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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /devtools/shared/pretty-fast/tests/unit/test.js | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'devtools/shared/pretty-fast/tests/unit/test.js')
-rw-r--r-- | devtools/shared/pretty-fast/tests/unit/test.js | 572 |
1 files changed, 572 insertions, 0 deletions
diff --git a/devtools/shared/pretty-fast/tests/unit/test.js b/devtools/shared/pretty-fast/tests/unit/test.js new file mode 100644 index 000000000..b462726a2 --- /dev/null +++ b/devtools/shared/pretty-fast/tests/unit/test.js @@ -0,0 +1,572 @@ +/* -*- Mode: js; tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2; fill-column: 80 -*- */ + +"use strict"; + +/* + * Copyright 2013 Mozilla Foundation and contributors + * Licensed under the New BSD license. See LICENSE.md or: + * http://opensource.org/licenses/BSD-2-Clause + */ +var prettyFast = this.prettyFast || require("./pretty-fast"); + +var testCases = [ + + { + name: "Simple function", + input: "function foo() { bar(); }", + output: "function foo() {\n" + + " bar();\n" + + "}\n", + mappings: [ + // function foo() { + { + inputLine: 1, + outputLine: 1 + }, + // bar(); + { + inputLine: 1, + outputLine: 2 + }, + // } + { + inputLine: 1, + outputLine: 3 + }, + ] + }, + + { + name: "Nested function", + input: "function foo() { function bar() { debugger; } bar(); }", + output: "function foo() {\n" + + " function bar() {\n" + + " debugger;\n" + + " }\n" + + " bar();\n" + + "}\n", + mappings: [ + // function bar() { + { + inputLine: 1, + outputLine: 2 + }, + // debugger; + { + inputLine: 1, + outputLine: 3 + }, + // bar(); + { + inputLine: 1, + outputLine: 5 + }, + ] + }, + + { + name: "Immediately invoked function expression", + input: "(function(){thingy()}())", + output: "(function () {\n" + + " thingy()\n" + + "}())\n" + }, + + { + name: "Single line comment", + input: "// Comment\n" + + "function foo() { bar(); }\n", + output: "// Comment\n" + + "function foo() {\n" + + " bar();\n" + + "}\n", + mappings: [ + // // Comment + { + inputLine: 1, + outputLine: 1 + } + ] + }, + + { + name: "Multi line comment", + input: "/* Comment\n" + + "more comment */\n" + + "function foo() { bar(); }\n", + output: "/* Comment\n" + + "more comment */\n" + + "function foo() {\n" + + " bar();\n" + + "}\n", + mappings: [ + // /* Comment + { + inputLine: 1, + outputLine: 1 + }, + // \nmore comment */ + { + inputLine: 1, + outputLine: 2 + } + ] + }, + + { + name: "Null assignment", + input: "var i=null;\n", + output: "var i = null;\n", + mappings: [ + { + inputLine: 1, + outputLine: 1 + } + ] + }, + + { + name: "Undefined assignment", + input: "var i=undefined;\n", + output: "var i = undefined;\n" + }, + + { + name: "Void 0 assignment", + input: "var i=void 0;\n", + output: "var i = void 0;\n" + }, + + { + name: "This property access", + input: "var foo=this.foo;\n", + output: "var foo = this.foo;\n" + }, + + { + name: "True assignment", + input: "var foo=true;\n", + output: "var foo = true;\n" + }, + + { + name: "False assignment", + input: "var foo=false;\n", + output: "var foo = false;\n" + }, + + { + name: "For loop", + input: "for (var i = 0; i < n; i++) { console.log(i); }", + output: "for (var i = 0; i < n; i++) {\n" + + " console.log(i);\n" + + "}\n", + mappings: [ + // for (var i = 0; i < n; i++) { + { + inputLine: 1, + outputLine: 1 + }, + // console.log(i); + { + inputLine: 1, + outputLine: 2 + }, + ] + }, + + { + name: "String with semicolon", + input: "var foo = ';';\n", + output: "var foo = ';';\n" + }, + + { + name: "String with quote", + input: "var foo = \"'\";\n", + output: "var foo = '\\'';\n" + }, + + { + name: "Function calls", + input: "var result=func(a,b,c,d);", + output: "var result = func(a, b, c, d);\n" + }, + + { + name: "Regexp", + input: "var r=/foobar/g;", + output: "var r = /foobar/g;\n" + }, + + { + name: "In operator", + input: "if(foo in bar){doThing()}", + output: "if (foo in bar) {\n" + + " doThing()\n" + + "}\n" + }, + + { + name: "With statement", + input: "with(obj){crock()}", + output: "with (obj) {\n" + + " crock()\n" + + "}\n" + }, + + { + name: "New expression", + input: "var foo=new Foo();", + output: "var foo = new Foo();\n" + }, + + { + name: "Continue/break statements", + input: "while(1){if(x){continue}if(y){break}if(z){break foo}}", + output: "while (1) {\n" + + " if (x) {\n" + + " continue\n" + + " }\n" + + " if (y) {\n" + + " break\n" + + " }\n" + + " if (z) {\n" + + " break foo\n" + + " }\n" + + "}\n" + }, + + { + name: "Instanceof", + input: "var a=x instanceof y;", + output: "var a = x instanceof y;\n" + }, + + { + name: "Binary operators", + input: "var a=5*30;var b=5>>3;", + output: "var a = 5 * 30;\n" + + "var b = 5 >> 3;\n" + }, + + { + name: "Delete", + input: "delete obj.prop;", + output: "delete obj.prop;\n" + }, + + { + name: "Try/catch/finally statement", + input: "try{dangerous()}catch(e){handle(e)}finally{cleanup()}", + output: "try {\n" + + " dangerous()\n" + + "} catch (e) {\n" + + " handle(e)\n" + + "} finally {\n" + + " cleanup()\n" + + "}\n" + }, + + { + name: "If/else statement", + input: "if(c){then()}else{other()}", + output: "if (c) {\n" + + " then()\n" + + "} else {\n" + + " other()\n" + + "}\n" + }, + + { + name: "If/else without curlies", + input: "if(c) a else b", + output: "if (c) a else b\n" + }, + + { + name: "Objects", + input: "var o={a:1,\n" + + " b:2};", + output: "var o = {\n" + + " a: 1,\n" + + " b: 2\n" + + "};\n", + mappings: [ + // a: 1, + { + inputLine: 1, + outputLine: 2 + }, + // b: 2 + { + inputLine: 2, + outputLine: 3 + }, + ] + }, + + { + name: "Do/while loop", + input: "do{x}while(y)", + output: "do {\n" + + " x\n" + + "} while (y)\n" + }, + + { + name: "Arrays", + input: "var a=[1,2,3];", + output: "var a = [\n" + + " 1,\n" + + " 2,\n" + + " 3\n" + + "];\n" + }, + + { + name: "Code that relies on ASI", + input: "var foo = 10\n" + + "var bar = 20\n" + + "function g() {\n" + + " a()\n" + + " b()\n" + + "}", + output: "var foo = 10\n" + + "var bar = 20\n" + + "function g() {\n" + + " a()\n" + + " b()\n" + + "}\n" + }, + + { + name: "Ternary operator", + input: "bar?baz:bang;", + output: "bar ? baz : bang;\n" + }, + + { + name: "Switch statements", + input: "switch(x){case a:foo();break;default:bar()}", + output: "switch (x) {\n" + + " case a:\n" + + " foo();\n" + + " break;\n" + + " default:\n" + + " bar()\n" + + "}\n" + }, + + { + name: "Multiple single line comments", + input: "function f() {\n" + + " // a\n" + + " // b\n" + + " // c\n" + + "}\n", + output: "function f() {\n" + + " // a\n" + + " // b\n" + + " // c\n" + + "}\n", + }, + + { + name: "Indented multiline comment", + input: "function foo() {\n" + + " /**\n" + + " * java doc style comment\n" + + " * more comment\n" + + " */\n" + + " bar();\n" + + "}\n", + output: "function foo() {\n" + + " /**\n" + + " * java doc style comment\n" + + " * more comment\n" + + " */\n" + + " bar();\n" + + "}\n", + }, + + { + name: "ASI return", + input: "function f() {\n" + + " return\n" + + " {}\n" + + "}\n", + output: "function f() {\n" + + " return\n" + + " {\n" + + " }\n" + + "}\n", + }, + + { + name: "Non-ASI property access", + input: "[1,2,3]\n" + + "[0]", + output: "[\n" + + " 1,\n" + + " 2,\n" + + " 3\n" + + "]\n" + + "[0]\n" + }, + + { + name: "Non-ASI in", + input: "'x'\n" + + "in foo", + output: "'x' in foo\n" + }, + + { + name: "Non-ASI function call", + input: "f\n" + + "()", + output: "f()\n" + }, + + { + name: "Non-ASI new", + input: "new\n" + + "F()", + output: "new F()\n" + }, + + { + name: "Getter and setter literals", + input: "var obj={get foo(){return this._foo},set foo(v){this._foo=v}}", + output: "var obj = {\n" + + " get foo() {\n" + + " return this._foo\n" + + " },\n" + + " set foo(v) {\n" + + " this._foo = v\n" + + " }\n" + + "}\n" + }, + + { + name: "Escaping backslashes in strings", + input: "'\\\\'\n", + output: "'\\\\'\n" + }, + + { + name: "Escaping carriage return in strings", + input: "'\\r'\n", + output: "'\\r'\n" + }, + + { + name: "Escaping tab in strings", + input: "'\\t'\n", + output: "'\\t'\n" + }, + + { + name: "Escaping vertical tab in strings", + input: "'\\v'\n", + output: "'\\v'\n" + }, + + { + name: "Escaping form feed in strings", + input: "'\\f'\n", + output: "'\\f'\n" + }, + + { + name: "Escaping null character in strings", + input: "'\\0'\n", + output: "'\\0'\n" + }, + + { + name: "Bug 977082 - space between grouping operator and dot notation", + input: "JSON.stringify(3).length;\n" + + "([1,2,3]).length;\n" + + "(new Date()).toLocaleString();\n", + output: "JSON.stringify(3).length;\n" + + "([1,\n" + + "2,\n" + + "3]).length;\n" + + "(new Date()).toLocaleString();\n" + }, + + { + name: "Bug 975477 don't move end of line comments to next line", + input: "switch (request.action) {\n" + + " case 'show': //$NON-NLS-0$\n" + + " if (localStorage.hideicon !== 'true') { //$NON-NLS-0$\n" + + " chrome.pageAction.show(sender.tab.id);\n" + + " }\n" + + " break;\n" + + " case 'hide': /*Multiline\n" + + " Comment */" + + " break;\n" + + " default:\n" + + " console.warn('unknown request'); //$NON-NLS-0$\n" + + " // don't respond if you don't understand the message.\n" + + " return;\n" + + "}\n", + output: "switch (request.action) {\n" + + " case 'show': //$NON-NLS-0$\n" + + " if (localStorage.hideicon !== 'true') { //$NON-NLS-0$\n" + + " chrome.pageAction.show(sender.tab.id);\n" + + " }\n" + + " break;\n" + + " case 'hide': /*Multiline\n" + + " Comment */\n" + + " break;\n" + + " default:\n" + + " console.warn('unknown request'); //$NON-NLS-0$\n" + + " // don't respond if you don't understand the message.\n" + + " return;\n" + + "}\n" + } + +]; + +var sourceMap = this.sourceMap || require("source-map"); + +function run_test() { + testCases.forEach(function (test) { + console.log(test.name); + + var actual = prettyFast(test.input, { + indent: " ", + url: "test.js" + }); + + if (actual.code !== test.output) { + throw new Error("Expected:\n" + test.output + + "\nGot:\n" + actual.code); + } + + if (test.mappings) { + var smc = new sourceMap.SourceMapConsumer(actual.map.toJSON()); + test.mappings.forEach(function (m) { + var query = { line: m.outputLine, column: 0 }; + var original = smc.originalPositionFor(query); + if (original.line != m.inputLine) { + throw new Error("Querying:\n" + JSON.stringify(query, null, 2) + "\n" + + "Expected line:\n" + m.inputLine + "\n" + + "Got:\n" + JSON.stringify(original, null, 2)); + } + }); + } + }); + console.log("✓ All tests pass!"); +} + +// Only run the tests if this is node and we are running this file +// directly. (Firefox's test runner will import this test file, and then call +// run_test itself.) +if (typeof require == "function" && typeof module == "object" + && require.main === module) { + run_test(); +} |