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cmd/cue/cmd: add failing test for issue #4202
cue eval -e produces an internal error when a for comprehension's
if-guard references the same definition used in a pattern constraint
on the iterated struct.
Signed-off-by: Daniel Martí <mvdan@mvdan.cc>
Change-Id: Ifcb05b680345fbe72cd9748cdd6ee8476be2cf53
Reviewed-on: https://cue.gerrithub.io/c/cue-lang/cue/+/1231218
TryBot-Result: CUEcueckoo <cueckoo@cuelang.org>
Reviewed-by: Marcel van Lohuizen <mpvl@gmail.com>
Unity-Result: CUE porcuepine <cue.porcuepine@gmail.com>
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cmd/cue/cmd/testdata/script/eval_e.txtar
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cmd/cue/cmd/testdata/script/eval_e.txtar
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exec cue export --out text -e 'yaml.MarshalStream(X)' issue999/x.cue
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cmp stdout expect/issue999/stdout
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# Issue #4202: cue eval -e should not produce an internal error
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# when a for comprehension's if-guard references the same definition
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# used in a pattern constraint on the iterated struct.
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exec cue eval -e _out issue4202/x.cue
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stdout '_\|_'
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-- expect/nonExist/stdout --
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-- expect/nonExist/stderr --
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reference "nonExist" not found:
···
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---
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b: 2
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-- issue4202/x.cue --
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#K: string
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x: [#K]: _
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x: a: 1
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_out: [
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for k, v in x
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if k =~ #K {v},
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]