1. Create a new Custom sections course with 1 section (besides the General section).
2. Add two new subsections within Section 1.
3. Click Collapse all.
4. Verify both sections are collapsed.
5. Click to expand the General section.
6. Verify the General section is expanded.
7. Click to expand Section 1.
8. Verify Section 1 is expanded, and the contained subsections are collapsed.
9. Click Expand all.
10. Verify all sections and subsections are expanded.
11. Change the course setting Course format > Course layout to Show one section per page.
12. Turn Edit mode off (if it isn't already).
13. Verify Section 1 is shown in summary form (subsections are not displayed), and there is no collapse-state toggler.
14. Click the section 1 heading, to go to the Section 1 page.
15. Verify the subsections are displayed in full ("Activities: 0" is not displayed), and there are collapse-state togglers.
16. Verify the Collapse all toggler is displayed.
17. Click Collapse all.
18. Verify both subsections are collapsed.
19. Click Expand all.
20. Verify both subsections are expanded.

Code verified against automated checks.

Checked MDL-83233 using repository: https://github.com/james-cnz/moodle

• main (0 errors / 0 warnings) [branch: mdl-83233_main | CI Job]

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Built on: Sun Mar 23 07:39:34 UTC 2025