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testament improvement: allow inline error messages inside test cases (#15294)

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* testament support for inline error messages
* adapt teffects1.nim test to show the potential
This commit is contained in:
Andreas Rumpf 2020-09-10 16:30:20 +02:00 • committed by GitHub
commit 9a110047cb
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3 changed files with 142 additions and 21 deletions
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19
tests/effects/teffects1.nim
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@ -1,13 +1,5 @@
discard """
errormsg: "type mismatch: got <proc (x: int): string{.noSideEffect, gcsafe, locks: 0.}> but expected 'MyProcType = proc (x: int): string{.closure.}'"
file: "teffects1.nim"
line: 38
cmd: "nim check $file"
nimout: '''teffects1.nim(22, 28) template/generic instantiation from here
teffects1.nim(23, 13) Error: can raise an unlisted exception: ref IOError
teffects1.nim(22, 29) Hint: 'IO2Error' is declared but not used [XDeclaredButNotUsed]
teffects1.nim(38, 21) Error: type mismatch: got <proc (x: int): string{.noSideEffect, gcsafe, locks: 0.}> but expected 'MyProcType = proc (x: int): string{.closure.}'
.raise effects differ'''
"""
type
@ -20,7 +12,10 @@ type
proc forw: int {. .}
proc lier(): int {.raises: [IO2Error].} =
writeLine stdout, "arg"
#[tt.Hint ^ 'IO2Error' is declared but not used [XDeclaredButNotUsed] ]#
writeLine stdout, "arg" #[tt.Error
^ can raise an unlisted exception: ref IOError
]#
proc forw: int =
raise newException(IOError, "arg")
@ -35,5 +30,9 @@ proc foo(x: int): string {.raises: [ValueError].} =
raise newException(ValueError, "Use single digit")
$x
var p: MyProcType = foo
var p: MyProcType = foo #[tt.Error
^
type mismatch: got <proc (x: int): string{.noSideEffect, gcsafe, locks: 0.}> but expected 'MyProcType = proc (x: int): string{.closure.}'
]#
{.pop.}