js/src/jit-test/tests/modules/global-scope.js


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

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

function parseAndEvaluate(source) {
    let m = parseModule(source);
    m.declarationInstantiation();
    return m.evaluation();
}

var x = 1;
assertEq(parseAndEvaluate("let r = x; x = 2; r"), 1);
assertEq(x, 2);

let y = 3;
assertEq(parseAndEvaluate("let r = y; y = 4; r"), 3);
assertEq(y, 4);

if (helperThreadCount() == 0)
    quit();

function offThreadParseAndEvaluate(source) {
    offThreadCompileModule(source);
    let m = finishOffThreadModule();
    print("compiled");
    m.declarationInstantiation();
    return m.evaluation();
}

assertEq(offThreadParseAndEvaluate("let r = x; x = 5; r"), 2);
assertEq(x, 5);

assertEq(offThreadParseAndEvaluate("let r = y; y = 6; r"), 4);
assertEq(y, 6);