mirror of
https://github.com/classilla/tenfourfox.git
synced 2025-02-22 02:29:14 +00:00
567 lines
12 KiB
JavaScript
567 lines
12 KiB
JavaScript
/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2; fill-column: 80 -*- */
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"use strict";
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/*
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* Copyright 2013 Mozilla Foundation and contributors
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* Licensed under the New BSD license. See LICENSE.md or:
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* http://opensource.org/licenses/BSD-2-Clause
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*/
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var prettyFast = this.prettyFast || require("./pretty-fast");
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var testCases = [
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{
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name: "Simple function",
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input: "function foo() { bar(); }",
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output: "function foo() {\n" +
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" bar();\n" +
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"}\n",
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mappings: [
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// function foo() {
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{
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inputLine: 1,
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outputLine: 1
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},
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// bar();
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{
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inputLine: 1,
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outputLine: 2
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},
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// }
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{
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inputLine: 1,
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outputLine: 3
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},
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]
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},
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{
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name: "Nested function",
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input: "function foo() { function bar() { debugger; } bar(); }",
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output: "function foo() {\n" +
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" function bar() {\n" +
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" debugger;\n" +
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" }\n" +
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" bar();\n" +
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"}\n",
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mappings: [
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// function bar() {
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{
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inputLine: 1,
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outputLine: 2
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},
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// debugger;
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{
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inputLine: 1,
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outputLine: 3
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},
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// bar();
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{
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inputLine: 1,
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outputLine: 5
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},
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]
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},
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{
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name: "Immediately invoked function expression",
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input: "(function(){thingy()}())",
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output: "(function () {\n" +
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" thingy()\n" +
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"}())\n"
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},
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{
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name: "Single line comment",
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input: "// Comment\n" +
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"function foo() { bar(); }\n",
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output: "// Comment\n" +
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"function foo() {\n" +
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" bar();\n" +
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"}\n",
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mappings: [
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// // Comment
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{
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inputLine: 1,
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outputLine: 1
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}
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]
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},
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{
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name: "Multi line comment",
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input: "/* Comment\n" +
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"more comment */\n" +
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"function foo() { bar(); }\n",
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output: "/* Comment\n" +
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"more comment */\n" +
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"function foo() {\n" +
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" bar();\n" +
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"}\n",
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mappings: [
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// /* Comment
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{
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inputLine: 1,
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outputLine: 1
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},
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// \nmore comment */
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{
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inputLine: 1,
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outputLine: 2
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}
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]
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},
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{
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name: "Null assignment",
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input: "var i=null;\n",
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output: "var i = null;\n",
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mappings: [
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{
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inputLine: 1,
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outputLine: 1
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}
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]
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},
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{
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name: "Undefined assignment",
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input: "var i=undefined;\n",
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output: "var i = undefined;\n"
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},
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{
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name: "Void 0 assignment",
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input: "var i=void 0;\n",
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output: "var i = void 0;\n"
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},
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{
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name: "This property access",
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input: "var foo=this.foo;\n",
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output: "var foo = this.foo;\n"
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},
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{
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name: "True assignment",
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input: "var foo=true;\n",
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output: "var foo = true;\n"
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},
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{
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name: "False assignment",
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input: "var foo=false;\n",
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output: "var foo = false;\n"
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},
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{
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name: "For loop",
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input: "for (var i = 0; i < n; i++) { console.log(i); }",
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output: "for (var i = 0; i < n; i++) {\n" +
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" console.log(i);\n" +
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"}\n",
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mappings: [
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// for (var i = 0; i < n; i++) {
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{
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inputLine: 1,
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outputLine: 1
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},
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// console.log(i);
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{
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inputLine: 1,
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outputLine: 2
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},
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]
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},
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{
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name: "String with semicolon",
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input: "var foo = ';';\n",
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output: "var foo = ';';\n"
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},
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{
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name: "String with quote",
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input: "var foo = \"'\";\n",
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output: "var foo = '\\'';\n"
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},
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{
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name: "Function calls",
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input: "var result=func(a,b,c,d);",
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output: "var result = func(a, b, c, d);\n"
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},
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{
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name: "Regexp",
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input: "var r=/foobar/g;",
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output: "var r = /foobar/g;\n"
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},
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{
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name: "In operator",
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input: "if(foo in bar){doThing()}",
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output: "if (foo in bar) {\n" +
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" doThing()\n" +
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"}\n"
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},
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{
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name: "With statement",
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input: "with(obj){crock()}",
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output: "with (obj) {\n" +
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" crock()\n" +
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"}\n"
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},
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{
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name: "New expression",
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input: "var foo=new Foo();",
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output: "var foo = new Foo();\n"
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},
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{
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name: "Continue/break statements",
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input: "while(1){if(x){continue}if(y){break}if(z){break foo}}",
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output: "while (1) {\n" +
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" if (x) {\n" +
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" continue\n" +
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" }\n" +
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" if (y) {\n" +
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" break\n" +
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" }\n" +
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" if (z) {\n" +
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" break foo\n" +
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" }\n" +
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"}\n"
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},
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{
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name: "Instanceof",
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input: "var a=x instanceof y;",
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output: "var a = x instanceof y;\n"
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},
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{
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name: "Binary operators",
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input: "var a=5*30;var b=5>>3;",
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output: "var a = 5 * 30;\n" +
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"var b = 5 >> 3;\n"
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},
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{
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name: "Delete",
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input: "delete obj.prop;",
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output: "delete obj.prop;\n"
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},
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{
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name: "Try/catch/finally statement",
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input: "try{dangerous()}catch(e){handle(e)}finally{cleanup()}",
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output: "try {\n" +
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" dangerous()\n" +
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"} catch (e) {\n" +
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" handle(e)\n" +
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"} finally {\n" +
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" cleanup()\n" +
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"}\n"
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},
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{
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name: "If/else statement",
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input: "if(c){then()}else{other()}",
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output: "if (c) {\n" +
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" then()\n" +
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"} else {\n" +
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" other()\n" +
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"}\n"
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},
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{
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name: "If/else without curlies",
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input: "if(c) a else b",
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output: "if (c) a else b\n"
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},
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{
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name: "Objects",
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input: "var o={a:1,\n" +
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" b:2};",
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output: "var o = {\n" +
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" a: 1,\n" +
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" b: 2\n" +
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"};\n",
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mappings: [
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// a: 1,
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{
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inputLine: 1,
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outputLine: 2
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},
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// b: 2
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{
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inputLine: 2,
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outputLine: 3
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},
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]
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},
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{
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name: "Do/while loop",
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input: "do{x}while(y)",
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output: "do {\n" +
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" x\n" +
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"} while (y)\n"
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},
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{
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name: "Arrays",
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input: "var a=[1,2,3];",
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output: "var a = [\n" +
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" 1,\n" +
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" 2,\n" +
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" 3\n" +
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"];\n"
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},
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{
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name: "Code that relies on ASI",
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input: "var foo = 10\n" +
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"var bar = 20\n" +
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"function g() {\n" +
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" a()\n" +
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" b()\n" +
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"}",
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output: "var foo = 10\n" +
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"var bar = 20\n" +
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"function g() {\n" +
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" a()\n" +
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" b()\n" +
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"}\n"
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},
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{
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name: "Ternary operator",
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input: "bar?baz:bang;",
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output: "bar ? baz : bang;\n"
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},
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{
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name: "Switch statements",
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input: "switch(x){case a:foo();break;default:bar()}",
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output: "switch (x) {\n" +
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" case a:\n" +
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" foo();\n" +
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" break;\n" +
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" default:\n" +
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" bar()\n" +
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"}\n"
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},
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{
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name: "Multiple single line comments",
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input: "function f() {\n" +
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" // a\n" +
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" // b\n" +
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" // c\n" +
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"}\n",
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output: "function f() {\n" +
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" // a\n" +
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" // b\n" +
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" // c\n" +
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"}\n",
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},
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{
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name: "Indented multiline comment",
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input: "function foo() {\n" +
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" /**\n" +
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" * java doc style comment\n" +
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" * more comment\n" +
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" */\n" +
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" bar();\n" +
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"}\n",
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output: "function foo() {\n" +
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" /**\n" +
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" * java doc style comment\n" +
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" * more comment\n" +
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" */\n" +
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" bar();\n" +
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"}\n",
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},
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{
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name: "ASI return",
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input: "function f() {\n" +
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" return\n" +
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" {}\n" +
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"}\n",
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output: "function f() {\n" +
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" return\n" +
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" {\n" +
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" }\n" +
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"}\n",
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},
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{
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name: "Non-ASI property access",
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input: "[1,2,3]\n" +
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"[0]",
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output: "[\n" +
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" 1,\n" +
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" 2,\n" +
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" 3\n" +
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"]\n" +
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"[0]\n"
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},
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{
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name: "Non-ASI in",
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input: "'x'\n" +
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"in foo",
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output: "'x' in foo\n"
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},
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{
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name: "Non-ASI function call",
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input: "f\n" +
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"()",
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output: "f()\n"
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},
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{
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name: "Non-ASI new",
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input: "new\n" +
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"F()",
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output: "new F()\n"
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},
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{
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name: "Getter and setter literals",
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input: "var obj={get foo(){return this._foo},set foo(v){this._foo=v}}",
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output: "var obj = {\n" +
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" get foo() {\n" +
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" return this._foo\n" +
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" },\n" +
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" set foo(v) {\n" +
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" this._foo = v\n" +
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" }\n" +
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"}\n"
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},
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{
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name: "Escaping backslashes in strings",
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input: "'\\\\'\n",
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output: "'\\\\'\n"
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},
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{
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name: "Escaping carriage return in strings",
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input: "'\\r'\n",
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output: "'\\r'\n"
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},
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{
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name: "Escaping tab in strings",
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input: "'\\t'\n",
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output: "'\\t'\n"
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},
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{
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name: "Escaping vertical tab in strings",
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input: "'\\v'\n",
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output: "'\\v'\n"
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},
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{
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name: "Escaping form feed in strings",
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input: "'\\f'\n",
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output: "'\\f'\n"
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},
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{
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name: "Escaping null character in strings",
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input: "'\\0'\n",
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output: "'\\0'\n"
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},
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{
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name: "Bug 977082 - space between grouping operator and dot notation",
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input: "JSON.stringify(3).length;\n" +
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"([1,2,3]).length;\n" +
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"(new Date()).toLocaleString();\n",
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output: "JSON.stringify(3).length;\n" +
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"([1,\n" +
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"2,\n" +
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"3]).length;\n" +
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"(new Date()).toLocaleString();\n"
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},
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{
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name: "Bug 975477 don't move end of line comments to next line",
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input: "switch (request.action) {\n" +
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" case 'show': //$NON-NLS-0$\n" +
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" if (localStorage.hideicon !== 'true') { //$NON-NLS-0$\n" +
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" chrome.pageAction.show(sender.tab.id);\n" +
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" }\n" +
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" break;\n" +
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" default:\n" +
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" console.warn('unknown request'); //$NON-NLS-0$\n" +
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" // don't respond if you don't understand the message.\n" +
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" return;\n" +
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"}\n",
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output: "switch (request.action) {\n" +
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" case 'show': //$NON-NLS-0$\n" +
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" if (localStorage.hideicon !== 'true') { //$NON-NLS-0$\n" +
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" chrome.pageAction.show(sender.tab.id);\n" +
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" }\n" +
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" break;\n" +
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" default:\n" +
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" console.warn('unknown request'); //$NON-NLS-0$\n" +
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" // don't respond if you don't understand the message.\n" +
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" return;\n" +
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"}\n"
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}
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];
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|
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var sourceMap = this.sourceMap || require("source-map");
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|
|
function run_test() {
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testCases.forEach(function (test) {
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console.log(test.name);
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|
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var actual = prettyFast(test.input, {
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indent: " ",
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url: "test.js"
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});
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if (actual.code !== test.output) {
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throw new Error("Expected:\n" + test.output
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+ "\nGot:\n" + actual.code);
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}
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if (test.mappings) {
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var smc = new sourceMap.SourceMapConsumer(actual.map.toJSON());
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test.mappings.forEach(function (m) {
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var query = { line: m.outputLine, column: 0 };
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var original = smc.originalPositionFor(query);
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if (original.line != m.inputLine) {
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throw new Error("Querying:\n" + JSON.stringify(query, null, 2) + "\n"
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+ "Expected line:\n" + m.inputLine + "\n"
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+ "Got:\n" + JSON.stringify(original, null, 2));
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}
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});
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}
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});
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console.log("✓ All tests pass!");
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}
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// Only run the tests if this is node and we are running this file
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// directly. (Firefox's test runner will import this test file, and then call
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// run_test itself.)
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if (typeof require == "function" && typeof module == "object"
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&& require.main === module) {
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run_test();
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}
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