comparison tests/test-utils.sh @ 48:a7aad4c50cb9

Factor out some common utilities and setup code into test-utils.sh, and
source that file within each run-test file.

+# no shebang line: this file should be sourced by run-test.sh files
+
+trap "exit 1" ERR
+
+if [ -z ${AUDIODB} ]; then
+  AUDIODB=../../audioDB
+fi
+
+# FIXME: maybe generalize to multiple arguments?  Also, implement it
+# properly, rather than just for a few floats that we know how to
+# encode.  This might involve writing some C code, as Bash doesn't do
+# Floating Point.  (scanf() is probably enough).
+
+floatstring() {
+  for arg in "$@"; do
+    case ${arg} in
+      0)
+        printf "\x00\x00\x00\x00\x00\x00\x00\x00";;
+      0.5)
+        printf "\x00\x00\x00\x00\x00\x00\xe0\x3f";;
+      1)
+        printf "\x00\x00\x00\x00\x00\x00\xf0\x3f";;
+      *)
+        echo "bad arg to floatstring(): ${arg}"
+        exit 1;;
+    esac
+  done
+}
+
+# FIXME: likewise.  And endianness issues (which are a reflection of
+# the endianness of audioDB as of 2007-09-18, unfortunately).
+
+intstring() {
+  # works up to 9 for now
+  if [ $1 -ge 10 ]; then echo "intstring() arg too large: ${1}"; exit 1; fi
+  printf "%b\x00\x00\x00" "\\x${1}"
+}