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#pragma once
#include "core/templates/span.h"
#include "tests/test_macros.h"
namespace TestSpan {
TEST_CASE("[Span] Constexpr Validators") {
constexpr Span<uint16_t> span_empty;
static_assert(span_empty.ptr() == nullptr);
static_assert(span_empty.size() == 0);
static_assert(span_empty.is_empty());
constexpr static uint16_t value = 5;
constexpr Span<uint16_t> span_value(&value, 1);
static_assert(span_value.ptr() == &value);
static_assert(span_value.size() == 1);
static_assert(!span_value.is_empty());
static constexpr int ints[] = { 0, 1, 2, 3, 4, 5 };
constexpr Span<int> span_array = ints;
static_assert(span_array.size() == 6);
static_assert(!span_array.is_empty());
static_assert(span_array[0] == 0);
static_assert(span_array[span_array.size() - 1] == 5);
constexpr Span<char32_t> span_string = U"122345";
static_assert(span_string.size() == 6);
static_assert(!span_string.is_empty());
static_assert(span_string[0] == U'1');
static_assert(span_string[span_string.size() - 1] == U'5');
int idx = 0;
for (const char32_t &chr : span_string) {
CHECK_EQ(chr, span_string[idx++]);
}
}
} // namespace TestSpan