. "$BST_LIB"
require figlet figlet/present

# figlet renders its argument as multi-line ASCII-art built from ordinary
# characters, using a font from /usr/share/figlet. The default "standard" font
# must ship for any render to work.
check figlet/fontdir test -f /usr/share/figlet/standard.flf

# Render a word from argv: the standard font turns "hi" into a banner whose
# glyphs are drawn with underscores and pipes. Assert figlet exits 0 and the
# banner carries a figlet glyph character.
check_out figlet/render "_" figlet hi

# The banner is several rows tall (standard font is 6 lines) — a single line of
# output would mean the render collapsed.
out=$(figlet hi 2>&1); rc=$?
lines=$(printf '%s\n' "$out" | wc -l)
if [ "$rc" -eq 0 ] && [ "$lines" -ge 4 ]; then bst_ok figlet/multiline
else bst_notok figlet/multiline "rc=$rc lines=$lines $(_bst_1line "$out")"; fi

# Text also arrives on stdin (the pipe form), the common banner usage.
check_out figlet/stdin "_" sh -c 'echo brintOS | figlet'