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-rw-r--r--tests/basics/fun_code_full.py47
1 files changed, 47 insertions, 0 deletions
diff --git a/tests/basics/fun_code_full.py b/tests/basics/fun_code_full.py
new file mode 100644
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+++ b/tests/basics/fun_code_full.py
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+# Test function.__code__ attributes not available with MICROPY_PY_BUILTINS_CODE <= MICROPY_PY_BUILTINS_CODE_BASIC
+
+try:
+ (lambda: 0).__code__.co_code
+except AttributeError:
+ print("SKIP")
+ raise SystemExit
+
+try:
+ import warnings
+ warnings.simplefilter("ignore") # ignore deprecation warning about co_lnotab
+except ImportError:
+ pass
+
+def f(x, y):
+ a = x + y
+ b = x - y
+ return a * b
+
+code = f.__code__
+
+print(type(code.co_code)) # both bytes (but mpy and cpy have different instruction sets)
+print(code.co_consts) # (not necessarily the same set, but in this function they are)
+print(code.co_filename.rsplit('/')[-1]) # same terminal filename but might be different paths on other ports
+print(type(code.co_firstlineno)) # both ints (but mpy points to first line inside, cpy points to declaration)
+print(code.co_name)
+print(iter(code.co_names) is not None) # both iterable (but mpy returns dict with names as keys, cpy only the names; and not necessarily the same set)
+print(type(code.co_lnotab)) # both bytes
+
+co_lines = code.co_lines()
+
+l = list(co_lines)
+first_start = l[0][0]
+last_end = l[-1][1]
+print(first_start) # co_lines should start at the start of the bytecode
+print(len(code.co_code) - last_end) # and end at the end of the bytecode
+
+prev_end = 0
+for start, end, line_no in l:
+ if end != prev_end:
+ print("non-contiguous")
+ break # the offset ranges should be contiguous
+ prev_end = end
+else:
+ print("contiguous")
+
+