def test_1():
t1 = KeywordToken('__attribute__', 1)
t2 = SymbolToken('(', 1)
t3 = SymbolToken('(', 1)
t4 = IdentifierToken('device', 1)
t5 = SymbolToken(')', 1)
t6 = SymbolToken(')', 1)
t7 = WhiteSpaceToken(' ', 1)
buff = []
buff.append(t1)
buff.append(t2)
buff.append(t3)
buff.append(t4)
buff.append(t5)
buff.append(t6)
buff.append(t7)
m = Match()
d = m._match_device_decl(buff)
print(d)
assert d == 6
# device host
buff.append(WhiteSpaceToken(' ', 1))
buff.append(WhiteSpaceToken(' ', 1))
buff.append(KeywordToken('__attribute__', 1))
buff.append(SymbolToken('(', 1))
buff.append(SymbolToken('(', 1))
buff.append(IdentifierToken('host', 1))
buff.append(SymbolToken(')', 1))
buff.append(SymbolToken(')', 1))
d_h = m._match_device_host_decl(buff)
print(d_h)
assert d_h == 15
# host device
buff[3] = IdentifierToken('host', 1)
buff[12] = IdentifierToken('device', 1)
h_d = m._match_host_device_decl(buff)
print(h_d)
assert d_h == 15
