| /* |
| Tests of variadic function emulation macros. |
| |
| Copyright (c) 2012-2014, Victor Zverovich |
| All rights reserved. |
| |
| Redistribution and use in source and binary forms, with or without |
| modification, are permitted provided that the following conditions are met: |
| |
| 1. Redistributions of source code must retain the above copyright notice, this |
| list of conditions and the following disclaimer. |
| 2. Redistributions in binary form must reproduce the above copyright notice, |
| this list of conditions and the following disclaimer in the documentation |
| and/or other materials provided with the distribution. |
| |
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR |
| ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <utility> |
| #include <gtest/gtest.h> |
| |
| #define FMT_USE_VARIADIC_TEMPLATES 0 |
| #include "fmt/format.h" |
| |
| #define IDENTITY(x) x |
| |
| TEST(UtilTest, Gen) { |
| int values[] = {FMT_GEN(10, IDENTITY)}; |
| for (int i = 0; i < 10; ++i) |
| EXPECT_EQ(i, values[i]); |
| } |
| |
| #define MAKE_PAIR(x, y) std::make_pair(x, y) |
| |
| TEST(UtilTest, ForEach) { |
| std::pair<char, int> values[] = { |
| FMT_FOR_EACH10(MAKE_PAIR, 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j') |
| }; |
| for (int i = 0; i < 10; ++i) { |
| EXPECT_EQ('a' + i, values[i].first); |
| EXPECT_EQ(i, values[i].second); |
| } |
| } |
| |
| TEST(UtilTest, NArg) { |
| EXPECT_EQ(1, FMT_NARG(a)); |
| EXPECT_EQ(2, FMT_NARG(a, b)); |
| EXPECT_EQ(3, FMT_NARG(a, b, c)); |
| EXPECT_EQ(4, FMT_NARG(a, b, c, d)); |
| EXPECT_EQ(5, FMT_NARG(a, b, c, d, e)); |
| EXPECT_EQ(6, FMT_NARG(a, b, c, d, e, f)); |
| EXPECT_EQ(7, FMT_NARG(a, b, c, d, e, f, g)); |
| EXPECT_EQ(8, FMT_NARG(a, b, c, d, e, f, g, h)); |
| EXPECT_EQ(9, FMT_NARG(a, b, c, d, e, f, g, h, i)); |
| EXPECT_EQ(10, FMT_NARG(a, b, c, d, e, f, g, h, i, j)); |
| } |
| |
| int result; |
| |
| #define MAKE_TEST(func) \ |
| void func(const char *, const fmt::format_args &args) { \ |
| result = 0; \ |
| for (unsigned i = 0; args[i].type; ++i) \ |
| result += args[i].int_value; \ |
| } |
| |
| MAKE_TEST(test_func) |
| |
| typedef char Char; |
| |
| MAKE_TEST(test_variadic_void) |
| FMT_VARIADIC_VOID(test_variadic_void, const char *) |
| |
| TEST(UtilTest, VariadicVoid) { |
| result = 0; |
| test_variadic_void("", 10, 20, 30, 40, 50, 60, 70, 80, 90, 100); |
| EXPECT_EQ(550, result); |
| } |
| |
| template <int> |
| struct S {}; |
| |
| #define GET_TYPE(n) S<n> |
| |
| int test_variadic(FMT_GEN(10, GET_TYPE), const fmt::format_args &args) { \ |
| int result = 0; \ |
| for (unsigned i = 0; args[i].type; ++i) \ |
| result += args[i].int_value; \ |
| return result; |
| } |
| FMT_VARIADIC(int, test_variadic, |
| S<0>, S<1>, S<2>, S<3>, S<4>, S<5>, S<6>, S<7>, S<8>, S<9>) |
| |
| #define MAKE_ARG(n) S<n>() |
| |
| TEST(UtilTest, Variadic) { |
| EXPECT_EQ(550, test_variadic(FMT_GEN(10, MAKE_ARG), |
| 10, 20, 30, 40, 50, 60, 70, 80, 90, 100)); |
| } |