Author: Ned Batchelder <[email protected]>
Branch: nedbat-sandbox
Changeset: r50161:ba523ca5ff05
Date: 2011-12-04 23:08 -0500
http://bitbucket.org/pypy/pypy/changeset/ba523ca5ff05/
Log: Add a sandlib test for lseek
diff --git a/pypy/translator/sandbox/test/test_sandlib.py
b/pypy/translator/sandbox/test/test_sandlib.py
--- a/pypy/translator/sandbox/test/test_sandlib.py
+++ b/pypy/translator/sandbox/test/test_sandlib.py
@@ -218,3 +218,32 @@
output, error = proc.communicate("")
assert output == "All ok!\n"
assert error == ""
+
+def test_lseek():
+ def char_should_be(c, should):
+ if c != should:
+ print "Wrong char: '%s' should be '%s'" % (c, should)
+
+ def entry_point(argv):
+ fd = os.open('/hi.txt', os.O_RDONLY, 0777)
+ char_should_be(os.read(fd, 1), "H")
+ new = os.lseek(fd, 3, os.SEEK_CUR)
+ if new != 4:
+ print "Wrong offset, %d should be 4" % new
+ char_should_be(os.read(fd, 1), "o")
+ new = os.lseek(fd, -3, os.SEEK_END)
+ if new != 11:
+ print "Wrong offset, %d should be 11" % new
+ char_should_be(os.read(fd, 1), "d")
+ new = os.lseek(fd, 7, os.SEEK_SET)
+ if new != 7:
+ print "Wrong offset, %d should be 7" % new
+ char_should_be(os.read(fd, 1), "w")
+ print "All ok!"
+ return 0
+ exe = compile(entry_point)
+
+ proc = SandboxedProcWithFiles([exe])
+ output, error = proc.communicate("")
+ assert output == "All ok!\n"
+ assert error == ""
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