# Copyright (c) 2024 Emma Tebibyte <emma@tebibyte.media>
# SPDX-License-Identifier: FSFAP
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice and this
# notice are preserved.  This file is offered as-is, without any warranty.

.PHONY: rpn_tests
rpn_tests: rpn_help rpn_add

.PHONY: rpn_help
rpn_help: $(BIN)/rpn
	! $(BIN)/rpn -h

.PHONY: rpn_add
rpn_add: $(BIN)/rpn
	test "$$($(BIN)/rpn 1 2 +)" -eq 3
	test "$$($(BIN)/rpn 0.2 0.1 +)" = 0.3

.PHONY: rpn_sub
rpn_sub: $(BIN)/rpn
	test "$$($(BIN)/rpn 23 5 -)" -eq 18
	test "$$($(BIN)/rpn 0.3 0.1)" = 0.2

.PHONY: rpn_mul
rpn_mul: $(BIN)/rpn
	test "$$($(BIN)/rpn 1.2 3 '*')" = 3.6
	test "$$($(BIN)/rpn 0 3 '*')" -eq 0

.PHONY: rpn_div
rpn_div: $(BIN)/rpn
	test "$$($(BIN)/rpn 12 5 /)" = 2.4
	test "$$($(BIN)/rpn 3 0 /)" -eq inf

.PHONY: rpn_mod
rpn_mod: $(BIN)/rpn
	test "$$($(BIN)/rpn 12 5 %)" -eq 2
	test "$$($(BIN)/rpn 9 4 %)" -eq 1

.PHONY: rpn_flr
rpn_flr: $(BIN)/rpn
	test "$$($(BIN)/rpn 12 5 //)" -eq 2
	test "$$($(BIN)/rpn 9 4 //)" -eq 2