tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

multivalue.js (1977B)

      1 // Test passing of multi-value results.
      2 
      3 var suspending_fib2 = new WebAssembly.Suspending(
      4  async (i, j) => { return [j, i + j] }
      5 );
      6 
      7 var ins = wasmEvalText(`(module
      8  (import "js" "fib2" (func $tt (param i32 i32) (result i32 i32)))
      9 
     10  (func (export "fib1") (param i32 i32) (result i32 i32)
     11    local.get 1
     12    local.get 1
     13    local.get 0
     14    i32.add
     15    call $tt
     16  )
     17 )`, {
     18  js: {
     19    fib2: suspending_fib2,
     20  },
     21 });
     22 
     23 var fib = WebAssembly.promising(ins.exports.fib1);
     24 
     25 var res = fib(1, 1);
     26 res.then((r) => {
     27  assertEq(r instanceof Array, true);
     28  assertEq(r.join(","), "2,3");
     29 }).catch(e => {
     30  assertEq(true, false);
     31 });
     32 
     33 // Test no results returned.
     34 
     35 var check = 0;
     36 var ins = wasmEvalText(`(module
     37  (import "js" "out" (func $out (param i32)))
     38 
     39  (func (export "in") (param i32)
     40    local.get 0
     41    call $out
     42  )
     43 )`, {
     44  js: {
     45    out: new WebAssembly.Suspending(async(i) => {
     46      check += i;
     47      return 42;
     48    }),
     49  },
     50 });
     51 
     52 var res = WebAssembly.promising(ins.exports.in)(1);
     53 res.then((r) => {
     54  assertEq(typeof r, "undefined");
     55  assertEq(check, 1);
     56 }).catch(e => {
     57  assertEq(true, false);
     58 });
     59 
     60 // Check non-iterable returned from JS.
     61 var ins  = wasmEvalText(`(module
     62  (import "js" "fail" (func $out (result i32 i32)))
     63 
     64  (func (export "test") (result i32)
     65    call $out
     66    i32.add
     67  )
     68 )`, {
     69  js: {
     70    fail: new WebAssembly.Suspending(() => 42),
     71  },
     72 });
     73 
     74 var res = WebAssembly.promising(ins.exports.test)();
     75 res.then((r) => {
     76  assertEq(true, false);
     77 }).catch(e => {
     78  assertEq(e instanceof TypeError, true)
     79 });
     80 
     81 // Check wrong number of values returned from JS.
     82 var ins  = wasmEvalText(`(module
     83  (import "js" "fail" (func $out (result i32 i32 i32)))
     84 
     85  (func (export "test") (result i32 i32)
     86    call $out
     87    i32.add
     88  )
     89 )`, {
     90  js: {
     91    fail: new WebAssembly.Suspending(() => [42, 1]),
     92  },
     93 });
     94 
     95 var res = WebAssembly.promising(ins.exports.test)();
     96 res.then((r) => {
     97  assertEq(true, false);
     98 }).catch(e => {
     99  assertEq(e instanceof TypeError, true)
    100 });