rlib/test/test_rfile.py::TestFile::()::test_read_sequentially

self = <rpython.rlib.test.test_rfile.TestFile object at 0x0000000025bca288>

    def test_read_sequentially(self):
        fname = self.tmpdir.join('file_3')
        fname.write("dupa")
        fname = str(fname)
    
        def f():
            f = open(fname)
            a = f.read(1)
            b = f.read(1)
            c = f.read(1)
            d = f.read(1)
            e = f.read()
            f.close()
            assert a == "d"
            assert b == "u"
            assert c == "p"
            assert d == "a"
            assert e == ""
    
        f()
>       self.interpret(f, [])

rlib/test/test_rfile.py:255: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
rtyper/test/tool.py:16: in interpret
    return interpret(fn, args, **kwds)
rtyper/test/test_llinterp.py:102: in interpret
    result = interp.eval_graph(graph, values)
rtyper/llinterp.py:102: in eval_graph
    retval = llframe.eval()
rtyper/llinterp.py:300: in eval
    nextblock, args = self.eval_block(nextblock)
rtyper/llinterp.py:329: in eval_block
    rstackovf.check_stack_overflow()
rtyper/llinterp.py:324: in eval_block
    self.eval_operation(op)
rtyper/llinterp.py:427: in eval_operation
    retval = ophandler(*vals)
rtyper/llinterp.py:702: in op_direct_call
    return self.perform_call(f, FTYPE.ARGS, args)
rtyper/llinterp.py:698: in perform_call
    return frame.eval()
rtyper/llinterp.py:300: in eval
    nextblock, args = self.eval_block(nextblock)
rtyper/llinterp.py:329: in eval_block
    rstackovf.check_stack_overflow()
rtyper/llinterp.py:324: in eval_block
    self.eval_operation(op)
rtyper/llinterp.py:427: in eval_operation
    retval = ophandler(*vals)
rtyper/llinterp.py:702: in op_direct_call
    return self.perform_call(f, FTYPE.ARGS, args)
rtyper/llinterp.py:698: in perform_call
    return frame.eval()
rtyper/llinterp.py:300: in eval
    nextblock, args = self.eval_block(nextblock)
rtyper/llinterp.py:329: in eval_block
    rstackovf.check_stack_overflow()
rtyper/llinterp.py:324: in eval_block
    self.eval_operation(op)
rtyper/llinterp.py:427: in eval_operation
    retval = ophandler(*vals)
rtyper/llinterp.py:702: in op_direct_call
    return self.perform_call(f, FTYPE.ARGS, args)
rtyper/llinterp.py:698: in perform_call
    return frame.eval()
rtyper/llinterp.py:300: in eval
    nextblock, args = self.eval_block(nextblock)
rtyper/llinterp.py:329: in eval_block
    rstackovf.check_stack_overflow()
rtyper/llinterp.py:324: in eval_block
    self.eval_operation(op)
rtyper/llinterp.py:427: in eval_operation
    retval = ophandler(*vals)
rtyper/llinterp.py:702: in op_direct_call
    return self.perform_call(f, FTYPE.ARGS, args)
rtyper/llinterp.py:698: in perform_call
    return frame.eval()
rtyper/llinterp.py:300: in eval
    nextblock, args = self.eval_block(nextblock)
rtyper/llinterp.py:329: in eval_block
    rstackovf.check_stack_overflow()
rtyper/llinterp.py:324: in eval_block
    self.eval_operation(op)
rtyper/llinterp.py:427: in eval_operation
    retval = ophandler(*vals)
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <rpython.rtyper.llinterp.LLFrame object at 0x0000000025d314b0>, obj = 11

    def op_gc_get_stats(self, obj):
>       raise NotImplementedError("gc_get_stats")
E       NotImplementedError: gc_get_stats

rtyper/llinterp.py:764: NotImplementedError
---------- Captured stderr call ----------
[rtyper] specializing: 100 / 575 blocks   (17%)
[rtyper] specializing: 200 / 575 blocks   (34%)
[rtyper] specializing: 300 / 575 blocks   (52%)
[rtyper] specializing: 400 / 637 blocks   (62%)
[rtyper] specializing: 500 / 637 blocks   (78%)
[rtyper] specializing: 600 / 639 blocks   (93%)
[rtyper] -=- specialized 639 blocks -=-
[rtyper] -=- specialized 4 more blocks -=-

builder: rpython-linux-x86-64 build #772*

test: rlib/test/test_rfile.py::TestFile::()::test_read_sequentially