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Better case coverage error message for alias and range enum (#12913)

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Jasper Jenkins 2019-12-18 01:29:01 -08:00 • committed by Clyybber
commit 3c38edf563
6 changed files with 100 additions and 70 deletions
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23
tests/casestmt/tincompletecaseobject2.nim Normal file
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discard """
cmd: "nim check $file"
errormsg: "not all cases are covered; missing: {A, B}"
nimout: '''
tincompletecaseobject2.nim(16, 1) Error: not all cases are covered; missing: {B, C, D}
tincompletecaseobject2.nim(19, 1) Error: not all cases are covered; missing: {A, C}
tincompletecaseobject2.nim(22, 1) Error: not all cases are covered; missing: {A, B}
'''
"""
type
ABCD = enum A, B, C, D
AliasABCD = ABCD
RangeABC = range[A .. C]
AliasRangeABC = RangeABC
case AliasABCD A:
of A: discard
case RangeABC A:
of B: discard
case AliasRangeABC A:
of C: discard