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53ca0cbe75
* all GTest/GMock files moved to `test/gtest` directory * `CMakeLists.txt` created in `test/gtest` from `CMakeLists.txt` in `test` * GTest/GMock target in CMake renamed to `gtest` (was `gmock`) * CMake `gtest` target updated to export includes as "gtest/gtest.h" or "gmock/gmock.h" only * includes in tests updated: "gtest.h" -> "gtest/gtest.h", "gmock.h" -> "gmock/gmock.h" * removed duplications of `target_include_directories` for GTest/GMock directories (CMake manages them)
117 lines
2.7 KiB
C++
117 lines
2.7 KiB
C++
// Formatting library for C++ - scanning API test
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//
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// Copyright (c) 2019 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include "scan.h"
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#include <time.h>
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#include <climits>
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#include "gmock/gmock.h"
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#include "gtest-extra.h"
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TEST(ScanTest, ReadText) {
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fmt::string_view s = "foo";
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auto end = fmt::scan(s, "foo");
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EXPECT_EQ(end, s.end());
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EXPECT_THROW_MSG(fmt::scan("fob", "foo"), fmt::format_error, "invalid input");
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}
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TEST(ScanTest, ReadInt) {
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int n = 0;
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fmt::scan("42", "{}", n);
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EXPECT_EQ(n, 42);
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fmt::scan("-42", "{}", n);
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EXPECT_EQ(n, -42);
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}
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TEST(ScanTest, ReadLongLong) {
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long long n = 0;
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fmt::scan("42", "{}", n);
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EXPECT_EQ(n, 42);
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fmt::scan("-42", "{}", n);
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EXPECT_EQ(n, -42);
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}
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TEST(ScanTest, ReadUInt) {
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unsigned n = 0;
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fmt::scan("42", "{}", n);
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EXPECT_EQ(n, 42);
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EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
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"invalid input");
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}
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TEST(ScanTest, ReadULongLong) {
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unsigned long long n = 0;
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fmt::scan("42", "{}", n);
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EXPECT_EQ(n, 42);
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EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
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"invalid input");
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}
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TEST(ScanTest, ReadString) {
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std::string s;
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fmt::scan("foo", "{}", s);
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EXPECT_EQ(s, "foo");
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}
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TEST(ScanTest, ReadStringView) {
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fmt::string_view s;
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fmt::scan("foo", "{}", s);
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EXPECT_EQ(s, "foo");
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}
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#ifndef _WIN32
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namespace fmt {
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template <> struct scanner<tm> {
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std::string format;
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scan_parse_context::iterator parse(scan_parse_context& ctx) {
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auto it = ctx.begin();
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if (it != ctx.end() && *it == ':') ++it;
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auto end = it;
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while (end != ctx.end() && *end != '}') ++end;
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format.reserve(detail::to_unsigned(end - it + 1));
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format.append(it, end);
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format.push_back('\0');
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return end;
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}
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template <class ScanContext>
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typename ScanContext::iterator scan(tm& t, ScanContext& ctx) {
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auto result = strptime(ctx.begin(), format.c_str(), &t);
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if (!result) throw format_error("failed to parse time");
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return result;
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}
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};
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} // namespace fmt
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TEST(ScanTest, ReadCustom) {
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const char* input = "Date: 1985-10-25";
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auto t = tm();
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fmt::scan(input, "Date: {0:%Y-%m-%d}", t);
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EXPECT_EQ(t.tm_year, 85);
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EXPECT_EQ(t.tm_mon, 9);
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EXPECT_EQ(t.tm_mday, 25);
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}
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#endif
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TEST(ScanTest, InvalidFormat) {
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EXPECT_THROW_MSG(fmt::scan("", "{}"), fmt::format_error,
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"argument index out of range");
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EXPECT_THROW_MSG(fmt::scan("", "{"), fmt::format_error,
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"invalid format string");
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}
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TEST(ScanTest, Example) {
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std::string key;
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int value;
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fmt::scan("answer = 42", "{} = {}", key, value);
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EXPECT_EQ(key, "answer");
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EXPECT_EQ(value, 42);
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}
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