Mypal/js/src/jit-test/tests/modules/bug-1284486.js

33 lines
876 B
JavaScript

// This tests that module instantiation can succeed when executed a second
// time after a failure.
//
// The first attempt fails becuase module 'a' is not available. The second
// attempt succeeds as 'a' is now available.
load(libdir + "dummyModuleResolveHook.js");
let b = moduleRepo['b'] = parseModule("export var b = 3; export var c = 4;");
let c = moduleRepo['c'] = parseModule("export * from 'a'; export * from 'b';");
let e1;
let threw = false;
try {
c.declarationInstantiation();
} catch (exc) {
threw = true;
e1 = exc;
}
assertEq(threw, true);
assertEq(typeof e1 === "undefined", false);
let a = moduleRepo['a'] = parseModule("export var a = 1; export var b = 2;");
let d = moduleRepo['d'] = parseModule("import { a } from 'c'; a;");
threw = false;
try {
d.declarationInstantiation();
} catch (exc) {
threw = true;
}
assertEq(threw, false);