# Test basic add and list of __abbr1
# Erasing one that doesn't exist should do nothing
abbr --erase: No abbreviation named NOT_AN_ABBR
# Adding existing __abbr1 should be idempotent
# Replacing __abbr1 definition
# __abbr1 -s and --show tests
# Test erasing __abbr1
# Ensure we escape special characters on output
# Ensure we handle leading dashes in abbreviation names properly
# Test that an abbr word containing spaces is rejected
abbr --add: Abbreviation 'a b c' cannot have spaces in the word
# Test renaming
# Test renaming a nonexistent abbreviation
abbr --rename: No abbreviation named __abbr6
# Test renaming to a abbreviation with spaces
abbr --rename: Abbreviation 'g h i' cannot have spaces in the word
# Test renaming without arguments
abbr --rename: Requires exactly two arguments
# Test renaming with too many arguments
abbr --rename: Requires exactly two arguments
# Test renaming to existing abbreviation
abbr --rename: Abbreviation __abbr12 already exists, cannot rename __abbr11