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Copy pathspan.cpp
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55 lines (47 loc) · 1.46 KB
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#include <gtest/gtest.h>
#include <gtest/gtest-matchers.h>
#include <gmock/gmock.h>
#include <gmock/gmock-matchers.h>
#include <array>
#include "utils/span.hpp"
using cpptrace::detail::span;
using cpptrace::detail::make_span;
using cpptrace::detail::make_bspan;
namespace {
TEST(SpanTest, Basic) {
std::array<int, 5> arr{1, 2, 3, 4, 5};
// thanks microsoft for using horrible non-standard iterators, otherwise this would test with begin()/end()
auto span = make_span(arr.data(), arr.data() + arr.size());
EXPECT_EQ(span.data(), arr.data());
EXPECT_EQ(span.size(), 5);
EXPECT_EQ(span.data()[0], 1);
EXPECT_EQ(span.data()[1], 2);
EXPECT_EQ(span.data()[2], 3);
EXPECT_EQ(span.data()[3], 4);
EXPECT_EQ(span.data()[4], 5);
}
TEST(SpanTest, PtrSize) {
std::array<int, 5> arr{1, 2, 3, 4, 5};
auto span = make_span(arr.data(), arr.size());
EXPECT_EQ(span.data(), arr.data());
EXPECT_EQ(span.size(), 5);
EXPECT_EQ(span.data()[0], 1);
EXPECT_EQ(span.data()[1], 2);
EXPECT_EQ(span.data()[2], 3);
EXPECT_EQ(span.data()[3], 4);
EXPECT_EQ(span.data()[4], 5);
}
TEST(SpanTest, Bspan) {
struct S {
std::array<char, 4> data;
};
S s{{'a', 'b', 'c', 'd'}};
auto span = make_bspan(s);
EXPECT_EQ(span.data(), s.data.data());
EXPECT_EQ(span.size(), 4);
EXPECT_EQ(span.data()[0], 'a');
EXPECT_EQ(span.data()[1], 'b');
EXPECT_EQ(span.data()[2], 'c');
EXPECT_EQ(span.data()[3], 'd');
}
}