1ad233c60SMichael Jones //===-- Unittests for printf ---------------------------------------------===// 2ad233c60SMichael Jones // 3ad233c60SMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4ad233c60SMichael Jones // See https://llvm.org/LICENSE.txt for license information. 5ad233c60SMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6ad233c60SMichael Jones // 7ad233c60SMichael Jones //===----------------------------------------------------------------------===// 8ad233c60SMichael Jones 9ad233c60SMichael Jones #include "src/stdio/printf.h" 10ad233c60SMichael Jones 11af1315c2SSiva Chandra Reddy #include "test/UnitTest/Test.h" 12ad233c60SMichael Jones TEST(LlvmLibcPrintfTest,PrintOut)13ad233c60SMichael JonesTEST(LlvmLibcPrintfTest, PrintOut) { 14ad233c60SMichael Jones int written; 15ad233c60SMichael Jones 16ad233c60SMichael Jones constexpr char simple[] = "A simple string with no conversions.\n"; 17*b6bc9d72SGuillaume Chatelet written = LIBC_NAMESPACE::printf(simple); 18ad233c60SMichael Jones EXPECT_EQ(written, static_cast<int>(sizeof(simple) - 1)); 19ad233c60SMichael Jones 20ad233c60SMichael Jones constexpr char numbers[] = "1234567890\n"; 21*b6bc9d72SGuillaume Chatelet written = LIBC_NAMESPACE::printf("%s", numbers); 22ad233c60SMichael Jones EXPECT_EQ(written, static_cast<int>(sizeof(numbers) - 1)); 23ad233c60SMichael Jones 24ad233c60SMichael Jones constexpr char format_more[] = "%s and more\n"; 25ad233c60SMichael Jones constexpr char short_numbers[] = "1234"; 26*b6bc9d72SGuillaume Chatelet written = LIBC_NAMESPACE::printf(format_more, short_numbers); 27ad233c60SMichael Jones EXPECT_EQ(written, 28ad233c60SMichael Jones static_cast<int>(sizeof(format_more) + sizeof(short_numbers) - 4)); 29ad233c60SMichael Jones } 30