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pypy / pypy / jit / backend / arm / test / test_basic.py

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import py
from pypy.jit.metainterp.test import test_ajit
from pypy.rlib.jit import JitDriver
from pypy.jit.backend.arm.test.support import JitARMMixin
from pypy.jit.backend.detect_cpu import getcpuclass

CPU = getcpuclass()

class TestBasic(JitARMMixin, test_ajit.BaseLLtypeTests):
    # for the individual tests see
    # ====> ../../../metainterp/test/test_ajit.py
    def test_bug(self):
        jitdriver = JitDriver(greens = [], reds = ['n'])
        class X(object):
            pass
        def f(n):
            while n > -100:
                jitdriver.can_enter_jit(n=n)
                jitdriver.jit_merge_point(n=n)
                x = X()
                x.arg = 5
                if n <= 0: break
                n -= x.arg
                x.arg = 6   # prevents 'x.arg' from being annotated as constant
            return n
        res = self.meta_interp(f, [31], enable_opts='')
        assert res == -4

    def test_r_dict(self):
        # a Struct that belongs to the hash table is not seen as being
        # included in the larger Array
        py.test.skip("issue with ll2ctypes")

    def test_free_object(self):
        py.test.skip("issue of freeing, probably with ll2ctypes")


    if not CPU.supports_longlong:
        for k in dir(test_ajit.BaseLLtypeTests):
            if k.find('longlong') < 0:
                continue
            locals()[k] = lambda self: py.test.skip('requires longlong support')

    def test_read_timestamp(self):
        py.test.skip("The JIT on ARM does not support read_timestamp")

  
    if not CPU.supports_floats:
        for k in ('test_float', 'test_residual_external_call'):
            locals()[k] = lambda self: py.test.skip('requires float support')