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Add reproducing test for 1915 #1916

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Jun 24, 2025
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Add reproducing test for 1915 #1916

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58 changes: 58 additions & 0 deletions tests/test-dirs/locate/issue1915.t
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Original file line number Diff line number Diff line change
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Testing the behavior of custom operators

$ cat >main.ml <<EOF
> let ( := ) v a = Printf.printf "%s = %d;\n" v a
> let () = "foo" := 3
> let () = ( := ) "foo" 3
> EOF

$ $MERLIN single locate -look-for ml -position 2:17 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"

$ $MERLIN single locate -look-for ml -position 3:12 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"

Testing custom indexing operators

$ cat >main.ml <<EOF
> let (.%{;..}) a k = Printf.printf "%s.coeffRef(%d);\n" a k.(0)
> let (.%{ }) a k = Printf.printf "%s.coeffRef(%d);\n" a k
> let name = "baz"
> let () = name.%{2;4}
> let () = name.%{5}
> let () = ( .%{ } ) name 3
> EOF

$ $MERLIN single locate -look-for ml -position 4:15 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not in environment '%'"

$ $MERLIN single locate -look-for ml -position 4:16 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"

$ $MERLIN single locate -look-for ml -position 5:15 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not in environment '%'"

$ $MERLIN single locate -look-for ml -position 5:15 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not in environment '%'"

$ $MERLIN single locate -look-for ml -position 5:16 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"

$ $MERLIN single locate -look-for ml -position 6:13 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not in environment '%'"

$ $MERLIN single locate -look-for ml -position 6:14 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"

$ $MERLIN single locate -look-for ml -position 6:15 \
> -filename ./main.ml < ./main.ml | jq '.value'
"Not a valid identifier"