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|
from .support import HPyTest, DefaultExtensionTemplate
class HPyLongTemplate(DefaultExtensionTemplate):
def DEFINE_Long_From(self, type, api_suffix, val):
self.EXPORT("from_{type}_{val}".format(type=type, val=val))
return """
HPyDef_METH(from_{type}_{val}, "from_{type}_{val}", HPyFunc_NOARGS)
static HPy from_{type}_{val}_impl(HPyContext *ctx, HPy self)
{{
{type} a = {val};
return HPyLong_From{api_suffix}(ctx, a);
}}
""".format(type=type, val=val, api_suffix=api_suffix)
def DEFINE_Long_As(self, type, api_suffix, from_suffix=None):
self.EXPORT("as_{api_suffix}".format(api_suffix=api_suffix))
if not from_suffix:
from_suffix = api_suffix
return """
HPyDef_METH(as_{api_suffix}, "as_{api_suffix}", HPyFunc_O)
static HPy as_{api_suffix}_impl(HPyContext *ctx, HPy self, HPy arg)
{{
{type} a = HPyLong_As{api_suffix}(ctx, arg);
if (a == (({type})-1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_From{from_suffix}(ctx, a * 2);
}}
""".format(type=type, api_suffix=api_suffix, from_suffix=from_suffix)
class TestLong(HPyTest):
ExtensionTemplate = HPyLongTemplate
def unsigned_long_bits(self):
""" Return the number of bits in an unsigned long. """
import struct
unsigned_long_bytes = len(struct.pack('l', 0))
return 8 * unsigned_long_bytes
def magic_int(self, v):
""" Return an instance of a class that implements __int__
and returns value v.
"""
class MagicInt(object):
def __int__(self):
return v
return MagicInt()
def magic_index(self, v):
""" Return an instance of a class that implements __index__
and returns value v.
"""
class MagicIndex(object):
def __index__(self):
return v
return MagicIndex()
def python_supports_magic_index(self):
""" Return True if the Python version is 3.8 or later and thus
should support calling __index__ in the various HPyLong_As...
methods.
"""
import sys
vi = sys.version_info
return (vi.major > 3 or (vi.major == 3 and vi.minor >= 8))
def python_supports_magic_int(self):
""" Return True if the Python version is 3.9 or earlier and thus
should support calling __int__ on non-int based types in some
HPyLong_As... methods.
"""
import sys
vi = sys.version_info
assert vi.major >= 3
return (vi.major == 3 and vi.minor <= 9)
def test_Long_FromFixedWidth(self):
mod = self.make_module("""
@DEFINE_Long_From(int32_t, Int32_t, INT32_MAX)
@DEFINE_Long_From(int32_t, Int32_t, INT32_MIN)
@DEFINE_Long_From(uint32_t, UInt32_t, UINT32_MAX)
@DEFINE_Long_From(int64_t, Int64_t, INT64_MAX)
@DEFINE_Long_From(int64_t, Int64_t, INT64_MIN)
@DEFINE_Long_From(uint64_t, UInt64_t, UINT64_MAX)
@INIT
""")
assert mod.from_int32_t_INT32_MAX() == 2147483647
assert mod.from_int32_t_INT32_MIN() == -2147483648
assert mod.from_uint32_t_UINT32_MAX() == 4294967295
assert mod.from_int64_t_INT64_MAX() == 9223372036854775807
assert mod.from_int64_t_INT64_MIN() == -9223372036854775808
assert mod.from_uint64_t_UINT64_MAX() == 18446744073709551615
def test_Long_FromLong(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
long a = 500;
return HPyLong_FromLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == 500
def test_Long_AsFixedWidth(self):
import pytest
mod = self.make_module("""
@DEFINE_Long_As(int32_t, Int32_t)
@DEFINE_Long_As(uint32_t, UInt32_t)
@DEFINE_Long_As(uint32_t, UInt32_tMask, UInt32_t)
@DEFINE_Long_As(int64_t, Int64_t)
@DEFINE_Long_As(uint64_t, UInt64_t)
@DEFINE_Long_As(uint64_t, UInt64_tMask, UInt64_t)
@INIT
""")
assert mod.as_Int32_t(45) == 90
assert mod.as_Int32_t(-45) == -90
# doubling INT32_MAX is like a left-shift and will result in a negative value
assert mod.as_Int32_t(2147483647) < 0
with pytest.raises(TypeError):
mod.as_Int32_t("this is not a number")
if self.python_supports_magic_int():
assert mod.as_Int32_t(self.magic_int(2)) == 4
if self.python_supports_magic_index():
assert mod.as_Int32_t(self.magic_index(2)) == 4
assert mod.as_UInt32_t(45) == 90
with pytest.raises(OverflowError):
mod.as_UInt32_t(-45)
assert mod.as_UInt32_t(2147483647) == 4294967294
assert mod.as_UInt32_tMask(0xffffffffffffffff) == 0xfffffffe
assert mod.as_Int64_t(45) == 90
assert mod.as_Int64_t(-45) == -90
# doubling INT32_MAX is like a left-shift and will result in a negative value
assert mod.as_Int64_t(2147483647) == 4294967294
assert mod.as_Int64_t(9223372036854775807) < 0
with pytest.raises(TypeError):
mod.as_Int64_t("this is not a number")
assert mod.as_UInt64_t(45) == 90
with pytest.raises(OverflowError):
mod.as_UInt64_t(-45)
assert mod.as_UInt64_t(9223372036854775807) == 18446744073709551614
assert mod.as_UInt64_tMask(0xffffffffffffffffff) == 0xfffffffffffffffe
def test_Long_AsLong(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
long a = HPyLong_AsLong(ctx, arg);
if (a == -1 && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromLong(ctx, a * 2);
}
@EXPORT(f)
@INIT
""")
assert mod.f(45) == 90
with pytest.raises(TypeError):
mod.f("this is not a number")
if self.python_supports_magic_int():
assert mod.f(self.magic_int(2)) == 4
if self.python_supports_magic_index():
assert mod.f(self.magic_index(2)) == 4
def test_Long_FromUnsignedLong(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
unsigned long a = 500;
return HPyLong_FromUnsignedLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == 500
def test_Long_AsUnsignedLong(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
unsigned long a = HPyLong_AsUnsignedLong(ctx, arg);
if ((a == (unsigned long) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromUnsignedLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(45) == 45
with pytest.raises(OverflowError):
mod.f(-91)
with pytest.raises(TypeError):
mod.f("this is not a number")
with pytest.raises(TypeError):
mod.f(self.magic_int(2))
with pytest.raises(TypeError):
mod.f(self.magic_index(2))
def test_Long_AsUnsignedLongMask(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
unsigned long a = HPyLong_AsUnsignedLongMask(ctx, arg);
if ((a == (unsigned long) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromUnsignedLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(45) == 45
assert mod.f(-1) == 2**self.unsigned_long_bits() - 1
with pytest.raises(TypeError):
mod.f("this is not a number")
if self.python_supports_magic_int():
assert mod.f(self.magic_int(2)) == 2
if self.python_supports_magic_index():
assert mod.f(self.magic_index(2)) == 2
def test_Long_FromLongLong(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
// take a value which doesn't fit in 32 bit
long long val = 2147483648;
return HPyLong_FromLongLong(ctx, val);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == 2147483648
def test_Long_AsLongLong(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
long long a = HPyLong_AsLongLong(ctx, arg);
if ((a == (long long) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromLongLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(2147483648) == 2147483648
assert mod.f(-2147483648) == -2147483648
with pytest.raises(TypeError):
mod.f("this is not a number")
if self.python_supports_magic_int():
assert mod.f(self.magic_int(2)) == 2
if self.python_supports_magic_index():
assert mod.f(self.magic_index(2)) == 2
def test_Long_FromUnsignedLongLong(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
// take a value which doesn't fit in unsigned 32 bit
unsigned long long val = 4294967296;
return HPyLong_FromUnsignedLongLong(ctx, val);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == 4294967296
def test_Long_AsUnsignedLongLong(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
unsigned long long a = HPyLong_AsUnsignedLongLong(ctx, arg);
if ((a == (unsigned long long) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromUnsignedLongLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(4294967296) == 4294967296
with pytest.raises(OverflowError):
mod.f(-4294967296)
with pytest.raises(TypeError):
mod.f("this is not a number")
with pytest.raises(TypeError):
mod.f(self.magic_int(2))
with pytest.raises(TypeError):
mod.f(self.magic_index(2))
def test_Long_AsUnsignedLongLongMask(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
unsigned long long a = HPyLong_AsUnsignedLongLongMask(ctx, arg);
if ((a == (unsigned long long) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromUnsignedLongLong(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(45) == 45
assert mod.f(-1) == 2**64 - 1
with pytest.raises(TypeError):
mod.f("this is not a number")
if self.python_supports_magic_int():
assert mod.f(self.magic_int(2)) == 2
if self.python_supports_magic_index():
assert mod.f(self.magic_index(2)) == 2
def test_Long_FromSize_t(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
// take a value which doesn't fit in 32 bit
size_t a = 2147483648;
return HPyLong_FromSize_t(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == 2147483648
def test_Long_AsSize_t(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
size_t a = HPyLong_AsSize_t(ctx, arg);
if ((a == (size_t) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromSize_t(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(2147483648) == 2147483648
with pytest.raises(OverflowError):
mod.f(-2147483648)
with pytest.raises(TypeError):
mod.f("this is not a number")
with pytest.raises(TypeError):
mod.f(self.magic_int(2))
with pytest.raises(TypeError):
mod.f(self.magic_index(2))
def test_Long_FromSsize_t(self):
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_NOARGS)
static HPy f_impl(HPyContext *ctx, HPy self)
{
HPy_ssize_t a = -42;
return HPyLong_FromSsize_t(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f() == -42
def test_Long_AsSsize_t(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
HPy_ssize_t a = HPyLong_AsSsize_t(ctx, arg);
if ((a == (HPy_ssize_t) -1) && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyLong_FromSsize_t(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(41) == 41
assert mod.f(-41) == -41
with pytest.raises(TypeError):
mod.f("this is not a number")
with pytest.raises(TypeError):
mod.f(self.magic_int(2))
with pytest.raises(TypeError):
mod.f(self.magic_index(2))
def test_Long_AsVoidPtr(self):
mod = self.make_module("""
HPyDef_METH(f, "is_null", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy val)
{
void* ptr = HPyLong_AsVoidPtr(ctx, val);
if (!ptr) {
return HPy_Dup(ctx, ctx->h_True);
} else {
return HPy_Dup(ctx, ctx->h_False);
}
}
@EXPORT(f)
@INIT
""")
assert mod.is_null(0) == True
assert mod.is_null(10) == False
def test_Long_AsDouble(self):
import pytest
mod = self.make_module("""
HPyDef_METH(f, "f", HPyFunc_O)
static HPy f_impl(HPyContext *ctx, HPy self, HPy arg)
{
double a = HPyLong_AsDouble(ctx, arg);
if (a == -1.0 && HPyErr_Occurred(ctx))
return HPy_NULL;
return HPyFloat_FromDouble(ctx, a);
}
@EXPORT(f)
@INIT
""")
assert mod.f(45) == 45.0
with pytest.raises(TypeError):
mod.f("this is not a number")
|
