busybox/testsuite/bc.tests

#!/bin/sh
# Copyright 2018 by Denys Vlasenko
# Licensed under GPLv2 or later, see file LICENSE in this source tree.

. ./testing.sh

# testing "test name" "command" "expected result" "file input" "stdin"

testing "bc comment 1" \
	"bc" \
	"3\n" \
	"" "1 /* comment */ + 2"

testing "bc comment 2: /*/ is not a closed comment" \
	"bc" \
	"4\n" \
	"" "1 /*/ + 2 */ + 3"

testing "bc backslash 1" \
	"bc" \
	"3\n" \
	"" "1 \\\\\n + 2"

testing "bc string 1" \
	"bc" \
	"STR\n" \
	"" "\"STR\n\""

testing "bc if 0 else" \
	"bc" \
	"2\n9\n" \
	"" "if (0) 1 else 2; 9"

testing "bc if 1 else" \
	"bc" \
	"1\n9\n" \
	"" "if (1) 1 else 2; 9"

testing "bc if 1 if 1 else else" \
	"bc" \
	"1\n9\n" \
	"" "if (1) if (1) 1 else 2 else 3; 9"

testing "bc if 0 else if 1" \
	"bc" \
	"2\n9\n" \
	"" "if (0) 1 else if (1) 2; 9"

testing "bc define auto" \
	"bc" \
	"8\n9\n" \
	"" "define w() { auto z; return 8; }; w(); 9"

testing "bc define with body on next line" \
	"bc" \
	"8\n9\n" \
	"" "define w()\n{ auto z; return 8; }\nw()\n9"

testing "bc if(cond)<NL>" \
	"bc" \
	"9\n" \
	"" "if(0)\n3\n9"

testing "bc while(cond)<NL>" \
	"bc" \
	"8\n7\n6\n5\n4\n3\n2\n1\n9\n" \
	"" "i=9;while(--i)\ni\n9"

tar xJf bc_large.tar.xz

for f in bc*.bc; do
	r="`basename "$f" .bc`_results.txt"
	test -f "$r" || continue
	# testing "test name" "command" "expected result" "file input" "stdin"
	testing "bc -lq $f" \
		"{ { bc -lq $f 2>&1; echo E:\$? >&2; } | diff -u - $r; echo E:\$?; } 2>&1" \
		"E:0\nE:0\n" \
		"" ""
done

exit $FAILCOUNT