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test-copy: fix operation when test-copy is too small 

Fixes #6981.
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2017-10-04 15:17:09 +02:00
parent 07883f198d
commit 6fbdf424b4
1 changed files with 12 additions and 4 deletions
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16
src/test/test-copy.c
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@ -220,6 +220,14 @@ static void test_copy_bytes_regular_file(const char *src, bool try_reflink, uint
else
assert_se(IN_SET(r, 0, 1));
assert_se(fstat(fd, &buf) == 0);
assert_se(fstat(fd2, &buf2) == 0);
assert_se((uint64_t) buf2.st_size == MIN((uint64_t) buf.st_size, max_bytes));
if (max_bytes < (uint64_t) -1)
/* Make sure the file is now higher than max_bytes */
assert_se(ftruncate(fd2, max_bytes + 1) == 0);
assert_se(lseek(fd2, 0, SEEK_SET) == 0);
r = copy_bytes(fd2, fd3, max_bytes, try_reflink ? COPY_REFLINK : 0);
@ -233,12 +241,12 @@ static void test_copy_bytes_regular_file(const char *src, bool try_reflink, uint
* are copying is exactly max_bytes bytes. */
assert_se(r == 1);
assert_se(fstat(fd, &buf) == 0);
assert_se(fstat(fd2, &buf2) == 0);
assert_se(fstat(fd3, &buf3) == 0);
assert_se((uint64_t) buf2.st_size == MIN((uint64_t) buf.st_size, max_bytes));
assert_se(buf3.st_size == buf2.st_size);
if (max_bytes == (uint64_t) -1)
assert_se(buf3.st_size == buf2.st_size);
else
assert_se((uint64_t) buf3.st_size == max_bytes);
unlink(fn2);
unlink(fn3);