kaguya
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <assert.h>
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#include <unistd.h>
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#ifdef USE_HOST_LIBC
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#define TEST_FILE "popen-host-libc.tmp"
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#else
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#define TEST_FILE "popen.tmp"
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#endif
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#define TEST_STRING1 "the quick brown fox jumps over the lazy dog"
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#define TEST_STRING1_LEN 43
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#define TEST_STRING2 "Lorem ipsum dolor sit amet, consectetur adipiscing elit"
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#define TEST_STRING2_LEN 55
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int main() {
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// Test reading
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FILE *f1 = popen("echo -n '" TEST_STRING1 "'", "r");
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assert(f1);
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char buf1[TEST_STRING1_LEN];
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assert(fread(buf1, 1, TEST_STRING1_LEN, f1) == TEST_STRING1_LEN);
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assert(memcmp(buf1, TEST_STRING1, TEST_STRING1_LEN) == 0);
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pclose(f1);
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// Test writing
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FILE *f2 = popen("cat - > " TEST_FILE, "w");
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assert(f2);
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assert(fwrite(TEST_STRING2, 1, TEST_STRING2_LEN, f2) == TEST_STRING2_LEN);
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pclose(f2);
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// Read test file back
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FILE *test_file = fopen(TEST_FILE, "r");
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assert(test_file);
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char buf2[TEST_STRING2_LEN];
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assert(fread(buf2, 1, TEST_STRING2_LEN, test_file) == TEST_STRING2_LEN);
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assert(memcmp(buf2, TEST_STRING2, TEST_STRING2_LEN) == 0);
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fclose(test_file);
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assert(unlink(TEST_FILE) == 0);
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return 0;
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}
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