view tests/echo.test @ 1650:a740a876c76c draft

Cleanup pass on printf. Alas, passing a union as the last argument to printf does not appear to work reliably, and there's no obvious way to manually assemble varargs in a portable manner. So I have to repeat the printf once for each data type. Oh well.
author Rob Landley <>
date Sun, 11 Jan 2015 01:22:36 -0600
parents 8700cbe1cb29
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[ -f ] && .

# This one's tricky both because echo is a shell builtin (so $PATH is
# irrelevant) and because the "result" field is parsed with echo -e.
# To make it work, "$CMD" is an explicit path to the command being tested,
# so "result" keeps using the shell builtin but we test the one in toybox.

CMD="$(which echo)"

#testing "name" "command" "result" "infile" "stdin"

testing "echo" "$CMD && echo yes" "\nyes\n" "" ""
testing "echo 1 2 3" "$CMD one  two	three" "one two three\n" "" ""
testing "echo with spaces" "$CMD 'one  two	three'" \
	"one  two	three\n" "" ""
testing "echo -n" "$CMD -n" "" "" ""
testing "echo -n one" "$CMD -n one" "one" "" ""
testing "echo one -n" "$CMD one -n" "one -n\n" "" ""
testing "echo -en" "$CMD -en 'one\ntwo'" "one\ntwo" "" ""
testing "echo --hello" "$CMD --hello" "--hello\n" "" ""
testing "echo -e all" "$CMD -e '\a\b\c\f\n\r\t\v\\\0123'" \
	"\a\b\c\f\n\r\t\v\\\0123\n" "" ""
testing "echo -nex hello" "$CMD -nex hello" "-nex hello\n" "" ""

# Octal formatting tests
testing "echo -e octal values" \
	"$CMD -ne '\01234 \0060 \060 \0130\0131\0132 \077\012'" \
	"S4 0 0 XYZ ?\n" "" ""

# Hexadecimal value tests
testing "echo -e hexadecimal values" \
	"$CMD -ne '\x534 \x30 \x58\x59\x5a \x3F\x0A'"\
	"S4 0 XYZ ?\n" "" ""

testing "echo -e \p" "$CMD -e '\\p'" "\\p\n" "" ""