Add m-esr52 at 52.6.0

1 files changed, 1356 insertions, 0 deletions

diff --git a/js/src/jit-test/lib/syntax.js b/js/src/jit-test/lib/syntax.js
new file mode 100644
index 000000000..9b7a94d18
--- /dev/null
+++ b/js/src/jit-test/lib/syntax.js
@@ -0,0 +1,1356 @@
+function test_syntax(postfixes, check_error, ignore_opts) {
+  function test_reflect(code, module) {
+    var options = undefined;
+    if (module) {
+      options = {target: "module"};
+    }
+    for (var postfix of postfixes) {
+      var cur_code = code + postfix;
+
+      var caught = false;
+      try {
+        Reflect.parse(cur_code, options);
+      } catch (e) {
+        caught = true;
+        check_error(e, cur_code, "reflect");
+      }
+      assertEq(caught, true);
+    }
+  }
+
+  function test_eval(code) {
+    for (var postfix of postfixes) {
+      var cur_code = code + postfix;
+
+      var caught = false;
+      try {
+        eval(cur_code);
+      } catch (e) {
+        caught = true;
+        check_error(e, cur_code, "eval");
+      }
+      assertEq(caught, true);
+    }
+  }
+
+  function test(code, opts={}) {
+    if (ignore_opts) {
+      opts = {};
+    }
+
+    let no_strict = "no_strict" in opts && opts.no_strict;
+    let no_fun = "no_fun" in opts && opts.no_fun;
+    let no_eval = "no_eval" in opts && opts.no_eval;
+    let module = "module" in opts && opts.module;
+
+    test_reflect(code, module);
+    if (!no_strict) {
+      test_reflect("'use strict'; " + code, module);
+    }
+    if (!no_fun) {
+      test_reflect("(function() { " + code, module);
+      if (!no_strict) {
+        test_reflect("(function() { 'use strict'; " + code, module);
+      }
+    }
+
+    if (!no_eval) {
+      test_eval(code);
+      if (!no_strict) {
+        test_eval("'use strict'; " + code);
+      }
+      if (!no_fun) {
+        test_eval("(function() { " + code);
+        if (!no_strict) {
+          test_eval("(function() { 'use strict'; " + code);
+        }
+      }
+    }
+  }
+
+  function test_fun_arg(arg) {
+    for (var postfix of postfixes) {
+      var cur_arg = arg + postfix;
+
+      var caught = false;
+      try {
+        new Function(cur_arg, "");
+      } catch (e) {
+        caught = true;
+        check_error(e, cur_arg, "fun_arg");
+      }
+      assertEq(caught, true);
+    }
+  }
+
+  // ==== Statements and declarations ====
+
+  // ---- Control flow ----
+
+  // Block
+
+  test("{ ");
+  test("{ } ");
+
+  test("{ 1 ");
+  test("{ 1; ");
+  test("{ 1; } ");
+
+  // break
+
+  test("a: for (;;) { break ");
+  test("a: for (;;) { break; ");
+  test("a: for (;;) { break a ");
+  test("a: for (;;) { break a; ");
+
+  test("a: for (;;) { break\n");
+
+  // continue
+
+  test("a: for (;;) { continue ");
+  test("a: for (;;) { continue; ");
+  test("a: for (;;) { continue a ");
+  test("a: for (;;) { continue a; ");
+
+  test("a: for (;;) { continue\n");
+
+  // Empty
+
+  test("");
+  test("; ");
+
+  // if...else
+
+  test("if ");
+  test("if (");
+  test("if (x ");
+  test("if (x) ");
+  test("if (x) { ");
+  test("if (x) {} ");
+  test("if (x) {} else ");
+  test("if (x) {} else { ");
+  test("if (x) {} else {} ");
+  test("if (x) x ");
+  test("if (x) x; ");
+  test("if (x) x; else ");
+  test("if (x) x; else y ");
+  test("if (x) x; else y; ");
+
+  // switch
+
+  test("switch ");
+  test("switch (");
+  test("switch (x ");
+  test("switch (x) ");
+  test("switch (x) { ");
+  test("switch (x) { case ");
+  test("switch (x) { case 1 ");
+  test("switch (x) { case 1: ");
+  test("switch (x) { case 1: case ");
+  test("switch (x) { case 1: case 2 ");
+  test("switch (x) { case 1: case 2: ");
+  test("switch (x) { case 1: case 2: x ");
+  test("switch (x) { case 1: case 2: x; ");
+  test("switch (x) { case 1: case 2: x; break ");
+  test("switch (x) { case 1: case 2: x; break; ");
+  test("switch (x) { case 1: case 2: x; break; case ");
+  test("switch (x) { case 1: case 2: x; break; case 3 ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; default ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; default: ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; default: z ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; default: z; ");
+  test("switch (x) { case 1: case 2: x; break; case 3: y; default: z; } ");
+
+  // throw
+
+  test("throw ");
+  test("throw x ");
+  test("throw x; ");
+
+  // try...catch
+
+  test("try ");
+  test("try { ");
+  test("try {} ");
+  test("try {} catch ");
+  test("try {} catch ( ");
+  test("try {} catch (e ");
+  test("try {} catch (e) ");
+  test("try {} catch (e) { ");
+  test("try {} catch (e) {} ");
+  test("try {} catch (e) {} finally ");
+  test("try {} catch (e) {} finally { ");
+  test("try {} catch (e) {} finally {} ");
+
+  test("try {} catch (e if ");
+  test("try {} catch (e if e  ");
+  test("try {} catch (e if e instanceof ");
+  test("try {} catch (e if e instanceof x ");
+  test("try {} catch (e if e instanceof x) ");
+  test("try {} catch (e if e instanceof x) { ");
+  test("try {} catch (e if e instanceof x) {} ");
+
+  // ---- Declarations ----
+
+  // var
+
+  test("var ");
+  test("var x ");
+  test("var x = ");
+  test("var x = 1 ");
+  test("var x = 1 + ");
+  test("var x = 1 + 2 ");
+  test("var x = 1 + 2, ");
+  test("var x = 1 + 2, y ");
+  test("var x = 1 + 2, y, ");
+  test("var x = 1 + 2, y, z ");
+  test("var x = 1 + 2, y, z; ");
+
+  test("var [ ");
+  test("var [ x ");
+  test("var [ x, ");
+  test("var [ x, ... ");
+  test("var { ");
+  test("var { x ");
+  test("var { x: ");
+  test("var { x: y ");
+  test("var { x: y, ");
+  test("var { x: y } ");
+  test("var { x: y } = ");
+
+  // let
+
+  test("let ");
+  test("let x ");
+  test("let x = ");
+  test("let x = 1 ");
+  test("let x = 1 + ");
+  test("let x = 1 + 2 ");
+  test("let x = 1 + 2, ");
+  test("let x = 1 + 2, y ");
+  test("let x = 1 + 2, y, ");
+  test("let x = 1 + 2, y, z ");
+  test("let x = 1 + 2, y, z; ");
+
+  test("let [ ");
+  test("let [ x ");
+  test("let [ x, ");
+  test("let [ x, ... ");
+  test("let { ");
+  test("let { x ");
+  test("let { x: ");
+  test("let { x: y ");
+  test("let { x: y, ");
+  test("let { x: y } ");
+  test("let { x: y } = ");
+
+  // const
+
+  test("const ");
+  test("const x ");
+  test("const x = ");
+  test("const x = 1 ");
+  test("const x = 1 + ");
+  test("const x = 1 + 2 ");
+  test("const x = 1 + 2, ");
+  test("const x = 1 + 2, y = 0");
+  test("const x = 1 + 2, y = 0, ");
+  test("const x = 1 + 2, y = 0, z = 0 ");
+  test("const x = 1 + 2, y = 0, z = 0; ");
+
+  test("const [ ");
+  test("const [ x ");
+  test("const [ x, ");
+  test("const [ x, ... ");
+  test("const { ");
+  test("const { x ");
+  test("const { x: ");
+  test("const { x: y ");
+  test("const { x: y, ");
+  test("const { x: y } ");
+  test("const { x: y } = ");
+
+  // ---- Functions ----
+
+  // function
+
+  test("function ");
+  test("function f ");
+  test("function f( ");
+  test("function f(x ");
+  test("function f(x, ");
+  test("function f(x, [ ");
+  test("function f(x, [y ");
+  test("function f(x, [y, ");
+  test("function f(x, [y, { ");
+  test("function f(x, [y, {z ");
+  test("function f(x, [y, {z: ");
+  test("function f(x, [y, {z: zz ");
+  test("function f(x, [y, {z: zz,  ");
+  test("function f(x, [y, {z: zz, w ");
+  test("function f(x, [y, {z: zz, w} ");
+  test("function f(x, [y, {z: zz, w}] ");
+  test("function f(x, [y, {z: zz, w}], ");
+  test("function f(x, [y, {z: zz, w}], v ");
+  test("function f(x, [y, {z: zz, w}], v= ");
+  test("function f(x, [y, {z: zz, w}], v=1 ");
+  test("function f(x, [y, {z: zz, w}], v=1, ");
+  test("function f(x, [y, {z: zz, w}], v=1, ... ");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t ");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t) ");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t) {");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t) { x ");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t) { x; ");
+  test("function f(x, [y, {z: zz, w}], v=1, ...t) { x; } ");
+
+  // star function
+
+  test("function* ");
+  test("function* f ");
+  test("function* f( ");
+  test("function* f(x ");
+  test("function* f(x, ");
+  test("function* f(x, ... ");
+  test("function* f(x, ...t ");
+  test("function* f(x, ...t) ");
+  test("function* f(x, ...t) {");
+  test("function* f(x, ...t) { x ");
+  test("function* f(x, ...t) { x; ");
+  test("function* f(x, ...t) { x; } ");
+
+  // return
+
+  test("function f() { return ");
+  test("function f() { return 1 ");
+  test("function f() { return 1; ");
+  test("function f() { return 1; } ");
+  test("function f() { return; ");
+  test("function f() { return\n");
+
+  // yield
+
+  test("function* f() { yield ");
+  test("function* f() { yield 1 ");
+  test("function* f() { yield* ");
+  test("function* f() { yield* 1 ");
+
+  test("function* f() { yield\n");
+  test("function* f() { yield*\n");
+
+  // ---- Iterations ----
+
+  // do...while
+
+  test("do ");
+  test("do {");
+  test("do {} ");
+  test("do {} while ");
+  test("do {} while ( ");
+  test("do {} while (x ");
+  test("do {} while (x) ");
+  test("do {} while (x); ");
+
+  test("do x ");
+  test("do x; ");
+  test("do x; while ");
+
+  // for
+
+  test("for ");
+  test("for (");
+  test("for (x ");
+  test("for (x; ");
+  test("for (x; y ");
+  test("for (x; y; ");
+  test("for (x; y; z ");
+  test("for (x; y; z) ");
+  test("for (x; y; z) { ");
+  test("for (x; y; z) {} ");
+
+  test("for (x; y; z) x ");
+  test("for (x; y; z) x; ");
+
+  test("for (var ");
+  test("for (var x ");
+  test("for (var x = ");
+  test("for (var x = y ");
+  test("for (var x = y; ");
+
+  test("for (let ");
+  test("for (let x ");
+  test("for (let x = ");
+  test("for (let x = y ");
+  test("for (let x = y; ");
+
+  // for...in
+
+  test("for (x in ");
+  test("for (x in y ");
+  test("for (x in y) ");
+
+  test("for (var x in ");
+  test("for (var x in y ");
+  test("for (var x in y) ");
+
+  test("for (let x in ");
+  test("for (let x in y ");
+  test("for (let x in y) ");
+
+  // for...of
+
+  test("for (x of ");
+  test("for (x of y ");
+  test("for (x of y) ");
+
+  test("for (var x of ");
+  test("for (var x of y ");
+  test("for (var x of y) ");
+
+  test("for (let x of ");
+  test("for (let x of y ");
+  test("for (let x of y) ");
+
+  // while
+
+  test("while ");
+  test("while (");
+  test("while (x ");
+  test("while (x) ");
+  test("while (x) { ");
+  test("while (x) {} ");
+
+  test("while (x) x ");
+  test("while (x) x; ");
+
+  // ---- Others ----
+
+  // debugger
+
+  test("debugger ");
+  test("debugger; ");
+
+  // export
+
+  var opts = { no_fun: true, no_eval: true, module: true };
+  test("export ", opts);
+  test("export { ", opts);
+  test("export { x ", opts);
+  test("export { x, ", opts);
+  test("export { x, y ", opts);
+  test("export { x, y as ", opts);
+  test("export { x, y as z ", opts);
+  test("export { x, y as z } ", opts);
+  test("export { x, y as z } from ", opts);
+  test("export { x, y as z } from 'a' ", opts);
+  test("export { x, y as z } from 'a'; ", opts);
+
+  test("export * ", opts);
+  test("export * from ", opts);
+  test("export * from 'a' ", opts);
+  test("export * from 'a'; ", opts);
+
+  test("export function ", opts);
+  test("export function f ", opts);
+  test("export function f( ", opts);
+  test("export function f() ", opts);
+  test("export function f() { ", opts);
+  test("export function f() {} ", opts);
+  test("export function f() {}; ", opts);
+
+  test("export var ", opts);
+  test("export var a ", opts);
+  test("export var a = ", opts);
+  test("export var a = 1 ", opts);
+  test("export var a = 1, ", opts);
+  test("export var a = 1, b ", opts);
+  test("export var a = 1, b = ", opts);
+  test("export var a = 1, b = 2 ", opts);
+  test("export var a = 1, b = 2; ", opts);
+
+  test("export let ", opts);
+  test("export let a ", opts);
+  test("export let a = ", opts);
+  test("export let a = 1 ", opts);
+  test("export let a = 1, ", opts);
+  test("export let a = 1, b ", opts);
+  test("export let a = 1, b = ", opts);
+  test("export let a = 1, b = 2 ", opts);
+  test("export let a = 1, b = 2; ", opts);
+
+  test("export const ", opts);
+  test("export const a ", opts);
+  test("export const a = ", opts);
+  test("export const a = 1 ", opts);
+  test("export const a = 1, ", opts);
+  test("export const a = 1, b ", opts);
+  test("export const a = 1, b = ", opts);
+  test("export const a = 1, b = 2 ", opts);
+  test("export const a = 1, b = 2; ", opts);
+
+  test("export class ", opts);
+  test("export class Foo ", opts);
+  test("export class Foo {  ", opts);
+  test("export class Foo { constructor ", opts);
+  test("export class Foo { constructor( ", opts);
+  test("export class Foo { constructor() ", opts);
+  test("export class Foo { constructor() { ", opts);
+  test("export class Foo { constructor() {} ", opts);
+  test("export class Foo { constructor() {} } ", opts);
+  test("export class Foo { constructor() {} }; ", opts);
+
+  test("export default ", opts);
+  test("export default 1 ", opts);
+  test("export default 1; ", opts);
+
+  test("export default function ", opts);
+  test("export default function() ", opts);
+  test("export default function() { ", opts);
+  test("export default function() {} ", opts);
+  test("export default function() {}; ", opts);
+
+  test("export default function foo ", opts);
+  test("export default function foo( ", opts);
+  test("export default function foo() ", opts);
+  test("export default function foo() { ", opts);
+  test("export default function foo() {} ", opts);
+  test("export default function foo() {}; ", opts);
+
+  test("export default class ", opts);
+  test("export default class { ", opts);
+  test("export default class { constructor ", opts);
+  test("export default class { constructor( ", opts);
+  test("export default class { constructor() ", opts);
+  test("export default class { constructor() { ", opts);
+  test("export default class { constructor() {} ", opts);
+  test("export default class { constructor() {} } ", opts);
+  test("export default class { constructor() {} }; ", opts);
+
+  test("export default class Foo ", opts);
+  test("export default class Foo { ", opts);
+  test("export default class Foo { constructor ", opts);
+  test("export default class Foo { constructor( ", opts);
+  test("export default class Foo { constructor() ", opts);
+  test("export default class Foo { constructor() { ", opts);
+  test("export default class Foo { constructor() {} ", opts);
+  test("export default class Foo { constructor() {} } ", opts);
+  test("export default class Foo { constructor() {} }; ", opts);
+
+  // import
+
+  test("import ", opts);
+  test("import x ", opts);
+  test("import x from ", opts);
+  test("import x from 'a' ", opts);
+  test("import x from 'a'; ", opts);
+
+  test("import { ", opts);
+  test("import { x ", opts);
+  test("import { x, ", opts);
+  test("import { x, y ", opts);
+  test("import { x, y } ", opts);
+  test("import { x, y } from ", opts);
+  test("import { x, y } from 'a' ", opts);
+  test("import { x, y } from 'a'; ", opts);
+
+  test("import { x as ", opts);
+  test("import { x as y ", opts);
+  test("import { x as y } ", opts);
+  test("import { x as y } from ", opts);
+  test("import { x as y } from 'a' ", opts);
+  test("import { x as y } from 'a'; ", opts);
+
+  test("import 'a' ", opts);
+  test("import 'a'; ", opts);
+
+  test("import * ", opts);
+  test("import * as ", opts);
+  test("import * as a ", opts);
+  test("import * as a from ", opts);
+  test("import * as a from 'a' ", opts);
+  test("import * as a from 'a'; ", opts);
+
+  test("import a ", opts);
+  test("import a, ", opts);
+  test("import a, * ", opts);
+  test("import a, * as ", opts);
+  test("import a, * as b ", opts);
+  test("import a, * as b from ", opts);
+  test("import a, * as b from 'c' ", opts);
+  test("import a, * as b from 'c'; ", opts);
+
+  test("import a, { ", opts);
+  test("import a, { b ", opts);
+  test("import a, { b } ", opts);
+  test("import a, { b } from ", opts);
+  test("import a, { b } from 'c' ", opts);
+  test("import a, { b } from 'c'; ", opts);
+
+  // label
+
+  test("a ");
+  test("a: ");
+
+  // with
+
+  opts = { no_strict: true };
+  test("with ", opts);
+  test("with (", opts);
+  test("with (x ", opts);
+  test("with (x) ", opts);
+  test("with (x) { ", opts);
+  test("with (x) {} ", opts);
+
+  test("with (x) x ", opts);
+  test("with (x) x; ", opts);
+
+  // ==== Expressions and operators ====
+
+  // ---- Primary expressions ----
+
+  // this
+
+  test("this ");
+
+  // function
+
+  test("(function ");
+  test("(function ( ");
+  test("(function (x ");
+  test("(function (x, ");
+  test("(function (x, ... ");
+  test("(function (x, ...t ");
+  test("(function (x, ...t) ");
+  test("(function (x, ...t) {");
+  test("(function (x, ...t) { x ");
+  test("(function (x, ...t) { x; ");
+  test("(function (x, ...t) { x; } ");
+  test("(function (x, ...t) { x; }) ");
+
+  // star function
+
+  test("(function* ");
+  test("(function* ( ");
+  test("(function* (x ");
+  test("(function* (x, ");
+  test("(function* (x, ... ");
+  test("(function* (x, ...t ");
+  test("(function* (x, ...t) ");
+  test("(function* (x, ...t) {");
+  test("(function* (x, ...t) { x ");
+  test("(function* (x, ...t) { x; ");
+  test("(function* (x, ...t) { x; } ");
+  test("(function* (x, ...t) { x; }) ");
+
+  // Array literal
+
+  test("[ ");
+  test("[] ");
+  test("[1 ");
+  test("[1, ");
+  test("[1, ... ");
+  test("[1, ...x ");
+  test("[1, ...x] ");
+
+  // object
+
+  test("({ ");
+  test("({ x ");
+  test("({ x: ");
+  test("({ x: 1 ");
+  test("({ x: 1, ");
+  test("({ x: 1, y ");
+  test("({ x: 1, y: ");
+  test("({ x: 1, y: 2 ");
+  test("({ x: 1, y: 2, ");
+  test("({ x: 1, y: 2, z ");
+  test("({ x: 1, y: 2, z, ");
+  test("({ x: 1, y: 2, z, w ");
+  test("({ x: 1, y: 2, z, w } ");
+  test("({ x: 1, y: 2, z, w }) ");
+
+  // object: computed property
+
+  test("({ [");
+  test("({ [k ");
+  test("({ [k] ");
+  test("({ [k]: ");
+  test("({ [k]: 1 ");
+  test("({ [k]: 1, ");
+
+  // object: getter
+
+  test("({ get ");
+  test("({ get p ");
+  test("({ get p( ");
+  test("({ get p() ");
+  test("({ get p() { ");
+  test("({ get p() {} ");
+  test("({ get p() {}, ");
+  test("({ get p() {}, } ");
+
+  test("({ get [ ");
+  test("({ get [p ");
+  test("({ get [p] ");
+  test("({ get [p]( ");
+  test("({ get [p]() ");
+
+  // object: setter
+
+  test("({ set ");
+  test("({ set p ");
+  test("({ set p( ");
+  test("({ set p(v ");
+  test("({ set p(v) ");
+  test("({ set p(v) { ");
+  test("({ set p(v) {} ");
+
+  test("({ set [ ");
+  test("({ set [p ");
+  test("({ set [p] ");
+  test("({ set [p]( ");
+  test("({ set [p](v ");
+  test("({ set [p](v) ");
+
+  // object: method
+
+  test("({ m ");
+  test("({ m( ");
+  test("({ m() ");
+  test("({ m() { ");
+  test("({ m() {} ");
+  test("({ m() {}, ");
+
+  test("({ [ ");
+  test("({ [m ");
+  test("({ [m] ");
+  test("({ [m]( ");
+  test("({ [m]() ");
+  test("({ [m]() { ");
+  test("({ [m]() {} ");
+  test("({ [m]() {}, ");
+
+  test("({ * ");
+  test("({ *m ");
+  test("({ *m( ");
+  test("({ *m() ");
+  test("({ *m() { ");
+  test("({ *m() {} ");
+  test("({ *m() {}, ");
+
+  test("({ *[ ");
+  test("({ *[m ");
+  test("({ *[m] ");
+  test("({ *[m]( ");
+  test("({ *[m]() ");
+  test("({ *[m]() { ");
+  test("({ *[m]() {} ");
+  test("({ *[m]() {}, ");
+
+  test("({ * get ");
+  test("({ * get ( ");
+  test("({ * get () ");
+  test("({ * get () { ");
+  test("({ * get () {} ");
+  test("({ * get () {}, ");
+
+  test("({ * set ");
+  test("({ * set ( ");
+  test("({ * set () ");
+  test("({ * set () { ");
+  test("({ * set () {} ");
+  test("({ * set () {}, ");
+
+  // Regular expression literal
+
+  test("/a/ ");
+  test("/a/g ");
+
+  // Array comprehensions
+
+  test("[for ");
+  test("[for ( ");
+  test("[for (x ");
+  test("[for (x of ");
+  test("[for (x of y ");
+  test("[for (x of y) ");
+  test("[for (x of y) x ");
+  test("[for (x of y) if ");
+  test("[for (x of y) if ( ");
+  test("[for (x of y) if (x ");
+  test("[for (x of y) if (x == ");
+  test("[for (x of y) if (x == 1 ");
+  test("[for (x of y) if (x == 1) ");
+  test("[for (x of y) if (x == 1) x ");
+  test("[for (x of y) if (x == 1) x] ");
+
+  // Generator comprehensions
+
+  test("(for ");
+  test("(for ( ");
+  test("(for (x ");
+  test("(for (x of ");
+  test("(for (x of y ");
+  test("(for (x of y) ");
+  test("(for (x of y) x ");
+  test("(for (x of y) if ");
+  test("(for (x of y) if ( ");
+  test("(for (x of y) if (x ");
+  test("(for (x of y) if (x == ");
+  test("(for (x of y) if (x == 1 ");
+  test("(for (x of y) if (x == 1) ");
+  test("(for (x of y) if (x == 1) x ");
+  test("(for (x of y) if (x == 1) x) ");
+
+  // ---- Left-hand-side expressions ----
+
+  // property access
+
+  test("a[ ");
+  test("a[1 ");
+  test("a[1] ");
+
+  test("a. ");
+  test("a.b ");
+  test("a.b; ");
+
+  // new
+
+  test("new ");
+  test("new f ");
+  test("new f( ");
+  test("new f() ");
+  test("new f(); ");
+
+  // ---- Increment and decrement ----
+
+  test("a ++ ");
+  test("a ++; ");
+
+  test("-- ");
+  test("-- a ");
+  test("-- a; ");
+
+  // ---- Unary operators ----
+
+  // delete
+
+  test("delete ");
+  test("delete a ");
+  test("delete a[ ");
+  test("delete a[b ");
+  test("delete a[b] ");
+  test("delete a[b]; ");
+
+  test("delete ( ");
+  test("delete (a ");
+  test("delete (a[ ");
+  test("delete (a[b ");
+  test("delete (a[b] ");
+  test("delete (a[b]) ");
+  test("delete (a[b]); ");
+
+  // void
+
+  test("void ");
+  test("void a ");
+  test("void a; ");
+
+  test("void (");
+  test("void (a ");
+  test("void (a) ");
+  test("void (a); ");
+
+  // typeof
+
+  test("typeof ");
+  test("typeof a ");
+  test("typeof a; ");
+
+  test("typeof (");
+  test("typeof (a ");
+  test("typeof (a) ");
+  test("typeof (a); ");
+
+  // -
+
+  test("- ");
+  test("- 1 ");
+  test("- 1; ");
+
+  // +
+
+  test("+ ");
+  test("+ 1 ");
+  test("+ 1; ");
+
+  // ---- Arithmetic operators ----
+
+  // +
+
+  test("1 + ");
+  test("1 + 1 ");
+  test("1 + 1; ");
+
+  // ---- Relational operators ----
+
+  // in
+
+  test("a in ");
+  test("a in b ");
+  test("a in b; ");
+
+  // instanceof
+
+  test("a instanceof ");
+  test("a instanceof b ");
+  test("a instanceof b; ");
+
+  // ---- Equality operators ----
+
+  // ==
+
+  test("1 == ");
+  test("1 == 1 ");
+  test("1 == 1; ");
+
+  // ---- Bitwise shift operators ----
+
+  // <<
+
+  test("1 << ");
+  test("1 << 1 ");
+  test("1 << 1; ");
+
+  // ---- Binary bitwise operators ----
+
+  // &
+
+  test("1 & ");
+  test("1 & 1 ");
+  test("1 & 1; ");
+
+  // ---- Binary logical operators ----
+
+  // ||
+
+  test("1 || ");
+  test("1 || 1 ");
+  test("1 || 1; ");
+
+  // ---- Conditional (ternary) operator ----
+
+  test("1 ? ");
+  test("1 ? 2 ");
+  test("1 ? 2 : ");
+  test("1 ? 2 : 3 ");
+  test("1 ? 2 : 3; ");
+
+  // ---- Assignment operators ----
+
+  test("x = ");
+  test("x = 1 ");
+  test("x = 1 + ");
+  test("x = 1 + 2 ");
+  test("x = 1 + 2; ");
+
+  // ---- Comma operator ----
+
+  test("1, ");
+  test("1, 2 ");
+  test("1, 2; ");
+
+  // ---- Functions ----
+
+  // Arrow functions
+
+  test("a => ");
+  test("a => 1 ");
+  test("a => 1; ");
+  test("a => { ");
+  test("a => {} ");
+  test("a => {}; ");
+
+  test("( ");
+  test("() ");
+  test("() => ");
+
+  test("(...");
+  test("(...a ");
+  test("(...a) ");
+  test("(...a) => ");
+
+  test("([ ");
+  test("([a ");
+  test("([a] ");
+  test("([a]) ");
+  test("([a]) => ");
+
+  test("({ ");
+  test("({a ");
+  test("({a} ");
+  test("({a}) ");
+  test("({a}) => ");
+  test("({a: ");
+  test("({a: b ");
+  test("({a: b, ");
+  test("({a: b} ");
+  test("({a: b}) ");
+  test("({a: b}) => ");
+
+  // ---- Class declaration ----
+
+  test("class ");
+  test("class a ");
+  test("class a { ");
+  test("class a { constructor ");
+  test("class a { constructor( ");
+  test("class a { constructor() ");
+  test("class a { constructor() { ");
+  test("class a { constructor() { } ");
+  test("class a { constructor() { } } ");
+
+  test("class a { constructor() { } static ");
+  test("class a { constructor() { } static m ");
+  test("class a { constructor() { } static m( ");
+  test("class a { constructor() { } static m() ");
+  test("class a { constructor() { } static m() { ");
+  test("class a { constructor() { } static m() {} ");
+  test("class a { constructor() { } static m() {} } ");
+
+  test("class a { constructor() { } static ( ");
+  test("class a { constructor() { } static () ");
+  test("class a { constructor() { } static () { ");
+  test("class a { constructor() { } static () {} ");
+  test("class a { constructor() { } static () {} } ");
+
+  test("class a { constructor() { } static get ");
+  test("class a { constructor() { } static get p ");
+  test("class a { constructor() { } static get p( ");
+  test("class a { constructor() { } static get p() ");
+  test("class a { constructor() { } static get p() { ");
+  test("class a { constructor() { } static get p() {} ");
+  test("class a { constructor() { } static get p() {} } ");
+
+  test("class a { constructor() { } static set ");
+  test("class a { constructor() { } static set p ");
+  test("class a { constructor() { } static set p( ");
+  test("class a { constructor() { } static set p(v ");
+  test("class a { constructor() { } static set p(v) ");
+  test("class a { constructor() { } static set p(v) { ");
+  test("class a { constructor() { } static set p(v) {} ");
+  test("class a { constructor() { } static set p(v) {} } ");
+
+  test("class a { constructor() { } * ");
+  test("class a { constructor() { } *m ");
+  test("class a { constructor() { } *m( ");
+  test("class a { constructor() { } *m() ");
+  test("class a { constructor() { } *m() { ");
+  test("class a { constructor() { } *m() {} ");
+  test("class a { constructor() { } *m() {} } ");
+
+  test("class a { constructor() { } static * ");
+  test("class a { constructor() { } static *m ");
+  test("class a { constructor() { } static *m( ");
+  test("class a { constructor() { } static *m() ");
+  test("class a { constructor() { } static *m() { ");
+  test("class a { constructor() { } static *m() {} ");
+  test("class a { constructor() { } static *m() {} } ");
+
+  test("class a extends ");
+  test("class a extends b ");
+  test("class a extends b { ");
+
+  test("class a extends ( ");
+  test("class a extends ( b ");
+  test("class a extends ( b ) ");
+  test("class a extends ( b ) { ");
+
+  // ---- Class expression ----
+
+  test("( class ");
+  test("( class a ");
+  test("( class a { ");
+  test("( class a { constructor ");
+  test("( class a { constructor( ");
+  test("( class a { constructor() ");
+  test("( class a { constructor() { ");
+  test("( class a { constructor() { } ");
+  test("( class a { constructor() { } } ");
+  test("( class a { constructor() { } } ) ");
+
+  test("(class a extends ");
+  test("(class a extends b ");
+  test("(class a extends b { ");
+
+  test("(class a extends ( ");
+  test("(class a extends ( b ");
+  test("(class a extends ( b ) ");
+  test("(class a extends ( b ) { ");
+
+  test("( class { ");
+  test("( class { constructor ");
+  test("( class { constructor( ");
+  test("( class { constructor() ");
+  test("( class { constructor() { ");
+  test("( class { constructor() { } ");
+  test("( class { constructor() { } } ");
+  test("( class { constructor() { } } ) ");
+
+  test("(class extends ");
+  test("(class extends b ");
+  test("(class extends b { ");
+
+  test("(class extends ( ");
+  test("(class extends ( b ");
+  test("(class extends ( b ) ");
+  test("(class extends ( b ) { ");
+
+  // ---- Other ----
+
+  // Literals
+
+  test("a ");
+  test("1 ");
+  test("1. ");
+  test("1.2 ");
+  test("true ");
+  test("false ");
+  test("\"a\" ");
+  test("'a' ");
+  test("null ");
+
+  // Template strings
+
+  test("`${ ");
+  test("`${a ");
+  test("`${a}` ");
+
+  // Function calls
+
+  test("f( ");
+  test("f() ");
+  test("f(); ");
+
+  test("f(... ");
+  test("f(...x ");
+  test("f(...x) ");
+
+  // Function constructors
+
+  test_fun_arg("");
+  test_fun_arg("a ");
+  test_fun_arg("... ");
+  test_fun_arg("...a ");
+
+  // ==== Legacy ====
+
+  // Expression closures
+
+  test("function f() 1 ");
+  test("function f() 1; ");
+  test("(function () 1 ");
+  test("(function () 1); ");
+
+  // Legacy generator
+
+  test("function f() { (yield ");
+  test("function f() { (yield 1 ");
+  test("function f() { f(yield ");
+  test("function f() { f(yield 1 ");
+
+  // for each...in
+
+  test("for each ");
+  test("for each (");
+  test("for each (x ");
+  test("for each (x in ");
+  test("for each (x in y ");
+  test("for each (x in y) ");
+
+  test("for each (var ");
+  test("for each (var x ");
+  test("for each (var x in ");
+  test("for each (var x in y ");
+  test("for each (var x in y) ");
+
+  test("for each (let ");
+  test("for each (let x ");
+  test("for each (let x in ");
+  test("for each (let x in y ");
+  test("for each (let x in y) ");
+
+  // ==== asm.js ====
+
+  test("(function() { 'use asm'; ");
+  test("(function() { 'use asm'; var ");
+  test("(function() { 'use asm'; var a ");
+  test("(function() { 'use asm'; var a = ");
+  test("(function() { 'use asm'; var a = 1 ");
+  test("(function() { 'use asm'; var a = 1; ");
+  test("(function() { 'use asm'; var a = 1; function ");
+  test("(function() { 'use asm'; var a = 1; function f ");
+  test("(function() { 'use asm'; var a = 1; function f( ");
+  test("(function() { 'use asm'; var a = 1; function f() ");
+  test("(function() { 'use asm'; var a = 1; function f() { ");
+  test("(function() { 'use asm'; var a = 1; function f() { } ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [ ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f] ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; } ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; }) ");
+  test("(function() { 'use asm'; var a = 1; function f() { } var tbl = [f]; return f; }); ");
+
+  // ==== async/await ====
+
+  // async/await function decralation
+
+  test("async ");
+  test("async function ");
+  test("async function A ");
+  test("async function A( ");
+  test("async function A() ");
+  test("async function A(a ");
+  test("async function A(a) ");
+  test("async function A(a) { ");
+  test("async function A(a) {} ");
+  test("async function A(a) { await ");
+  test("async function A(a) { await X ");
+  test("async function A(a) { await X; ");
+  test("async function A(a) { await X; } ");
+  test("async function A(a) { await await ");
+  test("async function A(a) { await await await ");
+  test("async function A(a) { await await await X ");
+  test("async function A(a) { await await await X; ");
+  test("async function A(a) { await await await X; } ");
+
+  opts = { no_fun: true, no_eval: true, module: true };
+  test("export default async ", opts);
+  test("export default async function ", opts);
+  test("export default async function ( ", opts);
+  test("export default async function () ", opts);
+  test("export default async function (a ", opts);
+  test("export default async function (a) ", opts);
+  test("export default async function (a) { ", opts);
+  test("export default async function (a) {} ", opts);
+  test("export default async function (a) { await ", opts);
+  test("export default async function (a) { await X ", opts);
+  test("export default async function (a) { await X; ", opts);
+  test("export default async function (a) { await X; } ", opts);
+
+  // async/await function expression
+
+  test("(async ");
+  test("(async function ");
+  test("(async function A ");
+  test("(async function A( ");
+  test("(async function A() ");
+  test("(async function A(a ");
+  test("(async function A(a) ");
+  test("(async function A(a) { ");
+  test("(async function A(a) {} ");
+  test("(async function A(a) { await ");
+  test("(async function A(a) { await X ");
+  test("(async function A(a) { await X; ");
+  test("(async function A(a) { await X; } ");
+  test("(async function A(a) { await X; }) ");
+
+  test("(async function ( ");
+  test("(async function () ");
+  test("(async function (a ");
+  test("(async function (a) ");
+  test("(async function (a) { ");
+  test("(async function (a) {} ");
+  test("(async function (a) { await ");
+  test("(async function (a) { await X ");
+  test("(async function (a) { await X; ");
+  test("(async function (a) { await X; } ");
+  test("(async function (a) { await X; }) ");
+
+  // async/await method
+
+  test("({ async ");
+  test("({ async m ");
+  test("({ async m( ");
+  test("({ async m() ");
+  test("({ async m() { ");
+  test("({ async m() {} ");
+  test("({ async m() {}, ");
+
+  test("class X { async ");
+  test("class X { async m ");
+  test("class X { async m( ");
+  test("class X { async m() ");
+  test("class X { async m() { ");
+  test("class X { async m() {} ");
+
+  test("class X { static async ");
+  test("class X { static async m ");
+  test("class X { static async m( ");
+  test("class X { static async m() ");
+  test("class X { static async m() { ");
+  test("class X { static async m() {} ");
+
+  // async/await arrow
+
+  test("(async a ");
+  test("(async a => ");
+  test("(async a => b ");
+  test("(async a => b) ");
+
+  test("(async a => { ");
+  test("(async a => { b ");
+  test("(async a => { b } ");
+  test("(async a => { b }) ");
+
+  test("(async ( ");
+  test("(async (a ");
+  test("(async (a) ");
+  test("(async (a) => ");
+  test("(async (a) => b ");
+  test("(async (a) => b) ");
+  test("(async (a, ");
+  test("(async (a, b ");
+  test("(async (a, b) ");
+  test("(async (a, b) => ");
+  test("(async (a, b) => b ");
+  test("(async (a, b) => b) ");
+
+  test("(async ([ ");
+  test("(async ([a ");
+  test("(async ([a] ");
+  test("(async ([a]) ");
+  test("(async ([a]) => ");
+  test("(async ([a]) => b ");
+  test("(async ([a]) => b) ");
+  test("(async ([a, ");
+  test("(async ([a, b ");
+  test("(async ([a, b] ");
+  test("(async ([a, b]) ");
+  test("(async ([a, b]) => ");
+  test("(async ([a, b]) => b ");
+  test("(async ([a, b]) => b) ");
+
+  test("(async ({ ");
+  test("(async ({a ");
+  test("(async ({a} ");
+  test("(async ({a}) ");
+  test("(async ({a}) => ");
+  test("(async ({a}) => b ");
+  test("(async ({a}) => b) ");
+  test("(async ({a, ");
+  test("(async ({a, b ");
+  test("(async ({a, b} ");
+  test("(async ({a, b}) ");
+  test("(async ({a, b}) => ");
+  test("(async ({a, b}) => b ");
+  test("(async ({a, b}) => b) ");
+}