def mem_cache_rwxs_read_test():
mem = MockMemory()
# build main mem contents
mem.w8s(0x100, -42)
assert mem.r8s(0x100) == -42
mem.w16s(0x200, -0x1ead)
assert mem.r16s(0x200) == -0x1ead
mem.w32s(0x300, -0x2afebabe)
assert mem.r32s(0x300) == -0x2afebabe
mem.writes(0, 0x101, -43)
assert mem.reads(0, 0x101) == -43
mem.writes(1, 0x202, -0x1234)
assert mem.reads(1, 0x202) == -0x1234
mem.writes(2, 0x304, -0x11223344)
assert mem.reads(2, 0x304) == -0x11223344
# write to cache
cmem = MemoryCache(0x100, 0x210)
cmem.read_cache(mem)
# check cache mem
assert cmem.r8s(0x100) == -42
assert cmem.r16s(0x200) == -0x1ead
assert cmem.r32s(0x300) == -0x2afebabe
assert cmem.reads(0, 0x101) == -43
assert cmem.reads(1, 0x202) == -0x1234
assert cmem.reads(2, 0x304) == -0x11223344
def mem_cache_rwxs_read_test(): mem = MockMemory() # build main mem contents mem.w8s(0x100, -42) assert mem.r8s(0x100) == -42 mem.w16s(0x200, -0x1ead) assert mem.r16s(0x200) == -0x1ead mem.w32s(0x300, -0x2afebabe) assert mem.r32s(0x300) == -0x2afebabe mem.writes(0, 0x101, -43) assert mem.reads(0, 0x101) == -43 mem.writes(1, 0x202, -0x1234) assert mem.reads(1, 0x202) == -0x1234 mem.writes(2, 0x304, -0x11223344) assert mem.reads(2, 0x304) == -0x11223344 # write to cache cmem = MemoryCache(0x100, 0x210) cmem.read_cache(mem) # check cache mem assert cmem.r8s(0x100) == -42 assert cmem.r16s(0x200) == -0x1ead assert cmem.r32s(0x300) == -0x2afebabe assert cmem.reads(0, 0x101) == -43 assert cmem.reads(1, 0x202) == -0x1234 assert cmem.reads(2, 0x304) == -0x11223344
def machine_mem_rws_test():
mem = MockMemory()
mem.w8s(0x100, 42)
assert mem.r8s(0x100) == 42
mem.w8s(0x100, -23)
assert mem.r8s(0x100) == -23
mem.w16s(0x200, 0x7EAD)
assert mem.r16s(0x200) == 0x7EAD
mem.w16s(0x200, -0x1000)
assert mem.r16s(0x200) == -0x1000
mem.w32s(0x300, 0x1AFEBABE)
assert mem.r32s(0x300) == 0x1AFEBABE
mem.w32s(0x300, -0xAFEBABE)
assert mem.r32s(0x300) == -0xAFEBABE
mem.writes(0, 0x101, -43)
assert mem.reads(0, 0x101) == -43
mem.writes(1, 0x202, -0x1234)
assert mem.reads(1, 0x202) == -0x1234
mem.writes(2, 0x304, -0x11223344)
assert mem.reads(2, 0x304) == -0x11223344
# invalid values
with pytest.raises(struct.error):
mem.w8s(0x100, 0x80)
with pytest.raises(struct.error):
mem.w8s(0x100, -0x81)
# invalid values
with pytest.raises(struct.error):
mem.w16s(0x100, 0x8000)
with pytest.raises(struct.error):
mem.w16s(0x100, -0x8001)
# invalid values
with pytest.raises(struct.error):
mem.w32s(0x100, 0x80000000)
with pytest.raises(struct.error):
mem.w32s(0x100, -0x80000001)
# invalid type
with pytest.raises(struct.error):
mem.w8s(0x100, "hello")
# invalid type
with pytest.raises(struct.error):
mem.w16s(0x100, "hello")
# invalid type
with pytest.raises(struct.error):
mem.w32s(0x100, "hello")
# invalid width
with pytest.raises(ValueError):
mem.writes(7, 0x202, 12)
with pytest.raises(ValueError):
mem.reads(7, 0x202)
def machine_mem_rws_test():
mem = MockMemory()
mem.w8s(0x100, 42)
assert mem.r8s(0x100) == 42
mem.w8s(0x100, -23)
assert mem.r8s(0x100) == -23
mem.w16s(0x200, 0x7ead)
assert mem.r16s(0x200) == 0x7ead
mem.w16s(0x200, -0x1000)
assert mem.r16s(0x200) == -0x1000
mem.w32s(0x300, 0x1afebabe)
assert mem.r32s(0x300) == 0x1afebabe
mem.w32s(0x300, -0xafebabe)
assert mem.r32s(0x300) == -0xafebabe
mem.writes(0, 0x101, -43)
assert mem.reads(0, 0x101) == -43
mem.writes(1, 0x202, -0x1234)
assert mem.reads(1, 0x202) == -0x1234
mem.writes(2, 0x304, -0x11223344)
assert mem.reads(2, 0x304) == -0x11223344
# invalid values
with pytest.raises(struct.error):
mem.w8s(0x100, 0x80)
with pytest.raises(struct.error):
mem.w8s(0x100, -0x81)
# invalid values
with pytest.raises(struct.error):
mem.w16s(0x100, 0x8000)
with pytest.raises(struct.error):
mem.w16s(0x100, -0x8001)
# invalid values
with pytest.raises(struct.error):
mem.w32s(0x100, 0x80000000)
with pytest.raises(struct.error):
mem.w32s(0x100, -0x80000001)
# invalid type
with pytest.raises(struct.error):
mem.w8s(0x100, 'hello')
# invalid type
with pytest.raises(struct.error):
mem.w16s(0x100, 'hello')
# invalid type
with pytest.raises(struct.error):
mem.w32s(0x100, 'hello')
# invalid width
with pytest.raises(ValueError):
mem.writes(7, 0x202, 12)
with pytest.raises(ValueError):
mem.reads(7, 0x202)
