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Diffstat (limited to 'tests/basics/int-small.py')
| -rw-r--r-- | tests/basics/int-small.py | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/tests/basics/int-small.py b/tests/basics/int-small.py deleted file mode 100644 index 102dac8ae..000000000 --- a/tests/basics/int-small.py +++ /dev/null @@ -1,50 +0,0 @@ -# This tests small int range for 32-bit machine - -# Small ints are variable-length encoded in MicroPython, so first -# test that encoding works as expected. - -print(0) -print(1) -print(-1) -# Value is split in 7-bit "subwords", and taking into account that all -# ints in Python are signed, there're 6 bits of magnitude. So, around 2^6 -# there's "turning point" -print(63) -print(64) -print(65) -print(-63) -print(-64) -print(-65) -# Maximum values of small ints on 32-bit platform -print(1073741823) -# Per python semantics, lexical integer is without a sign (i.e. positive) -# and '-' is unary minus operation applied to it. That's why -1073741824 -# (min two-complement's negative value) is not allowed. -print(-1073741823) - -# Operations tests - -a = 0x3fffff -print(a) -a *= 0x10 -print(a) -a *= 0x10 -print(a) -a += 0xff -print(a) -# This would overflow -#a += 1 - -a = -0x3fffff -print(a) -a *= 0x10 -print(a) -a *= 0x10 -print(a) -a -= 0xff -print(a) -# This still doesn't overflow -a -= 1 -print(a) -# This would overflow -#a -= 1 |