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-rw-r--r--tests/test-build-theme.el13
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/test-build-theme.el b/tests/test-build-theme.el
index 29607d099..8793da73a 100644
--- a/tests/test-build-theme.el
+++ b/tests/test-build-theme.el
@@ -181,6 +181,19 @@ drift the way Craig's downloaded exports under scripts/theme-studio/ can.")
(should (equal (build-theme/--attrs '((strike . ((color . "#cb6b4d")))))
'(:strike-through "#cb6b4d"))))
+(ert-deftest test-build-theme-attrs-migrated-shapes-match-legacy ()
+ "Boundary: the shapes the import migration produces emit identically to the
+legacy booleans they replace, so the cutover keeps generated themes byte-identical.
+Mirrors migrateLegacyFace (app-core.js) / migrate_legacy (face_specs.py)."
+ (should (equal (build-theme/--attrs '((weight . "bold")))
+ (build-theme/--attrs '((bold . t)))))
+ (should (equal (build-theme/--attrs '((slant . "italic")))
+ (build-theme/--attrs '((italic . t)))))
+ (should (equal (build-theme/--attrs '((underline . ((style . "line") (color . nil)))))
+ (build-theme/--attrs '((underline . t)))))
+ (should (equal (build-theme/--attrs '((strike . ((color . nil)))))
+ (build-theme/--attrs '((strike . t))))))
+
(ert-deftest test-build-theme-attrs-overline ()
"Normal/Boundary: overline emits t for no color, the color otherwise, nil when unset."
(should (equal (build-theme/--attrs '((overline . ((color . nil))))) '(:overline t)))