1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// Exercise ModuleDeclarationInstantiation() operation.
load(libdir + "dummyModuleResolveHook.js");
function testModuleEnvironment(module, expected) {
var actual = getModuleEnvironmentNames(module).sort();
assertEq(actual.length, expected.length);
for (var i = 0; i < actual.length; i++) {
assertEq(actual[i], expected[i]);
}
}
// Check the environment of an empty module.
let m = parseModule("");
m.declarationInstantiation();
testModuleEnvironment(m, []);
let a = moduleRepo['a'] = parseModule("var x = 1; export { x };");
let b = moduleRepo['b'] = parseModule("import { x as y } from 'a';");
a.declarationInstantiation();
b.declarationInstantiation();
testModuleEnvironment(a, ['x']);
testModuleEnvironment(b, ['y']);
// Function bindings are initialized as well as instantiated.
let c = parseModule(`function a(x) { return x; }
function b(x) { return x + 1; }
function c(x) { return x + 2; }
function d(x) { return x + 3; }`);
const names = ['a', 'b', 'c', 'd'];
testModuleEnvironment(c, names);
names.forEach((n) => assertEq(typeof getModuleEnvironmentValue(c, n), "undefined"));
c.declarationInstantiation();
for (let i = 0; i < names.length; i++) {
let f = getModuleEnvironmentValue(c, names[i]);
assertEq(f(21), 21 + i);
}
|
