TEST_F(FormatTestJS, MultipleFunctionLiterals) {
verifyFormat("promise.then(\n"
" function success() {\n"
" doFoo();\n"
" doBar();\n"
" },\n"
" function error() {\n"
" doFoo();\n"
" doBaz();\n"
" },\n"
" []);\n");
verifyFormat("promise.then(\n"
" function success() {\n"
" doFoo();\n"
" doBar();\n"
" },\n"
" [],\n"
" function error() {\n"
" doFoo();\n"
" doBaz();\n"
" });\n");
// FIXME: Here, we should probably break right after the "(" for consistency.
verifyFormat("promise.then([],\n"
" function success() {\n"
" doFoo();\n"
" doBar();\n"
" },\n"
" function error() {\n"
" doFoo();\n"
" doBaz();\n"
" });\n");
verifyFormat("getSomeLongPromise()\n"
" .then(function(value) { body(); })\n"
" .thenCatch(function(error) {\n"
" body();\n"
" body();\n"
" });");
verifyFormat("getSomeLongPromise()\n"
" .then(function(value) {\n"
" body();\n"
" body();\n"
" })\n"
" .thenCatch(function(error) {\n"
" body();\n"
" body();\n"
" });");
verifyFormat("getSomeLongPromise()\n"
" .then(function(value) { body(); })\n"
" .thenCatch(function(error) { body(); });");
}
TEST_F(FormatTestJS, ArrayLiterals) {
verifyFormat("var aaaaa: List<SomeThing> =\n"
" [new SomeThingAAAAAAAAAAAA(), new SomeThingBBBBBBBBB()];");
verifyFormat("return [\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
" ccccccccccccccccccccccccccc\n"
"];");
verifyFormat("return [\n"
" aaaa().bbbbbbbb('A'),\n"
" aaaa().bbbbbbbb('B'),\n"
" aaaa().bbbbbbbb('C'),\n"
"];");
verifyFormat("var someVariable = SomeFunction([\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
" ccccccccccccccccccccccccccc\n"
"]);");
verifyFormat("var someVariable = SomeFunction([\n"
" [aaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbb],\n"
"]);",
getGoogleJSStyleWithColumns(51));
verifyFormat("var someVariable = SomeFunction(aaaa, [\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
" ccccccccccccccccccccccccccc\n"
"]);");
verifyFormat("var someVariable = SomeFunction(\n"
" aaaa,\n"
" [\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaa, bbbbbbbbbbbbbbbbbbbbbbbbbb,\n"
" cccccccccccccccccccccccccc\n"
" ],\n"
" aaaa);");
verifyFormat("var aaaa = aaaaa || // wrap\n"
" [];");
verifyFormat("someFunction([], {a: a});");
}
TEST_F(FormatTestProto, MessageFieldAttributes) {
verifyFormat("optional string test = 1 [default = \"test\"];");
verifyFormat("optional bool a = 1 [default = true, deprecated = true];");
verifyFormat("optional LongMessageType long_proto_field = 1\n"
" [default = REALLY_REALLY_LONG_CONSTANT_VALUE,\n"
" deprecated = true];");
verifyFormat("optional LongMessageType long_proto_field = 1\n"
" [default = REALLY_REALLY_LONG_CONSTANT_VALUE];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaaa: AAAAAAAA}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
" bbbbbbbbbbbbbbbb: BBBBBBBBBB}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA\n"
" bbbbbbbbbbbbbbbb: BBBBBBBBBB}];");
verifyFormat("repeated double value = 1\n"
" [(aaaaaaa.aaaaaaaaa) = {aaaaaaaaaaaaaaaa: AAAAAAAAAA,\n"
" bbbbbbb: BBBB,\n"
" bbbb: BBB}];");
}
TEST_F(FormatTestJS, Closures) {
verifyFormat("doFoo(function() { return 1; });");
verifyFormat("var func = function() { return 1; };");
verifyFormat("return {\n"
" body: {\n"
" setAttribute: function(key, val) { this[key] = val; },\n"
" getAttribute: function(key) { return this[key]; },\n"
" style: {direction: ''}\n"
" }\n"
"};");
EXPECT_EQ("abc = xyz ? function() { return 1; } : function() { return -1; };",
format("abc=xyz?function(){return 1;}:function(){return -1;};"));
verifyFormat("var closure = goog.bind(\n"
" function() { // comment\n"
" foo();\n"
" bar();\n"
" },\n"
" this, arg1IsReallyLongAndNeeedsLineBreaks,\n"
" arg3IsReallyLongAndNeeedsLineBreaks);");
verifyFormat("var closure = goog.bind(function() { // comment\n"
" foo();\n"
" bar();\n"
"}, this);");
verifyFormat("return {\n"
" a: 'E',\n"
" b: function() {\n"
" return function() {\n"
" f(); //\n"
" };\n"
" }\n"
"};");
verifyFormat("var x = {a: function() { return 1; }};",
getGoogleJSStyleWithColumns(38));
verifyFormat("var x = {\n"
" a: function() { return 1; }\n"
"};",
getGoogleJSStyleWithColumns(37));
}
TEST_F(FormatTestJS, ReservedWords) {
// JavaScript reserved words (aka keywords) are only illegal when used as
// Identifiers, but are legal as IdentifierNames.
verifyFormat("x.class.struct = 1;");
verifyFormat("x.case = 1;");
verifyFormat("x.interface = 1;");
verifyFormat("x = {\n"
" a: 12,\n"
" interface: 1,\n"
" switch: 1,\n"
"};");
verifyFormat("var struct = 2;");
verifyFormat("var union = 2;");
}
TEST_F(FormatTestJS, MetadataAnnotations) {
verifyFormat("@A\nclass C {\n}");
verifyFormat("@A({arg: 'value'})\nclass C {\n}");
verifyFormat("@A\n@B\nclass C {\n}");
verifyFormat("class C {\n @A x: string;\n}");
verifyFormat("class C {\n"
" @A\n"
" private x(): string {\n"
" return 'y';\n"
" }\n"
"}");
verifyFormat("class X {}\n"
"class Y {}");
}
TEST_F(FormatTestJS, GoogModules) {
verifyFormat("goog.module('this.is.really.absurdly.long');",
getGoogleJSStyleWithColumns(40));
verifyFormat("goog.require('this.is.really.absurdly.long');",
getGoogleJSStyleWithColumns(40));
verifyFormat("goog.provide('this.is.really.absurdly.long');",
getGoogleJSStyleWithColumns(40));
verifyFormat("var long = goog.require('this.is.really.absurdly.long');",
getGoogleJSStyleWithColumns(40));
verifyFormat("goog.setTestOnly('this.is.really.absurdly.long');",
getGoogleJSStyleWithColumns(40));
// These should be wrapped normally.
verifyFormat(
"var MyLongClassName =\n"
" goog.module.get('my.long.module.name.followedBy.MyLongClassName');");
}
TEST_F(FormatTest, IncorrectAccessSpecifier) {
verifyFormat("public:");
verifyFormat("class A {\n"
"public\n"
" void f() {\n"
" }\n"
"};");
verifyFormat("public\n"
"int qwerty;");
verifyFormat("public\n"
"B {\n"
"};");
verifyFormat("public\n"
"{\n"
"};");
verifyFormat("public\n"
"B {\n"
" int x;\n"
"};");
}
TEST_F(FormatTestJS, ContainerLiterals) {
verifyFormat("return {\n"
" link: function() {\n"
" f(); //\n"
" }\n"
"};");
verifyFormat("return {\n"
" a: a,\n"
" link: function() {\n"
" f(); //\n"
" }\n"
"};");
verifyFormat("return {\n"
" a: a,\n"
" link: function() {\n"
" f(); //\n"
" },\n"
" link: function() {\n"
" f(); //\n"
" }\n"
"};");
verifyFormat("var stuff = {\n"
" // comment for update\n"
" update: false,\n"
" // comment for modules\n"
" modules: false,\n"
" // comment for tasks\n"
" tasks: false\n"
"};");
verifyFormat("return {\n"
" 'finish':\n"
" //\n"
" a\n"
"};");
verifyFormat("var obj = {\n"
" fooooooooo: function(x) {\n"
" return x.zIsTooLongForOneLineWithTheDeclarationLine();\n"
" }\n"
"};");
}
TEST_F(FormatTestJS, RegexLiteralClassification) {
// Regex literals.
verifyFormat("var regex = /abc/;");
verifyFormat("f(/abc/);");
verifyFormat("f(abc, /abc/);");
verifyFormat("some_map[/abc/];");
verifyFormat("var x = a ? /abc/ : /abc/;");
verifyFormat("for (var i = 0; /abc/.test(s[i]); i++) {\n}");
verifyFormat("var x = !/abc/.test(y);");
verifyFormat("var x = a && /abc/.test(y);");
verifyFormat("var x = a || /abc/.test(y);");
verifyFormat("var x = a + /abc/.search(y);");
verifyFormat("var regexs = {/abc/, /abc/};");
verifyFormat("return /abc/;");
// Not regex literals.
verifyFormat("var a = a / 2 + b / 3;");
}
TEST_F(FormatTestJS, ClosureStyleComments) {
verifyFormat("var x = /** @type {foo} */ (bar);");
}
TEST_F(FormatTestJS, ReturnStatements) {
verifyFormat("function() { return [hello, world]; }");
}
TEST_F(FormatTestJS, CastSyntax) { verifyFormat("var x = <type>foo;"); }
TEST_F(FormatTestJS, LiteralOperatorsCanBeKeywords) {
verifyFormat("not.and.or.not_eq = 1;");
}
TEST_F(FormatTestJS, SingleQuoteStrings) {
verifyFormat("this.function('', true);");
}
TEST_F(FormatTestJS, RegexLiteralSpecialCharacters) {
verifyFormat("var regex = /a*/;");
verifyFormat("var regex = /a+/;");
verifyFormat("var regex = /a?/;");
verifyFormat("var regex = /.a./;");
verifyFormat("var regex = /a\\*/;");
verifyFormat("var regex = /^a$/;");
verifyFormat("var regex = /\\/a/;");
verifyFormat("var regex = /(?:x)/;");
verifyFormat("var regex = /x(?=y)/;");
verifyFormat("var regex = /x(?!y)/;");
verifyFormat("var regex = /x|y/;");
verifyFormat("var regex = /a{2}/;");
verifyFormat("var regex = /a{1,3}/;");
verifyFormat("var regex = /[abc]/;");
verifyFormat("var regex = /[^abc]/;");
verifyFormat("var regex = /[\\b]/;");
verifyFormat("var regex = /\\b/;");
verifyFormat("var regex = /\\B/;");
verifyFormat("var regex = /\\d/;");
verifyFormat("var regex = /\\D/;");
verifyFormat("var regex = /\\f/;");
verifyFormat("var regex = /\\n/;");
verifyFormat("var regex = /\\r/;");
verifyFormat("var regex = /\\s/;");
verifyFormat("var regex = /\\S/;");
verifyFormat("var regex = /\\t/;");
verifyFormat("var regex = /\\v/;");
verifyFormat("var regex = /\\w/;");
verifyFormat("var regex = /\\W/;");
verifyFormat("var regex = /a(a)\\1/;");
verifyFormat("var regex = /\\0/;");
verifyFormat("var regex = /\\\\/g;");
verifyFormat("var regex = /\\a\\\\/g;");
verifyFormat("var regex = /\a\\//g;");
}
TEST_F(FormatTestJS, RegexLiteralExamples) {
verifyFormat("var regex = search.match(/(?:\?|&)times=([^?&]+)/i);");
}
TEST_F(FormatTestJS, TypeAnnotations) {
verifyFormat("var x: string;");
verifyFormat("var x: {a: string; b: number;} = {};");
verifyFormat("function x(): string {\n return 'x';\n}");
verifyFormat("function x(): {x: string} {\n return {x: 'x'};\n}");
verifyFormat("function x(y: string): string {\n return 'x';\n}");
verifyFormat("for (var y: string in x) {\n x();\n}");
verifyFormat("function x(y: {a?: number;} = {}): number {\n"
" return 12;\n"
"}");
verifyFormat("((a: string, b: number): string => a + b);");
verifyFormat("var x: (y: number) => string;");
verifyFormat("var x: P<string, (a: number) => string>;");
verifyFormat("var x = {y: function(): z { return 1; }};");
verifyFormat("var x = {y: function(): {a: number} { return 1; }};");
verifyFormat("function someFunc(args: string[]):\n"
" {longReturnValue: string[]} {}",
getGoogleJSStyleWithColumns(60));
}
TEST_F(FormatTestJS, ClassDeclarations) {
verifyFormat("class C {\n x: string = 12;\n}");
verifyFormat("class C {\n x(): string => 12;\n}");
verifyFormat("class C {\n ['x' + 2]: string = 12;\n}");
verifyFormat("class C {\n private x: string = 12;\n}");
verifyFormat("class C {\n private static x: string = 12;\n}");
verifyFormat("class C {\n static x(): string { return 'asd'; }\n}");
verifyFormat("class C extends P implements I {}");
verifyFormat("class C extends p.P implements i.I {}");
verifyFormat("class Test {\n"
" aaaaaaaaaaaaaaaa(aaaaaaaaaaaaaaa: aaaaaaaaaaaaaaaaaaaa):\n"
" aaaaaaaaaaaaaaaaaaaaaa {}\n"
"}");
verifyFormat("foo = class Name {\n"
" constructor() {}\n"
"};");
verifyFormat("foo = class {\n"
" constructor() {}\n"
"};");
verifyFormat("class C {\n"
" x: {y: Z;} = {};\n"
" private y: {y: Z;} = {};\n"
"}");
// ':' is not a type declaration here.
verifyFormat("class X {\n"
" subs = {\n"
" 'b': {\n"
" 'c': 1,\n"
" },\n"
" };\n"
"}");
}
TEST_F(FormatTestJS, RegexLiteralSpecialCharacters) {
verifyFormat("var regex = /=/;");
verifyFormat("var regex = /a*/;");
verifyFormat("var regex = /a+/;");
verifyFormat("var regex = /a?/;");
verifyFormat("var regex = /.a./;");
verifyFormat("var regex = /a\\*/;");
verifyFormat("var regex = /^a$/;");
verifyFormat("var regex = /\\/a/;");
verifyFormat("var regex = /(?:x)/;");
verifyFormat("var regex = /x(?=y)/;");
verifyFormat("var regex = /x(?!y)/;");
verifyFormat("var regex = /x|y/;");
verifyFormat("var regex = /a{2}/;");
verifyFormat("var regex = /a{1,3}/;");
verifyFormat("var regex = /[abc]/;");
verifyFormat("var regex = /[^abc]/;");
verifyFormat("var regex = /[\\b]/;");
verifyFormat("var regex = /[/]/;");
verifyFormat("var regex = /[\\/]/;");
verifyFormat("var regex = /\\[/;");
verifyFormat("var regex = /\\\\[/]/;");
verifyFormat("var regex = /}[\"]/;");
verifyFormat("var regex = /}[/\"]/;");
verifyFormat("var regex = /}[\"/]/;");
verifyFormat("var regex = /\\b/;");
verifyFormat("var regex = /\\B/;");
verifyFormat("var regex = /\\d/;");
verifyFormat("var regex = /\\D/;");
verifyFormat("var regex = /\\f/;");
verifyFormat("var regex = /\\n/;");
verifyFormat("var regex = /\\r/;");
verifyFormat("var regex = /\\s/;");
verifyFormat("var regex = /\\S/;");
verifyFormat("var regex = /\\t/;");
verifyFormat("var regex = /\\v/;");
verifyFormat("var regex = /\\w/;");
verifyFormat("var regex = /\\W/;");
verifyFormat("var regex = /a(a)\\1/;");
verifyFormat("var regex = /\\0/;");
verifyFormat("var regex = /\\\\/g;");
verifyFormat("var regex = /\\a\\\\/g;");
verifyFormat("var regex = /\a\\//g;");
verifyFormat("var regex = /a\\//;\n"
"var x = 0;");
EXPECT_EQ("var regex = /'/g;", format("var regex = /'/g ;"));
EXPECT_EQ("var regex = /'/g; //'", format("var regex = /'/g ; //'"));
EXPECT_EQ("var regex = /\\/*/;\n"
"var x = 0;",
format("var regex = /\\/*/;\n"
"var x=0;"));
EXPECT_EQ("var x = /a\\//;", format("var x = /a\\// \n;"));
verifyFormat("var regex = /\"/;", getGoogleJSStyleWithColumns(16));
verifyFormat("var regex =\n"
" /\"/;",
getGoogleJSStyleWithColumns(15));
verifyFormat("var regex = //\n"
" /a/;");
verifyFormat("var regexs = [\n"
" /d/, //\n"
" /aa/, //\n"
"];");
}
TEST_F(FormatTestJS, RegexLiteralClassification) {
// Regex literals.
verifyFormat("var regex = /abc/;");
verifyFormat("f(/abc/);");
verifyFormat("f(abc, /abc/);");
verifyFormat("some_map[/abc/];");
verifyFormat("var x = a ? /abc/ : /abc/;");
verifyFormat("for (var i = 0; /abc/.test(s[i]); i++) {\n}");
verifyFormat("var x = !/abc/.test(y);");
verifyFormat("var x = a && /abc/.test(y);");
verifyFormat("var x = a || /abc/.test(y);");
verifyFormat("var x = a + /abc/.search(y);");
verifyFormat("/abc/.search(y);");
verifyFormat("var regexs = {/abc/, /abc/};");
verifyFormat("return /abc/;");
// Not regex literals.
verifyFormat("var a = a / 2 + b / 3;");
verifyFormat("var a = a++ / 2;");
// Prefix unary can operate on regex literals, not that it makes sense.
verifyFormat("var a = ++/a/;");
// This is a known issue, regular expressions are incorrectly detected if
// directly following a closing parenthesis.
verifyFormat("if (foo) / bar /.exec(baz);");
}
TEST_F(FormatTestJS, StringLiteralConcatenation) {
verifyFormat("var literal = 'hello ' +\n"
" 'world';");
}
TEST_F(FormatTestJS, ForLoops) {
verifyFormat("for (var i in [2, 3]) {\n"
"}");
}
TEST_F(FormatTestJS, UnderstandsJavaScriptOperators) {
verifyFormat("a == = b;");
verifyFormat("a != = b;");
verifyFormat("a === b;");
verifyFormat("aaaaaaa ===\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("a !== b;");
verifyFormat("aaaaaaa !==\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("if (a + b + c +\n"
" d !==\n"
" e + f + g)\n"
" q();",
getGoogleJSStyleWithColumns(20));
verifyFormat("a >> >= b;");
verifyFormat("a >>> b;");
verifyFormat("aaaaaaa >>>\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("a >>>= b;");
verifyFormat("aaaaaaa >>>=\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("if (a + b + c +\n"
" d >>>\n"
" e + f + g)\n"
" q();",
getGoogleJSStyleWithColumns(20));
verifyFormat("var x = aaaaaaaaaa ?\n"
" bbbbbb :\n"
" ccc;",
getGoogleJSStyleWithColumns(20));
verifyFormat("var b = a.map((x) => x + 1);");
verifyFormat("return ('aaa') in bbbb;");
// ES6 spread operator.
verifyFormat("someFunction(...a);");
verifyFormat("var x = [1, ...a, 2];");
}
TEST_F(FormatTestJS, RegexLiteralModifiers) {
verifyFormat("var regex = /abc/g;");
verifyFormat("var regex = /abc/i;");
verifyFormat("var regex = /abc/m;");
verifyFormat("var regex = /abc/y;");
}
TEST_F(FormatTestJS, Modules) {
verifyFormat("import SomeThing from 'some/module.js';");
verifyFormat("import {X, Y} from 'some/module.js';");
verifyFormat("import a, {X, Y} from 'some/module.js';");
verifyFormat("import {\n"
" VeryLongImportsAreAnnoying,\n"
" VeryLongImportsAreAnnoying,\n"
" VeryLongImportsAreAnnoying,\n"
" VeryLongImportsAreAnnoying\n"
"} from 'some/module.js';");
verifyFormat("import {\n"
" X,\n"
" Y,\n"
"} from 'some/module.js';");
verifyFormat("import {\n"
" X,\n"
" Y,\n"
"} from 'some/long/module.js';",
getGoogleJSStyleWithColumns(20));
verifyFormat("import {X as myLocalX, Y as myLocalY} from 'some/module.js';");
verifyFormat("import * as lib from 'some/module.js';");
verifyFormat("var x = {import: 1};\nx.import = 2;");
verifyFormat("export function fn() {\n"
" return 'fn';\n"
"}");
verifyFormat("export function A() {}\n"
"export default function B() {}\n"
"export function C() {}");
verifyFormat("export const x = 12;");
verifyFormat("export default class X {}");
verifyFormat("export {X, Y} from 'some/module.js';");
verifyFormat("export {\n"
" X,\n"
" Y,\n"
"} from 'some/module.js';");
verifyFormat("export class C {\n"
" x: number;\n"
" y: string;\n"
"}");
verifyFormat("export class X { y: number; }");
verifyFormat("export abstract class X { y: number; }");
verifyFormat("export default class X { y: number }");
verifyFormat("export default function() {\n return 1;\n}");
verifyFormat("export var x = 12;");
verifyFormat("class C {}\n"
"export function f() {}\n"
"var v;");
verifyFormat("export var x: number = 12;");
verifyFormat("export const y = {\n"
" a: 1,\n"
" b: 2\n"
"};");
verifyFormat("export enum Foo {\n"
" BAR,\n"
" // adsdasd\n"
" BAZ\n"
"}");
verifyFormat("export default [\n"
" aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa,\n"
" bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb\n"
"];");
verifyFormat("export default [];");
verifyFormat("export default () => {};");
verifyFormat("export interface Foo { foo: number; }\n"
"export class Bar {\n"
" blah(): string { return this.blah; };\n"
"}");
}
TEST_F(FormatTestJS, UnderstandsJavaScriptOperators) {
verifyFormat("a == = b;");
verifyFormat("a != = b;");
verifyFormat("a === b;");
verifyFormat("aaaaaaa ===\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("a !== b;");
verifyFormat("aaaaaaa !==\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("if (a + b + c +\n"
" d !==\n"
" e + f + g)\n"
" q();",
getGoogleJSStyleWithColumns(20));
verifyFormat("a >> >= b;");
verifyFormat("a >>> b;");
verifyFormat("aaaaaaa >>>\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("a >>>= b;");
verifyFormat("aaaaaaa >>>=\n b;", getGoogleJSStyleWithColumns(10));
verifyFormat("if (a + b + c +\n"
" d >>>\n"
" e + f + g)\n"
" q();",
getGoogleJSStyleWithColumns(20));
verifyFormat("var x = aaaaaaaaaa ?\n"
" bbbbbb :\n"
" ccc;",
getGoogleJSStyleWithColumns(20));
}
TEST_F(FormatTestJS, TemplateStrings) {
// Keeps any whitespace/indentation within the template string.
EXPECT_EQ("var x = `hello\n"
" ${ name }\n"
" !`;",
format("var x = `hello\n"
" ${ name }\n"
" !`;"));
verifyFormat("var x =\n"
" `hello ${world}` >= some();",
getGoogleJSStyleWithColumns(34)); // Barely doesn't fit.
verifyFormat("var x = `hello ${world}` >= some();",
getGoogleJSStyleWithColumns(35)); // Barely fits.
EXPECT_EQ("var x = `hello\n"
" ${world}` >=\n"
" some();",
format("var x =\n"
" `hello\n"
" ${world}` >= some();",
getGoogleJSStyleWithColumns(21))); // Barely doesn't fit.
EXPECT_EQ("var x = `hello\n"
" ${world}` >= some();",
format("var x =\n"
" `hello\n"
" ${world}` >= some();",
getGoogleJSStyleWithColumns(22))); // Barely fits.
verifyFormat("var x =\n"
" `h`;",
getGoogleJSStyleWithColumns(11));
EXPECT_EQ(
"var x =\n `multi\n line`;",
format("var x = `multi\n line`;", getGoogleJSStyleWithColumns(13)));
verifyFormat("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa(\n"
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`);");
// Make sure template strings get a proper ColumnWidth assigned, even if they
// are first token in line.
verifyFormat(
"var a = aaaaaaaaaaaaaaaaaaaaaaaaaaaa ||\n"
" `aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa`;");
// Two template strings.
verifyFormat("var x = `hello` == `hello`;");
// Comments in template strings.
EXPECT_EQ("var x = `//a`;\n"
"var y;",
format("var x =\n `//a`;\n"
"var y ;"));
EXPECT_EQ("var x = `/*a`;\n"
"var y;",
format("var x =\n `/*a`;\n"
"var y;"));
// Unterminated string literals in a template string.
verifyFormat("var x = `'`; // comment with matching quote '\n"
"var y;");
verifyFormat("var x = `\"`; // comment with matching quote \"\n"
"var y;");
EXPECT_EQ("it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa);",
format("it(`'aaaaaaaaaaaaaaa `, aaaaaaaaa) ;",
getGoogleJSStyleWithColumns(40)));
// Backticks in a comment - not a template string.
EXPECT_EQ("var x = 1 // `/*a`;\n"
" ;",
format("var x =\n 1 // `/*a`;\n"
" ;"));
EXPECT_EQ("/* ` */ var x = 1; /* ` */",
format("/* ` */ var x\n= 1; /* ` */"));
// Comment spans multiple template strings.
EXPECT_EQ("var x = `/*a`;\n"
"var y = ` */ `;",
format("var x =\n `/*a`;\n"
"var y =\n ` */ `;"));
// Escaped backtick.
EXPECT_EQ("var x = ` \\` a`;\n"
"var y;",
format("var x = ` \\` a`;\n"
"var y;"));
}
TEST_F(FormatTestJS, GoogScopes) {
verifyFormat("goog.scope(function() {\n"
"var x = a.b;\n"
"var y = c.d;\n"
"}); // goog.scope");
}
TEST_F(FormatTestJS, UnderstandsAmpAmp) {
verifyFormat("e && e.SomeFunction();");
}