#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

set -e

eval $(gomake --no-print-directory -f ../../src/Make.inc go-env)

if [ -z "$O" ]; then
	echo 'missing $O - maybe no Make.$GOARCH?' 1>&2
	exit 1
fi

rm -f *.$O

if [ "$GOOS" = "windows" ];then
	$GC -o file.$O file_windows.go
else
	$GC file.go
fi

defer_panic_recover="
	defer.go 
	defer2.go 
"

effective_go="
	eff_bytesize.go
	eff_qr.go 
	eff_sequence.go
"

error_handling="
	error.go
	error2.go
	error3.go
	error4.go
"

go_tutorial="
	cat.go 
	cat_rot13.go 
	echo.go 
	helloworld.go 
	helloworld3.go 
	print.go 
	print_string.go 
	server.go 
	server1.go 
	sieve.go 
	sieve1.go 
	sort.go 
	sortmain.go 
	strings.go 
	sum.go 
"

for i in \
	$defer_panic_recover \
	$effective_go \
	$error_handling \
	$go_tutorial \
	go1.go \
; do
	$GC $i
done

# Write to temporary file to avoid mingw bash bug.
TMPFILE="/tmp/gotest3"

function testit {
	$LD $1.$O
	./$O.out $2 2>&1 >"$TMPFILE" || true
	x=$(echo $(cat "$TMPFILE")) # extra echo canonicalizes
	if [ "$x" != "$3" ]
	then
		echo $1 failed: '"'$x'"' is not '"'$3'"'
	fi
}

function testitpipe {
	$LD $1.$O
	./$O.out | $2 2>&1 >"$TMPFILE" || true
	x=$(echo $(cat "$TMPFILE")) # extra echo canonicalizes
	if [ "$x" != "$3" ]
	then
		echo $1 failed: '"'$x'"' is not '"'$3'"'
	fi
}


testit helloworld "" "Hello, world; or Καλημέρα κόσμε; or こんにちは 世界"
testit helloworld3 "" "hello, world can't open file; err=no such file or directory"
testit echo "hello, world" "hello, world"
testit sum "" "6"
testit strings "" ""
testit defer "" "0 3210 2"
testit defer2 "" "Calling g. Printing in g 0 Printing in g 1 Printing in g 2 Printing in g 3 Panicking! Defer in g 3 Defer in g 2 Defer in g 1 Defer in g 0 Recovered in f 4 Returned normally from f."

alphabet=abcdefghijklmnopqrstuvwxyz
rot13=nopqrstuvwxyzabcdefghijklm
echo $alphabet | testit cat "" $alphabet
echo $alphabet | testit cat_rot13 "--rot13" $rot13
echo $rot13 | testit cat_rot13 "--rot13" $alphabet

testit sortmain "" "Sunday Monday Tuesday Wednesday Thursday Friday Saturday"

testit print "" "18446744073709551615 -1 18446744073709551615 {77 Sunset Strip} [1 2 3 4] 18446744073709551615 {77 Sunset Strip} [1 2 3 4] 18446744073709551615 {77 Sunset Strip} [1 2 3 4]"
testit print_string "" "77 Sunset Strip"

testitpipe sieve "sed 10q" "2 3 5 7 11 13 17 19 23 29"
testitpipe sieve "sed 10q" "2 3 5 7 11 13 17 19 23 29"

# server hangs; don't run it, just compile it
$GC server.go
testit server1 "" ""

testit eff_bytesize "" "1.00YB 9.09TB"
testit eff_sequence "" "[-1 2 6 16 44]"

testit go1 "" "Christmas is a holiday: true"

rm -f $O.out $O.out.exe *.$O "$TMPFILE"