global-scope.js - mozsearch

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// Test interaction with global object and global lexical scope.

function evalModuleAndCheck(source, expected) {

    let m = parseModule(source);

    moduleLink(m);

    moduleEvaluate(m);

    assertEq(getModuleEnvironmentValue(m, "r"), expected);

var x = 1;

evalModuleAndCheck("export let r = x; x = 2;", 1);

assertEq(x, 2);

let y = 3;

evalModuleAndCheck("export let r = y; y = 4;", 3);

assertEq(y, 4);

if (helperThreadCount() == 0)

    quit();

function offThreadEvalModuleAndCheck(source, expected) {

    offThreadCompileModuleToStencil(source);

    let stencil = finishOffThreadStencil();

    let m = instantiateModuleStencil(stencil);

    print("compiled");

    moduleLink(m);

    moduleEvaluate(m);

    assertEq(getModuleEnvironmentValue(m, "r"), expected);

offThreadEvalModuleAndCheck("export let r = x; x = 5;", 2);

assertEq(x, 5);

offThreadEvalModuleAndCheck("export let r = y; y = 6;", 4);

assertEq(y, 6);