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-rw-r--r--src/testdir/test_file_size.vim61
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+" Inserts 2 million lines with consecutive integers starting from 1
+" (essentially, the output of GNU's seq 1 2000000), writes them to Xtest
+" and writes its cksum to test.out.
+"
+" We need 2 million lines to trigger a call to mf_hash_grow(). If it would mess
+" up the lines the checksum would differ.
+"
+" cksum is part of POSIX and so should be available on most Unixes.
+" If it isn't available then the test will be skipped.
+
+source check.vim
+
+func Test_File_Size()
+ CheckExecutable cksum
+
+ new
+ set fileformat=unix undolevels=-1
+ for i in range(1, 2000000, 100)
+ call append(i, range(i, i + 99))
+ endfor
+
+ 1delete
+ w! Xtest
+ let res = systemlist('cksum Xtest')[0]
+ let res = substitute(res, "\r", "", "")
+ call assert_equal('3678979763 14888896 Xtest', res)
+
+ enew!
+ call delete('Xtest')
+ set fileformat& undolevels&
+endfunc
+
+" Test for writing and reading a file of over 100 Kbyte
+func Test_File_Read_Write()
+ enew!
+
+ " Create a file with the following contents
+ " 1 line: "This is the start"
+ " 3001 lines: "This is the leader"
+ " 1 line: "This is the middle"
+ " 3001 lines: "This is the trailer"
+ " 1 line: "This is the end"
+ call append(0, "This is the start")
+ call append(1, repeat(["This is the leader"], 3001))
+ call append(3002, "This is the middle")
+ call append(3003, repeat(["This is the trailer"], 3001))
+ call append(6004, "This is the end")
+
+ write! Xtest
+ enew!
+ edit! Xtest
+
+ call assert_equal("This is the start", getline(1))
+ call assert_equal("This is the middle", getline(3003))
+ call assert_equal("This is the end", getline(6005))
+
+ enew!
+ call delete("Xtest")
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab