1 //===-- Unittests for printf ---------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/stdio/printf.h" 10 11 #include "test/UnitTest/Test.h" 12 TEST(LlvmLibcPrintfTest,PrintOut)13TEST(LlvmLibcPrintfTest, PrintOut) { 14 int written; 15 16 constexpr char simple[] = "A simple string with no conversions.\n"; 17 written = LIBC_NAMESPACE::printf(simple); 18 EXPECT_EQ(written, static_cast<int>(sizeof(simple) - 1)); 19 20 constexpr char numbers[] = "1234567890\n"; 21 written = LIBC_NAMESPACE::printf("%s", numbers); 22 EXPECT_EQ(written, static_cast<int>(sizeof(numbers) - 1)); 23 24 constexpr char format_more[] = "%s and more\n"; 25 constexpr char short_numbers[] = "1234"; 26 written = LIBC_NAMESPACE::printf(format_more, short_numbers); 27 EXPECT_EQ(written, 28 static_cast<int>(sizeof(format_more) + sizeof(short_numbers) - 4)); 29 } 30