1// Copyright 2012 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28// Flags: --harmony-modules
29
30// Test basic module syntax, with and without automatic semicolon insertion.
31
32module A {}
33
34module A1 = A
35module A2 = A;
36module A3 = A2
37
38module B {
39  export vx
40  export vy, lz, c, f
41
42  var vx
43  var vx, vy;
44  var vx = 0, vy
45  let lx, ly
46  let lz = 1
47  const c = 9
48  function f() {}
49
50  module C0 {}
51
52  export module C {
53    let x
54    export module D { export let x }
55    let y
56  }
57
58  let zz = ""
59
60  export var x0
61  export var x1, x2 = 6, x3
62  export let y0
63  export let y1 = 0, y2
64  export const z0 = 0
65  export const z1 = 2, z2 = 3
66  export function f0() {}
67  export module M1 {}
68  export module M2 = C.D
69  export module M3 at "http://where"
70
71  import i0 from I
72  import i1, i2, i3, M from I
73  //import i4, i5 from "http://where"
74}
75
76module I {
77  export let i0, i1, i2, i3;
78  export module M {}
79}
80
81module C1 = B.C;
82module D1 = B.C.D
83module D2 = C1.D
84module D3 = D2
85
86module E1 at "http://where"
87module E2 at "http://where";
88module E3 = E1
89
90// Check that ASI does not interfere.
91
92module X
93{
94let x
95}
96
97module Y
98=
99X
100
101module Z
102at
103"file://local"
104
105import
106vx
107,
108vy
109from
110B
111
112
113module Wrap {
114export
115x
116,
117y
118
119var
120x
121,
122y
123
124export
125var
126v1 = 1
127
128export
129let
130v2 = 2
131
132export
133const
134v3 = 3
135
136export
137function
138f
139(
140)
141{
142}
143
144export
145module V
146{
147}
148}
149
150export A, A1, A2, A3, B, I, C1, D1, D2, D3, E1, E2, E3, X, Y, Z, Wrap, x, y, UU
151
152
153
154// Check that 'module' still works as an identifier.
155
156var module
157module = {}
158module["a"] = 6
159function module() {}
160function f(module) { return module }
161try {} catch (module) {}
162
163module
164v = 20
165
166
167
168// Check that module declarations are rejected in eval or local scope.
169
170module M { export let x; }
171
172assertThrows("export x;", SyntaxError);  // It's using eval, so should throw.
173assertThrows("export let x;", SyntaxError);
174assertThrows("import x from M;", SyntaxError);
175assertThrows("module M {};", SyntaxError);
176
177assertThrows("{ export x; }", SyntaxError);
178assertThrows("{ export let x; }", SyntaxError);
179assertThrows("{ import x from M; }", SyntaxError);
180assertThrows("{ module M {}; }", SyntaxError);
181
182assertThrows("function f() { export x; }", SyntaxError);
183assertThrows("function f() { export let x; }", SyntaxError);
184assertThrows("function f() { import x from M; }", SyntaxError);
185assertThrows("function f() { module M {}; }", SyntaxError);
186
187assertThrows("function f() { { export x; } }", SyntaxError);
188assertThrows("function f() { { export let x; } }", SyntaxError);
189assertThrows("function f() { { import x from M; } }", SyntaxError);
190assertThrows("function f() { { module M {}; } }", SyntaxError);
191