eval-tester, bash.bash: attempt time delta fix

on CI eval-tester time deltas are always huge, maybe this will fix it

Author: balupton

commands/eval-tester

@@ -242,7 +242,7 @@ function eval_tester() (
 		printf '%s' "$?" >"$semaphore_tty_status"
 	)
 	# capture
-	local command_string time actual_exit_status actual_stdout actual_stderr actual_tty
+	local command_string time_before time_after time_ actual_exit_status actual_stdout actual_stderr actual_tty
 	args+=(
 		--trailing-newlines="$option_trailing_newlines"
 		--redirect-status={actual_exit_status}
@@ -259,10 +259,11 @@ function eval_tester() (
 	fi
 	command_string="$(echo-escape-command -- "${option_cmd[@]}")"
 	echo-style --h2="$title" --newline --element+bold="$command_string"
-	time="$(__get_epoch_time)"
+	time_before="$(__get_epoch_time)"
 	# __eval_helper --quiet="$option_quiet" --wrap <-- if this is done, element rendering, quite mode, and time duration can all be moved to eval-helper
 	__do "${args[@]}" -- "${option_cmd[@]}"
-	time="$(echo-math -- "$(__get_epoch_time) - $time")"
+	time_after="$(__get_epoch_time)"
+	time_delta="$(echo-math -- "$time_after - $time_before")"
 	if [[ $BASH_CLOSURE_OF_FILE_DESCRIPTOR_CLOSES_THE_STDIN_OF_ITS_PROCESS_SUBSTITUTION == 'no' ]]; then
 		__to --target="$TERMINAL_OUTPUT_TARGET" -- $'\004'
 	fi
@@ -300,10 +301,10 @@ function eval_tester() (
 
 	# pass or fail
 	if [[ $FAIL == 'yes' ]]; then
-		echo-style --e2="$title" ' ' --code="in $time seconds" $'\n'
+		echo-style --e2="$title" ' ' --code="in $time_delta seconds" $'\n'
 		return 221 # ECUSTOM 221 Tests failed
 	else
-		echo-style --g2="$title" ' ' --code="in $time seconds" $'\n'
+		echo-style --g2="$title" ' ' --code="in $time_delta seconds" $'\n'
 	fi
 )
 

sources/bash.bash

@@ -618,9 +618,9 @@ else
 	function __get_epoch_time {
 		local time size
 		time="$(date +%s.%N)" || return
-		if [[ $time == *000 ]]; then
+		if [[ $time == *.*0 ]]; then
 			size="${#time}"
-			printf '%s' "${time:0:size-3}" || return # trim last 3 digits, as they are just zeroes
+			printf '%s' "${time:0:size-1}" || return # trim trailing decimal zeroes
 		else
 			printf '%s' "$time" || return
 		fi