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// |jit-test|
load(libdir + "asserts.js");
async function parseAndEvaluate(source) {
let stencil = compileToStencilXDR(source, {module: true});
let m = instantiateModuleStencilXDR(stencil);
moduleLink(m);
await moduleEvaluate(m);
return m;
}
(async () => {
// Check the evaluation of an empty module succeeds.
await parseAndEvaluate("");
})();
(async () => {
// Check that evaluation returns evaluation promise,
// and promise is always the same.
let stencil = compileToStencilXDR("1", {module: true});
let m = instantiateModuleStencilXDR(stencil);
moduleLink(m);
assertEq(typeof moduleEvaluate(m), "object");
assertEq(moduleEvaluate(m) instanceof Promise, true);
assertEq(moduleEvaluate(m), moduleEvaluate(m));
})();
(async () => {
// Check top level variables are initialized by evaluation.
let stencil = compileToStencilXDR("export var x = 2 + 2;", {module: true});
let m = instantiateModuleStencilXDR(stencil);
assertEq(typeof getModuleEnvironmentValue(m, "x"), "undefined");
moduleLink(m);
await moduleEvaluate(m);
assertEq(getModuleEnvironmentValue(m, "x"), 4);
})();
(async () => {
let m = await parseAndEvaluate("export let x = 2 * 3;");
assertEq(getModuleEnvironmentValue(m, "x"), 6);
// Set up a module to import from.
let stencil = compileToStencilXDR(
`var x = 1;
export { x };
export default 2;
export function f(x) { return x + 1; }`,
{module: true});
let mod = instantiateModuleStencilXDR(stencil);
let a = registerModule('a', mod);
// Check we can evaluate top level definitions.
await parseAndEvaluate("var foo = 1;");
await parseAndEvaluate("let foo = 1;");
await parseAndEvaluate("const foo = 1");
await parseAndEvaluate("function foo() {}");
await parseAndEvaluate("class foo { constructor() {} }");
// Check we can evaluate all module-related syntax.
await parseAndEvaluate("export var foo = 1;");
await parseAndEvaluate("export let foo = 1;");
await parseAndEvaluate("export const foo = 1;");
await parseAndEvaluate("var x = 1; export { x };");
await parseAndEvaluate("export default 1");
await parseAndEvaluate("export default function() {};");
await parseAndEvaluate("export default function foo() {};");
await parseAndEvaluate("import a from 'a';");
await parseAndEvaluate("import { x } from 'a';");
await parseAndEvaluate("import * as ns from 'a';");
await parseAndEvaluate("export * from 'a'");
await parseAndEvaluate("export default class { constructor() {} };");
await parseAndEvaluate("export default class foo { constructor() {} };");
// Test default import
m = await parseAndEvaluate("import a from 'a'; export { a };")
assertEq(getModuleEnvironmentValue(m, "a"), 2);
// Test named import
m = await parseAndEvaluate("import { x as y } from 'a'; export { y };")
assertEq(getModuleEnvironmentValue(m, "y"), 1);
// Call exported function
m = await parseAndEvaluate("import { f } from 'a'; export let x = f(3);")
assertEq(getModuleEnvironmentValue(m, "x"), 4);
// Import access in functions
m = await parseAndEvaluate("import { x } from 'a'; function f() { return x; }")
let f = getModuleEnvironmentValue(m, "f");
assertEq(f(), 1);
})();
drainJobQueue();
|
