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Merged
glennj merged 1 commit into from
Sep 26, 2026
Merged

[list-ops] Sync new test case #451

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10 changes: 7 additions & 3 deletions exercises/practice/list-ops/.meta/tests.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,8 +29,8 @@ description = "concatenate a list of lists -> list of lists"

[d6ecd72c-197f-40c3-89a4-aa1f45827e09]
description = "concatenate a list of lists -> list of nested lists"
comment = "although gawk has arrays of arrays, you cannot write `a[1] = b` if b is an array"
include = false
comment = "although gawk has arrays of arrays, you cannot write `a[1] = b` if b is an array"

[0524fba8-3e0f-4531-ad2b-f7a43da86a16]
description = "filter list returning only values that satisfy the filter function -> empty list"
Expand All @@ -40,8 +40,8 @@ description = "filter list returning only values that satisfy the filter functio

[1cf0b92d-8d96-41d5-9c21-7b3c37cb6aad]
description = "returns the length of a list -> empty list"
comment = "builtin length() function exists"
include = false
comment = "builtin length() function exists"

[d7b8d2d9-2d16-44c4-9a19-6e5f237cb71e]
description = "returns the length of a list -> non-empty list"
Expand Down Expand Up @@ -105,8 +105,12 @@ reimplements = "be396a53-c074-4db3-8dd6-f7ed003cce7c"
description = "reverse the elements of the list -> empty list"

[fcc03d1e-42e0-4712-b689-d54ad761f360]
description = "reverse the elements of the list -> non-empty list"
description = "reverse the elements of the list -> non-empty even-length list"

[64d77184-5f74-4845-b158-545d2dd2df98]
description = "reverse the elements of the list -> non-empty odd-length list"

[40872990-b5b8-4cb8-9085-d91fc0d05d26]
description = "reverse the elements of the list -> list of lists is not flattened"
include = false
comment = "skip tests with complex data structures like nested lists"
29 changes: 28 additions & 1 deletion exercises/practice/list-ops/test-list-ops.bats
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Original file line number Diff line number Diff line change
Expand Up @@ -518,7 +518,7 @@ load bats-extra
assert_output ""
}

@test "reverse non-empty list" {
@test "reverse non-empty even-length list" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip
run gawk '
@include "array-utils.awk"
Expand All @@ -541,3 +541,30 @@ load bats-extra
assert_line --index 3 -- "[4] = 1"
assert_equal "${#lines[@]}" 4
}

@test "reverse non-empty odd-length list" {
[[ $BATS_RUN_SKIPPED == "true" ]] || skip
run gawk '
@include "array-utils.awk"
@include "list-ops.awk"

BEGIN {
split("1 3 5 7 9 11 13", list)
array::init(result)

listops::reverse(list, result)

array::pprint(result)
}
'

assert_success
assert_line --index 0 -- "[1] = 13"
assert_line --index 1 -- "[2] = 11"
assert_line --index 2 -- "[3] = 9"
assert_line --index 3 -- "[4] = 7"
assert_line --index 4 -- "[5] = 5"
assert_line --index 5 -- "[6] = 3"
assert_line --index 6 -- "[7] = 1"
assert_equal "${#lines[@]}" 7
}
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