cosmopolitan/test/libc/proc/system_test.c
Justine Tunney a6baba1b07
Stop using .com extension in monorepo
The WIN32 CreateProcess() function does not require an .exe or .com
suffix in order to spawn an executable. Now that we have Cosmo bash
we're no longer so dependent on the cmd.exe prompt.
2024-03-03 03:12:19 -08:00

291 lines
10 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2022 Justine Alexandra Roberts Tunney │
│ │
│ Permission to use, copy, modify, and/or distribute this software for │
│ any purpose with or without fee is hereby granted, provided that the │
│ above copyright notice and this permission notice appear in all copies. │
│ │
│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/calls/calls.h"
#include "libc/cosmo.h"
#include "libc/dce.h"
#include "libc/intrin/kprintf.h"
#include "libc/mem/gc.h"
#include "libc/paths.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/sig.h"
#include "libc/testlib/ezbench.h"
#include "libc/testlib/testlib.h"
#include "libc/x/x.h"
#ifdef __x86_64__
#define GETEXITSTATUS(x) \
({ \
int status_ = (x); \
if (WIFSIGNALED(status_)) { \
kprintf("%s:%d: %s terminated with %G\n", __FILE__, __LINE__, #x, \
WTERMSIG(status_)); \
exit(1); \
} \
WEXITSTATUS(status_); \
})
__static_yoink("_tr");
__static_yoink("glob");
int pipefd[2];
int stdoutBack;
void SetUpOnce(void) {
testlib_enable_tmp_setup_teardown();
}
void CaptureStdout(void) {
ASSERT_NE(-1, (stdoutBack = dup(1)));
ASSERT_SYS(0, 0, pipe(pipefd));
ASSERT_NE(-1, dup2(pipefd[1], 1));
}
void RestoreStdout(void) {
ASSERT_SYS(0, 1, dup2(stdoutBack, 1));
ASSERT_SYS(0, 0, close(stdoutBack));
ASSERT_SYS(0, 0, close(pipefd[1]));
ASSERT_SYS(0, 0, close(pipefd[0]));
}
TEST(system, haveShell) {
ASSERT_TRUE(system(0));
}
TEST(system, echo) {
ASSERT_EQ(0, system("echo hello >\"hello there.txt\""));
EXPECT_STREQ("hello\n", gc(xslurp("hello there.txt", 0)));
}
TEST(system, exit) {
ASSERT_EQ(123, GETEXITSTATUS(system("exit 123")));
}
TEST(system, testStdoutRedirect) {
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, system("./echo hello >hello.txt"));
EXPECT_STREQ("hello\n", gc(xslurp("hello.txt", 0)));
}
TEST(system, testStdoutRedirect_withSpacesInFilename) {
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, system("./echo hello >\"hello there.txt\""));
EXPECT_STREQ("hello\n", gc(xslurp("hello there.txt", 0)));
}
TEST(system, testStderrRedirect_toStdout) {
CaptureStdout();
int stderrBack = dup(2);
ASSERT_NE(-1, stderrBack);
char buf[5] = {0};
ASSERT_NE(-1, dup2(1, 2));
bool success = false;
if (GETEXITSTATUS(system("echo aaa 2>&1")) == 0) {
success = read(pipefd[0], buf, 4) == (4);
}
ASSERT_NE(-1, dup2(stderrBack, 2));
ASSERT_EQ(true, success);
ASSERT_STREQ("aaa\n", buf);
buf[0] = 0;
buf[1] = 0;
buf[2] = 0;
buf[3] = 0;
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_NE(-1, dup2(1, 2));
success = false;
if (GETEXITSTATUS(system("./echo aaa 2>&1")) == 0) {
success = read(pipefd[0], buf, 4) == (4);
}
ASSERT_NE(-1, dup2(stderrBack, 2));
ASSERT_EQ(true, success);
ASSERT_STREQ("aaa\n", buf);
RestoreStdout();
}
TEST(system, and) {
ASSERT_EQ(1, GETEXITSTATUS(system("false && false")));
ASSERT_EQ(1, GETEXITSTATUS(system("true&& false")));
ASSERT_EQ(1, GETEXITSTATUS(system("false &&true")));
ASSERT_EQ(0, GETEXITSTATUS(system("true&&true")));
}
TEST(system, or) {
ASSERT_EQ(1, GETEXITSTATUS(system("false || false")));
ASSERT_EQ(0, GETEXITSTATUS(system("true|| false")));
ASSERT_EQ(0, GETEXITSTATUS(system("false ||true")));
ASSERT_EQ(0, GETEXITSTATUS(system("true||true")));
}
TEST(system, async1) {
ASSERT_EQ(123, GETEXITSTATUS(system("exit 123 & "
"wait $!")));
}
TEST(system, async4) {
ASSERT_EQ(0, GETEXITSTATUS(system("echo a >a & "
"echo b >b & "
"echo c >c & "
"echo d >d & "
"wait")));
ASSERT_TRUE(fileexists("a"));
ASSERT_TRUE(fileexists("b"));
ASSERT_TRUE(fileexists("c"));
ASSERT_TRUE(fileexists("d"));
}
TEST(system, equals) {
setenv("var", "wand", true);
ASSERT_EQ(0, GETEXITSTATUS(system("test a = a")));
ASSERT_EQ(1, GETEXITSTATUS(system("test a = b")));
ASSERT_EQ(0, GETEXITSTATUS(system("test x$var = xwand")));
ASSERT_EQ(0, GETEXITSTATUS(system("[ a = a ]")));
ASSERT_EQ(1, GETEXITSTATUS(system("[ a = b ]")));
}
TEST(system, notequals) {
ASSERT_EQ(1, GETEXITSTATUS(system("test a != a")));
ASSERT_EQ(0, GETEXITSTATUS(system("test a != b")));
}
TEST(system, usleep) {
ASSERT_EQ(0, GETEXITSTATUS(system("usleep & kill $!")));
}
TEST(system, kill) {
int ws = system("kill -TERM $$; usleep");
if (!IsWindows()) ASSERT_EQ(SIGTERM, WTERMSIG(ws));
}
TEST(system, exitStatusPreservedAfterSemiColon) {
testlib_extract("/zip/false", "false", 0755);
ASSERT_EQ(1, GETEXITSTATUS(system("false;")));
ASSERT_EQ(1, GETEXITSTATUS(system("false; ")));
ASSERT_EQ(1, GETEXITSTATUS(system("./false;")));
ASSERT_EQ(1, GETEXITSTATUS(system("./false;")));
CaptureStdout();
ASSERT_EQ(0, GETEXITSTATUS(system("false; echo $?")));
char buf[9] = {0};
ASSERT_EQ(2, read(pipefd[0], buf, 8));
ASSERT_STREQ("1\n", buf);
ASSERT_EQ(0, GETEXITSTATUS(system("./false; echo $?")));
ASSERT_EQ(2, read(pipefd[0], buf, 8));
ASSERT_STREQ("1\n", buf);
ASSERT_EQ(0, GETEXITSTATUS(system("echo -n hi")));
EXPECT_EQ(2, read(pipefd[0], buf, 8));
ASSERT_STREQ("hi", buf);
RestoreStdout();
}
TEST(system, devStdout) {
CaptureStdout();
ASSERT_EQ(0, GETEXITSTATUS(system("echo sup >/dev/stdout")));
char buf[16] = {0};
ASSERT_EQ(4, read(pipefd[0], buf, 16));
ASSERT_STREQ("sup\n", buf);
RestoreStdout();
}
TEST(system, globio) {
char buf[9] = {0};
CaptureStdout();
ASSERT_SYS(0, 0, touch("a", 0644));
ASSERT_SYS(0, 0, touch("b", 0644));
ASSERT_EQ(0, GETEXITSTATUS(system("echo *")));
EXPECT_EQ(4, read(pipefd[0], buf, 8));
ASSERT_STREQ("a b\n", buf);
RestoreStdout();
}
TEST(system, allowsLoneCloseCurlyBrace) {
CaptureStdout();
char buf[6] = {0};
ASSERT_EQ(0, GETEXITSTATUS(system("echo \"aaa\"}")));
ASSERT_EQ(5, read(pipefd[0], buf, 5));
ASSERT_STREQ("aaa}\n", buf);
bzero(buf, 6);
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, GETEXITSTATUS(system("./echo \"aaa\"}")));
ASSERT_EQ(5, read(pipefd[0], buf, 5));
ASSERT_STREQ("aaa}\n", buf);
RestoreStdout();
}
TEST(system, glob) {
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, system("./ec* aaa"));
ASSERT_EQ(0, system("./ec?o aaa"));
}
TEST(system, env) {
ASSERT_EQ(0, GETEXITSTATUS(system("env - a=b c=d >res")));
ASSERT_STREQ("a=b\nc=d\n", gc(xslurp("res", 0)));
ASSERT_EQ(0, GETEXITSTATUS(system("env -i -0 a=b c=d >res")));
ASSERT_STREQN("a=b\0c=d\0", gc(xslurp("res", 0)), 8);
ASSERT_EQ(0, GETEXITSTATUS(system("env -i0 a=b c=d >res")));
ASSERT_STREQN("a=b\0c=d\0", gc(xslurp("res", 0)), 8);
ASSERT_EQ(0, GETEXITSTATUS(system("env - a=b c=d -u a z=g >res")));
ASSERT_STREQ("c=d\nz=g\n", gc(xslurp("res", 0)));
ASSERT_EQ(0, GETEXITSTATUS(system("env - a=b c=d -ua z=g >res")));
ASSERT_STREQ("c=d\nz=g\n", gc(xslurp("res", 0)));
ASSERT_EQ(0, GETEXITSTATUS(system("env - dope='show' >res")));
ASSERT_STREQ("dope=show\n", gc(xslurp("res", 0)));
}
TEST(system, pipelineCanOutputToFile) {
ASSERT_EQ(0, GETEXITSTATUS(system("echo hello | tr a-z A-Z >res")));
ASSERT_STREQ("HELLO\n", gc(xslurp("res", 0)));
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, GETEXITSTATUS(system("./echo hello | tr a-z A-Z >res")));
ASSERT_STREQ("HELLO\n", gc(xslurp("res", 0)));
}
TEST(system, pipelineCanOutputBackToSelf) {
char buf[16] = {0};
CaptureStdout();
ASSERT_EQ(0, GETEXITSTATUS(system("echo hello | tr a-z A-Z")));
ASSERT_SYS(0, 6, read(pipefd[0], buf, 16));
ASSERT_STREQ("HELLO\n", buf);
ASSERT_EQ(0, GETEXITSTATUS(system("echo hello | exec tr a-z A-Z")));
ASSERT_SYS(0, 6, read(pipefd[0], buf, 16));
ASSERT_STREQ("HELLO\n", buf);
testlib_extract("/zip/echo", "echo", 0755);
ASSERT_EQ(0, GETEXITSTATUS(system("./echo hello | tr a-z A-Z")));
ASSERT_SYS(0, 6, read(pipefd[0], buf, 16));
ASSERT_STREQ("HELLO\n", buf);
ASSERT_EQ(0, GETEXITSTATUS(system("./echo hello | exec tr a-z A-Z")));
ASSERT_SYS(0, 6, read(pipefd[0], buf, 16));
ASSERT_STREQ("HELLO\n", buf);
RestoreStdout();
}
int system2(const char *);
BENCH(system, bench) {
testlib_extract("/zip/echo", "echo", 0755);
EZBENCH2("system cmd", donothing, system("./echo hi >/dev/null"));
EZBENCH2("systemvpe cmd", donothing,
systemvpe("./echo", (char *[]){"./echo", "hi", 0}, 0));
EZBENCH2("cocmd echo", donothing, system("echo hi >/dev/null"));
EZBENCH2("cocmd exit", donothing, system("exit"));
}
#endif /* __x86_64__ */