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;; -*- compile-command: "guile -L ./src ./src/unit-tests/lexer/lexer-test.scm"; -*-
(use-modules (srfi srfi-64)
(modules lexer lexer))
(define (read-this str)
(set-current-input-port
(open-input-string str)))
(test-begin "lexer-harness")
(test-equal "empty string"
'()
(begin
(read-this "")
(read-tokens)))
(test-equal "("
'(left-paren)
(begin
(read-this "(")
(read-tokens)))
(test-equal "(("
'(left-paren left-paren)
(begin
(read-this "((")
(read-tokens)))
(test-equal "( )"
'(left-paren right-paren)
(begin
(read-this "( )")
(read-tokens)))
(test-equal "( {;} {((};})"
'(left-paren open-brace semi-colon close-brace open-brace left-paren left-paren close-brace semi-colon close-brace right-paren)
(begin
(read-this "( {;} {((};})")
(read-tokens)))
(test-equal "1"
'(1)
(begin
(read-this "1")
(read-tokens)))
(test-equal "0"
'(0)
(begin
(read-this "0")
(read-tokens)))
(test-equal "0011001"
'(11001)
(begin
(read-this "0011001")
(read-tokens)))
(test-equal "12 {34"
'(12 open-brace 34)
(begin
(read-this "12 {34")
(read-tokens)))
(test-equal "34;"
'(34 semi-colon)
(begin
(read-this "34;")
(read-tokens)))
(test-error "3.4"
(begin
(read-this "3.4")
(read-tokens)))
(test-equal "a"
'("a")
(begin
(read-this "a")
(read-tokens)))
(test-equal "a_2"
'("a_2")
(begin
(read-this "a_2")
(read-tokens)))
(test-error "1foo"
(begin
(read-this "1foo")
(read-tokens)))
(test-equal "int main(void) {return 2;}"
'("int" "main" left-paren "void" right-paren open-brace "return" 2 semi-colon close-brace)
(begin
(read-this "int main(void) {return 2;}")
(read-tokens)))
(test-end "lexer-harness")
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