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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:45:59 +0000
commit19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch)
tree42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/fmt/test/scan-test.cc
parentInitial commit. (diff)
downloadceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.tar.xz
ceph-6d07fdb6bb33b1af39833b850bb6cf8af79fe293.zip
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/fmt/test/scan-test.cc')
-rw-r--r--src/fmt/test/scan-test.cc116
1 files changed, 116 insertions, 0 deletions
diff --git a/src/fmt/test/scan-test.cc b/src/fmt/test/scan-test.cc
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+++ b/src/fmt/test/scan-test.cc
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+// Formatting library for C++ - scanning API test
+//
+// Copyright (c) 2019 - present, Victor Zverovich
+// All rights reserved.
+//
+// For the license information refer to format.h.
+
+#include "scan.h"
+
+#include <time.h>
+
+#include <climits>
+
+#include "gmock.h"
+#include "gtest-extra.h"
+
+TEST(ScanTest, ReadText) {
+ fmt::string_view s = "foo";
+ auto end = fmt::scan(s, "foo");
+ EXPECT_EQ(end, s.end());
+ EXPECT_THROW_MSG(fmt::scan("fob", "foo"), fmt::format_error, "invalid input");
+}
+
+TEST(ScanTest, ReadInt) {
+ int n = 0;
+ fmt::scan("42", "{}", n);
+ EXPECT_EQ(n, 42);
+ fmt::scan("-42", "{}", n);
+ EXPECT_EQ(n, -42);
+}
+
+TEST(ScanTest, ReadLongLong) {
+ long long n = 0;
+ fmt::scan("42", "{}", n);
+ EXPECT_EQ(n, 42);
+ fmt::scan("-42", "{}", n);
+ EXPECT_EQ(n, -42);
+}
+
+TEST(ScanTest, ReadUInt) {
+ unsigned n = 0;
+ fmt::scan("42", "{}", n);
+ EXPECT_EQ(n, 42);
+ EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
+ "invalid input");
+}
+
+TEST(ScanTest, ReadULongLong) {
+ unsigned long long n = 0;
+ fmt::scan("42", "{}", n);
+ EXPECT_EQ(n, 42);
+ EXPECT_THROW_MSG(fmt::scan("-42", "{}", n), fmt::format_error,
+ "invalid input");
+}
+
+TEST(ScanTest, ReadString) {
+ std::string s;
+ fmt::scan("foo", "{}", s);
+ EXPECT_EQ(s, "foo");
+}
+
+TEST(ScanTest, ReadStringView) {
+ fmt::string_view s;
+ fmt::scan("foo", "{}", s);
+ EXPECT_EQ(s, "foo");
+}
+
+#ifndef _WIN32
+namespace fmt {
+template <> struct scanner<tm> {
+ std::string format;
+
+ scan_parse_context::iterator parse(scan_parse_context& ctx) {
+ auto it = ctx.begin();
+ if (it != ctx.end() && *it == ':') ++it;
+ auto end = it;
+ while (end != ctx.end() && *end != '}') ++end;
+ format.reserve(detail::to_unsigned(end - it + 1));
+ format.append(it, end);
+ format.push_back('\0');
+ return end;
+ }
+
+ template <class ScanContext>
+ typename ScanContext::iterator scan(tm& t, ScanContext& ctx) {
+ auto result = strptime(ctx.begin(), format.c_str(), &t);
+ if (!result) throw format_error("failed to parse time");
+ return result;
+ }
+};
+} // namespace fmt
+
+TEST(ScanTest, ReadCustom) {
+ const char* input = "Date: 1985-10-25";
+ auto t = tm();
+ fmt::scan(input, "Date: {0:%Y-%m-%d}", t);
+ EXPECT_EQ(t.tm_year, 85);
+ EXPECT_EQ(t.tm_mon, 9);
+ EXPECT_EQ(t.tm_mday, 25);
+}
+#endif
+
+TEST(ScanTest, InvalidFormat) {
+ EXPECT_THROW_MSG(fmt::scan("", "{}"), fmt::format_error,
+ "argument index out of range");
+ EXPECT_THROW_MSG(fmt::scan("", "{"), fmt::format_error,
+ "invalid format string");
+}
+
+TEST(ScanTest, Example) {
+ std::string key;
+ int value;
+ fmt::scan("answer = 42", "{} = {}", key, value);
+ EXPECT_EQ(key, "answer");
+ EXPECT_EQ(value, 42);
+}