4491d606df
-- 70f43a482d7d4ae4a255f17ca02b0106653dd600 by Shaindel Schwartz <shaindel@google.com>: Internal change PiperOrigin-RevId: 201571193 -- 93e6e9c2e683158be49d9dd1f5cb1a91d0c0f556 by Abseil Team <absl-team@google.com>: Internal change. PiperOrigin-RevId: 201567108 -- fbd8ee94fbe9f2448e5adf5e88706f9c8216048f by Juemin Yang <jueminyang@google.com>: str_format release PiperOrigin-RevId: 201565129 -- 387faa301555a8a888c4429df52734aa806dca46 by Abseil Team <absl-team@google.com>: Adds a defaulted allocator parameter to the size_type constructor of InlinedVector PiperOrigin-RevId: 201558711 -- 39b15ea2c68d7129d70cbde7e71af900032595ec by Matt Calabrese <calabrese@google.com>: Update the variant implementation to eliminate unnecessary checking on alternative access when the index is known or required to be correct. PiperOrigin-RevId: 201529535 -- adab77f1f7bb363aa534297f22aae2b0f08889ea by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 201458388 -- a701dc0ba62e3cadf0de14203415b91df4ee8151 by Greg Falcon <gfalcon@google.com>: Internal cleanup PiperOrigin-RevId: 201394836 -- 8a7191410b8f440fdfa27f722ff05e451502ab61 by Abseil Team <absl-team@google.com>: Import of CCTZ from GitHub. PiperOrigin-RevId: 201369269 GitOrigin-RevId: 70f43a482d7d4ae4a255f17ca02b0106653dd600 Change-Id: I8ab073b30b4e27405a3b6da2c826bb4f3f0b9af6
111 lines
4 KiB
C++
111 lines
4 KiB
C++
// Copyright 2017 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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#include "absl/strings/internal/str_format/arg.h"
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#include <ostream>
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#include <string>
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#include "gtest/gtest.h"
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#include "absl/strings/str_format.h"
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namespace absl {
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namespace str_format_internal {
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namespace {
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class FormatArgImplTest : public ::testing::Test {
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public:
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enum Color { kRed, kGreen, kBlue };
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static const char *hi() { return "hi"; }
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};
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TEST_F(FormatArgImplTest, ToInt) {
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int out = 0;
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EXPECT_TRUE(FormatArgImplFriend::ToInt(FormatArgImpl(1), &out));
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EXPECT_EQ(1, out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(FormatArgImpl(-1), &out));
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EXPECT_EQ(-1, out);
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EXPECT_TRUE(
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FormatArgImplFriend::ToInt(FormatArgImpl(static_cast<char>(64)), &out));
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EXPECT_EQ(64, out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(
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FormatArgImpl(static_cast<unsigned long long>(123456)), &out)); // NOLINT
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EXPECT_EQ(123456, out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(
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FormatArgImpl(static_cast<unsigned long long>( // NOLINT
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std::numeric_limits<int>::max()) +
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1),
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&out));
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EXPECT_EQ(std::numeric_limits<int>::max(), out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(
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FormatArgImpl(static_cast<long long>( // NOLINT
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std::numeric_limits<int>::min()) -
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10),
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&out));
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EXPECT_EQ(std::numeric_limits<int>::min(), out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(FormatArgImpl(false), &out));
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EXPECT_EQ(0, out);
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EXPECT_TRUE(FormatArgImplFriend::ToInt(FormatArgImpl(true), &out));
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EXPECT_EQ(1, out);
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EXPECT_FALSE(FormatArgImplFriend::ToInt(FormatArgImpl(2.2), &out));
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EXPECT_FALSE(FormatArgImplFriend::ToInt(FormatArgImpl(3.2f), &out));
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EXPECT_FALSE(FormatArgImplFriend::ToInt(
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FormatArgImpl(static_cast<int *>(nullptr)), &out));
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EXPECT_FALSE(FormatArgImplFriend::ToInt(FormatArgImpl(hi()), &out));
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EXPECT_FALSE(FormatArgImplFriend::ToInt(FormatArgImpl("hi"), &out));
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EXPECT_TRUE(FormatArgImplFriend::ToInt(FormatArgImpl(kBlue), &out));
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EXPECT_EQ(2, out);
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}
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extern const char kMyArray[];
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TEST_F(FormatArgImplTest, CharArraysDecayToCharPtr) {
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const char* a = "";
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(a)),
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FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl("")));
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(a)),
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FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl("A")));
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(a)),
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FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl("ABC")));
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(a)),
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FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(kMyArray)));
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}
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TEST_F(FormatArgImplTest, OtherPtrDecayToVoidPtr) {
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auto expected = FormatArgImplFriend::GetVTablePtrForTest(
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FormatArgImpl(static_cast<void *>(nullptr)));
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(
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FormatArgImpl(static_cast<int *>(nullptr))),
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expected);
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(
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FormatArgImpl(static_cast<volatile int *>(nullptr))),
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expected);
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auto p = static_cast<void (*)()>([] {});
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EXPECT_EQ(FormatArgImplFriend::GetVTablePtrForTest(FormatArgImpl(p)),
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expected);
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}
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TEST_F(FormatArgImplTest, WorksWithCharArraysOfUnknownSize) {
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std::string s;
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FormatSinkImpl sink(&s);
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ConversionSpec conv;
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conv.set_conv(ConversionChar::FromChar('s'));
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conv.set_flags(Flags());
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conv.set_width(-1);
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conv.set_precision(-1);
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EXPECT_TRUE(
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FormatArgImplFriend::Convert(FormatArgImpl(kMyArray), conv, &sink));
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sink.Flush();
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EXPECT_EQ("ABCDE", s);
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}
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const char kMyArray[] = "ABCDE";
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} // namespace
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} // namespace str_format_internal
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} // namespace absl
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