diff options
Diffstat (limited to 'test/test_arcs.py')
| -rw-r--r-- | test/test_arcs.py | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/test/test_arcs.py b/test/test_arcs.py index 0aa9a16..462ff2f 100644 --- a/test/test_arcs.py +++ b/test/test_arcs.py @@ -173,6 +173,39 @@ class LoopArcTest(CoverageTest): """, arcz=".1 12 23 34 45 25 56 51 67 17 7.", arcz_missing="17 25") + def test_while_true(self): + # With "while 1", the loop knows it's constant. + self.check_coverage("""\ + a, i = 1, 0 + while 1: + if i >= 3: + a = 4 + break + i += 1 + assert a == 4 and i == 3 + """, + arcz=".1 12 23 34 45 36 63 57 27 7.", + arcz_missing="27" # while loop never exits naturally. + ) + # With "while True", 2.x thinks it's computation, 3.x thinks it's + # constant. + if sys.hexversion >= 0x03000000: + arcz = ".1 12 23 34 45 36 63 57 27 7." + else: + arcz = ".1 12 23 34 45 36 62 57 27 7." + self.check_coverage("""\ + a, i = 1, 0 + while True: + if i >= 3: + a = 4 + break + i += 1 + assert a == 4 and i == 3 + """, + arcz=arcz, + arcz_missing="27" # while loop never exits naturally. + ) + class ExceptionArcTest(CoverageTest): """Arc-measuring tests involving exception handling.""" @@ -216,6 +249,26 @@ class ExceptionArcTest(CoverageTest): arcz=".1 12 .3 3. 24 45 56 67 7A 89 9A A.", arcz_missing="67 7A", arcz_unpredicted="68") + def test_except_with_type(self): + self.check_coverage("""\ + a, b = 1, 1 + def oops(x): + if x % 2: raise ValueError("odd") + def try_it(x): + try: + a = 6 + oops(x) + a = 8 + except ValueError: + b = 10 + return a + assert try_it(0) == 8 # C + assert try_it(1) == 6 # D + """, + arcz=".1 12 .3 3. 24 4C CD D. .5 56 67 78 8B 9A 9B AB B.", + arcz_missing="9B", # never got an exception other than ValueError + arcz_unpredicted="79") + def test_try_finally(self): self.check_coverage("""\ a, c = 1, 1 |