diff options
Diffstat (limited to 'coverage/results.py')
| -rw-r--r-- | coverage/results.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/coverage/results.py b/coverage/results.py index 9be16b15..ecd50ae9 100644 --- a/coverage/results.py +++ b/coverage/results.py @@ -7,7 +7,7 @@ import collections from coverage.backward import iitems from coverage.debug import SimpleReprMixin -from coverage.misc import contract, format_lines +from coverage.misc import contract, format_lines, CoverageException class Analysis(object): @@ -283,9 +283,10 @@ def should_fail_under(total, fail_under, precision): Returns True if the total should fail. """ - # We can never achieve higher than 100% coverage - if fail_under > 100.0: - raise ValueError("`fail_under` is greater than 100. Please use 100 or lower.") + # We can never achieve higher than 100% coverage, or less than zero. + if not (0 <= fail_under <= 100.0): + msg = "fail_under={} is invalid. Must be between 0 and 100.".format(fail_under) + raise CoverageException(msg) # Special case for fail_under=100, it must really be 100. if fail_under == 100.0 and total != 100.0: |