xref: /aosp_15_r20/external/llvm-libc/test/src/stdio/puts_test.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1*71db0c75SAndroid Build Coastguard Worker //===-- Unittests for puts ---------------------------------------------===//
2*71db0c75SAndroid Build Coastguard Worker //
3*71db0c75SAndroid Build Coastguard Worker // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4*71db0c75SAndroid Build Coastguard Worker // See https://llvm.org/LICENSE.txt for license information.
5*71db0c75SAndroid Build Coastguard Worker // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6*71db0c75SAndroid Build Coastguard Worker //
7*71db0c75SAndroid Build Coastguard Worker //===----------------------------------------------------------------------===//
8*71db0c75SAndroid Build Coastguard Worker 
9*71db0c75SAndroid Build Coastguard Worker #include "src/stdio/puts.h"
10*71db0c75SAndroid Build Coastguard Worker 
11*71db0c75SAndroid Build Coastguard Worker #include "test/UnitTest/Test.h"
12*71db0c75SAndroid Build Coastguard Worker 
TEST(LlvmLibcPutsTest,PrintOut)13*71db0c75SAndroid Build Coastguard Worker TEST(LlvmLibcPutsTest, PrintOut) {
14*71db0c75SAndroid Build Coastguard Worker   int result;
15*71db0c75SAndroid Build Coastguard Worker 
16*71db0c75SAndroid Build Coastguard Worker   constexpr char simple[] = "A simple string";
17*71db0c75SAndroid Build Coastguard Worker   result = LIBC_NAMESPACE::puts(simple);
18*71db0c75SAndroid Build Coastguard Worker   EXPECT_GE(result, 0);
19*71db0c75SAndroid Build Coastguard Worker 
20*71db0c75SAndroid Build Coastguard Worker   // check that it appends a second newline at the end.
21*71db0c75SAndroid Build Coastguard Worker   constexpr char numbers[] = "1234567890\n";
22*71db0c75SAndroid Build Coastguard Worker   result = LIBC_NAMESPACE::puts(numbers);
23*71db0c75SAndroid Build Coastguard Worker   EXPECT_GE(result, 0);
24*71db0c75SAndroid Build Coastguard Worker 
25*71db0c75SAndroid Build Coastguard Worker   constexpr char more[] = "1234 and more\n6789 and rhyme";
26*71db0c75SAndroid Build Coastguard Worker   result = LIBC_NAMESPACE::puts(more);
27*71db0c75SAndroid Build Coastguard Worker   EXPECT_GE(result, 0);
28*71db0c75SAndroid Build Coastguard Worker }
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