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require 'linguist/tokenizer'
require 'test/unit'
class TestTokenizer < Test::Unit::TestCase
include Linguist
def samples_path
File.expand_path("../../samples", __FILE__)
end
def tokenize(data)
data = File.read(File.join(samples_path, data.to_s)) if data.is_a?(Symbol)
Tokenizer.tokenize(data)
end
def test_skip_string_literals
assert_equal %w(print), tokenize('print ""')
assert_equal %w(print), tokenize('print "Josh"')
assert_equal %w(print), tokenize("print 'Josh'")
assert_equal %w(print), tokenize('print "Hello \"Josh\""')
assert_equal %w(print), tokenize("print 'Hello \\'Josh\\''")
end
def test_skip_number_literals
assert_equal %w(+), tokenize('1 + 1')
assert_equal %w(add \( \)), tokenize('add(123, 456)')
assert_equal %w(|), tokenize('0x01 | 0x10')
end
def test_skip_comments
assert_equal %w(foo #), tokenize("foo\n# Comment")
assert_equal %w(foo # bar), tokenize("foo\n# Comment\nbar")
assert_equal %w(foo //), tokenize("foo\n// Comment")
assert_equal %w(foo /* */), tokenize("foo /* Comment */")
assert_equal %w(foo /* */), tokenize("foo /* \nComment\n */")
assert_equal %w(foo <!-- -->), tokenize("foo <!-- Comment -->")
assert_equal %w(foo {- -}), tokenize("foo {- Comment -}")
assert_equal %w(foo \(* *\)), tokenize("foo (* Comment *)")
assert_equal %w(% %), tokenize("2 % 10\n% Comment")
end
def test_sgml_tags
assert_equal %w(<html> </html>), tokenize("<html></html>")
assert_equal %w(<div> id </div>), tokenize("<div id></div>")
assert_equal %w(<div> id= </div>), tokenize("<div id=foo></div>")
assert_equal %w(<div> id class </div>), tokenize("<div id class></div>")
assert_equal %w(<div> id= </div>), tokenize("<div id=\"foo bar\"></div>")
assert_equal %w(<div> id= </div>), tokenize("<div id='foo bar'></div>")
assert_equal %w(<?xml> version=), tokenize("<?xml version=\"1.0\"?>")
end
def test_operators
assert_equal %w(+), tokenize("1 + 1")
assert_equal %w(-), tokenize("1 - 1")
assert_equal %w(*), tokenize("1 * 1")
assert_equal %w(/), tokenize("1 / 1")
assert_equal %w(%), tokenize("2 % 5")
assert_equal %w(&), tokenize("1 & 1")
assert_equal %w(&&), tokenize("1 && 1")
assert_equal %w(|), tokenize("1 | 1")
assert_equal %w(||), tokenize("1 || 1")
assert_equal %w(<), tokenize("1 < 0x01")
assert_equal %w(<<), tokenize("1 << 0x01")
end
def test_c_tokens
assert_equal %w(#ifndef HELLO_H #define HELLO_H void hello \( \) ; #endif), tokenize(:"C/hello.h")
assert_equal %w(#include <stdio.h> int main \( \) { printf \( \) ; return ; }), tokenize(:"C/hello.c")
end
def test_cpp_tokens
assert_equal %w(class Bar { protected char *name ; public void hello \( \) ; }), tokenize(:"C++/bar.h")
assert_equal %w(#include <iostream> using namespace std ; int main \( \) { cout << << endl ; }), tokenize(:"C++/hello.cpp")
end
def test_objective_c_tokens
assert_equal %w(#import <Foundation/Foundation.h> @interface Foo NSObject { } @end), tokenize(:"Objective-C/Foo.h")
assert_equal %w(#import @implementation Foo @end), tokenize(:"Objective-C/Foo.m")
assert_equal %w(#import <Cocoa/Cocoa.h> int main \( int argc char *argv \) { NSLog \( @ \) ; return ; }), tokenize(:"Objective-C/hello.m")
end
def test_javascript_tokens
assert_equal %w( \( function \( \) { console.log \( \) ; } \) .call \( this \) ;), tokenize(:"JavaScript/hello.js")
end
def test_ruby_tokens
assert_equal %w(module Foo end), tokenize(:"Ruby/foo.rb")
assert_equal %w(# /usr/bin/env ruby puts), tokenize(:"Ruby/script.rb")
assert_equal %w(task default do puts end), tokenize(:"Ruby/filenames/Rakefile")
end
end
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