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95 lines
3.3 KiB
Scheme
95 lines
3.3 KiB
Scheme
;;;; ecmascript.test --- ECMAScript. -*- mode: scheme; coding: utf-8; -*-
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;;;;
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;;;; Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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;;;;
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;;;; This library is free software; you can redistribute it and/or
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;;;; modify it under the terms of the GNU Lesser General Public
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;;;; License as published by the Free Software Foundation; either
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;;;; version 3 of the License, or (at your option) any later version.
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;;;;
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;;;; This library is distributed in the hope that it will be useful,
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;;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;;;; Lesser General Public License for more details.
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;;;;
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;;;; You should have received a copy of the GNU Lesser General Public
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;;;; License along with this library; if not, write to the Free Software
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;;;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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(define-module (test-ecmascript)
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#:use-module (test-suite lib)
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#:use-module (language ecmascript parse)
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#:use-module ((system base compile) #:select (compile)))
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(define (eread str)
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(call-with-input-string str read-ecmascript))
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(define (eread/1 str)
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(call-with-input-string str read-ecmascript/1))
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(define-syntax parse
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(syntax-rules ()
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((_ expression expected)
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(begin
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(pass-if expression
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(equal? expected (eread expression)))
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(pass-if expression
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(equal? expected (eread/1 expression)))))))
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(with-test-prefix "parser"
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(parse "true;" 'true)
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(parse "2 + 2;" '(+ (number 2) (number 2)))
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(parse "2\xa0+2;" '(+ (number 2) (number 2))) ; U+00A0 is whitespace
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(parse "\"hello\";" '(string "hello"))
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(parse "function square(x) { return x * x; }"
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'(var (square (lambda (x) (return (* (ref x) (ref x)))))))
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(parse "document.write('Hello, world!');"
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'(call (pref (ref document) write) ((string "Hello, world!"))))
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(parse "var x = { foo: 12, bar: \"hello\" };"
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'(begin (var (x (object (foo (number 12))
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(bar (string "hello")))))
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(begin)))
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(parse "\"\\x12\";" ; Latin-1 escape in string literal
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'(string "\x12"))
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(parse "\"\\u1234\";" ; Unicode escape in string literal
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'(string "\u1234"))
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(parse "function foo(x) { }" ; empty function body
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'(var (foo (lambda (x) (begin)))))
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(parse ".123;" '(number 0.123))
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(parse "0xff;" '(number 255)))
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(define-syntax ecompile
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(syntax-rules ()
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((_ expression)
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(pass-if expression
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(not (not
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(compile (call-with-input-string expression read-ecmascript)
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#:from 'ecmascript
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#:to 'value)))))
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((_ expression expected)
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(pass-if expression
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(equal? expected
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(compile (call-with-input-string expression read-ecmascript)
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#:from 'ecmascript
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#:to 'value))))))
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(with-test-prefix "compiler"
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(ecompile "true;" #t)
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(ecompile "2 + 2;" 4)
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(ecompile "\"hello\";" "hello")
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(ecompile "var test = { bar: 1 };")
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;; FIXME: Broken!
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;; (ecompile "[1,2,3,4].map(function(x) { return x * x; });"
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;; '(1 4 9 16))
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;; Examples from
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;; <http://wingolog.org/archives/2009/02/22/ecmascript-for-guile>.
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(ecompile "42 + \" good times!\";"
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"42 good times!")
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(ecompile "[0,1,2,3,4,5].length * 7;"
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42))
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