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test: add comprehensive unit tests for Template::Iterator#437

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test: add comprehensive unit tests for Template::Iterator#437
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@toddr-bot toddr-bot commented May 24, 2026

What

95 unit tests for Template::Iterator covering all public methods and constructor input paths.

Why

The existing t/iterator.t has 182 lines with basic get_first/get_next/get_all coverage and a handful of template integration tests. Constructor input coercion (hash→sorted pairs, as_list() objects, single scalar wrapping, blessed arrays), accessor methods via AUTOLOAD, and edge cases (empty/undef/mixed data types) had zero direct coverage.

How

Follows the project's *_methods.t convention (like t/context_methods.t, t/document_methods.t). Pure Test::More unit tests — no template execution overhead.

Key coverage areas:

  • Constructor paths: array ref, hash ref (sorted key/value pairs), object with as_list(), blessed array without as_list() (wrapped), single scalar, undef, empty inputs
  • Lifecycle: get_first/get_next/get_all sequencing, re-initialization, exhaustion, warning on get_next before get_first
  • Accessors: index/count/size/first/last, prev/next (AUTOLOAD), odd/even/parity, number() backward compat
  • Edge cases: numeric zeros, negative numbers, undef elements, nested refs

Testing

All 95 tests pass. Full suite: 122 files, 3239 tests, all pass.

🤖 Generated with Claude Code


Quality Report

Changes: 1 file changed, 416 insertions(+)

Code scan: clean

Tests: passed (OK)

Branch hygiene: clean

Generated by Kōan post-mission quality pipeline

95 tests covering constructor input coercion (hash, as_list objects,
single scalar, blessed arrays), get_first/get_next/get_all lifecycle,
accessor methods (prev/next/odd/even/parity/number), AUTOLOAD dispatch,
and edge cases (empty/undef inputs, mixed data types, numeric zeros).

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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