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diff --git a/bin/cp/tests/cp_test.sh b/bin/cp/tests/cp_test.sh
--- a/bin/cp/tests/cp_test.sh
+++ b/bin/cp/tests/cp_test.sh
@@ -209,6 +209,110 @@
atf_check -o inline:'Symbolic Link\n' stat -f %SHT baz
}
+file_is_sparse()
+{
+ atf_check test "$(stat -f "%b" "$1")" != "$(stat -f "%z" "$1")"
+}
+
+files_are_equal()
+{
+ atf_check test "$(stat -f "%d %i" "$1")" != "$(stat -f "%d %i" "$2")"
+ atf_check cmp "$1" "$2"
+}
+
+atf_test_case sparse_empty
+sparse_empty_body()
+{
+ # Empty file
+ touch foo
+ atf_check cp foo bar
+
+ files_are_equal foo bar
+}
+
+atf_test_case sparse_no_holes
+sparse_no_holes_body()
+{
+ # One megabyte of data
+ seq -f%015g 65536 >foo
+
+ atf_check cp foo bar
+ files_are_equal foo bar
+}
+
+atf_test_case sparse_only_hole
+sparse_only_hole_body()
+{
+ # A one-megabyte hole
+ truncate -s 1M foo
+
+ atf_check cp foo bar
+ files_are_equal foo bar
+ file_is_sparse bar
+}
+
+atf_test_case sparse_leading_hole
+sparse_leading_hole_body()
+{
+ # A one-megabyte hole followed by one megabyte of data
+ truncate -s 1M foo
+ seq -f%015g 65536 >>foo
+ file_is_sparse foo
+
+ atf_check cp foo bar
+ files_are_equal foo bar
+ file_is_sparse bar
+}
+
+atf_test_case sparse_trailing_hole
+sparse_trailing_hole_body()
+{
+ # One megabyte of data followed by a one-megabyte hole
+ seq -f%015g 65536 >foo
+ truncate -s 2M foo
+ file_is_sparse foo
+
+ atf_check cp foo bar
+ files_are_equal foo bar
+ file_is_sparse bar
+}
+
+atf_test_case sparse_multiple_holes
+sparse_multiple_holes_body()
+{
+ # Three one-megabyte blocks of data preceded, separated, and
+ # followed by one-megabyte holes
+ truncate -s 1M foo
+ seq -f%015g >>foo
+ truncate -s 3M foo
+ seq -f%015g >>foo
+ truncate -s 5M foo
+ seq -f%015g >>foo
+ truncate -s 7M foo
+ file_is_sparse foo
+
+ atf_check cp foo bar
+ files_are_equal foo bar
+ file_is_sparse bar
+}
+
+atf_test_case sparse_to_dev
+sparse_to_dev_body()
+{
+ # Three one-megabyte blocks of data preceded, separated, and
+ # followed by one-megabyte holes
+ truncate -s 1M foo
+ seq -f%015g >>foo
+ truncate -s 3M foo
+ seq -f%015g >>foo
+ truncate -s 5M foo
+ seq -f%015g >>foo
+ truncate -s 7M foo
+ file_is_sparse foo
+
+ atf_check -o file:foo cp foo /dev/stdout
+}
+
atf_init_test_cases()
{
atf_add_test_case basic
@@ -222,4 +326,11 @@
atf_add_test_case recursive_link_Hflag
atf_add_test_case recursive_link_Lflag
atf_add_test_case standalone_Pflag
+ atf_add_test_case sparse_empty
+ atf_add_test_case sparse_no_holes
+ atf_add_test_case sparse_only_hole
+ atf_add_test_case sparse_leading_hole
+ atf_add_test_case sparse_trailing_hole
+ atf_add_test_case sparse_multiple_holes
+ atf_add_test_case sparse_to_dev
}

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