libc/test/integration/src/unistd/execv_test.cpp

   1 //===-- Unittests for execv -----------------------------------------------===//
   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/sys/wait/waitpid.h"
  10 #include "src/unistd/execv.h"
  11 #include "src/unistd/fork.h"
  12
  13 #include "test/IntegrationTest/test.h"
  14
  15 #include <signal.h>
  16 #include <sys/wait.h>
  17
  18 void fork_and_execv_normal_exit() {
  19   pid_t pid = LIBC_NAMESPACE::fork();
  20   if (pid == 0) {
  21     const char *path = "libc_execv_test_normal_exit";
  22     char *const argv[] = {
  23         const_cast<char *>("execv_test_normal_exit"),
  24         nullptr,
  25     };
  26     LIBC_NAMESPACE::execv(path, argv);
  27   }
  28   ASSERT_TRUE(pid > 0);
  29   int status;
  30   pid_t cpid = LIBC_NAMESPACE::waitpid(pid, &status, 0);
  31   ASSERT_TRUE(cpid > 0);
  32   ASSERT_EQ(cpid, pid);
  33   ASSERT_TRUE(WIFEXITED(status));
  34 }
  35
  36 void fork_and_execv_signal_exit() {
  37   pid_t pid = LIBC_NAMESPACE::fork();
  38   if (pid == 0) {
  39     const char *path = "libc_execv_test_signal_exit";
  40     char *const argv[] = {
  41         const_cast<char *>("execv_test_normal_exit"),
  42         nullptr,
  43     };
  44     LIBC_NAMESPACE::execv(path, argv);
  45   }
  46   ASSERT_TRUE(pid > 0);
  47   int status;
  48   pid_t cpid = LIBC_NAMESPACE::waitpid(pid, &status, 0);
  49   ASSERT_TRUE(cpid > 0);
  50   ASSERT_EQ(cpid, pid);
  51   ASSERT_FALSE(WIFEXITED(status));
  52   ASSERT_TRUE(WTERMSIG(status) == SIGUSR1);
  53 }
  54
  55 TEST_MAIN(int argc, char **argv, char **envp) {
  56   fork_and_execv_normal_exit();
  57   fork_and_execv_signal_exit();
  58   return 0;
  59 }