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MP_wait.wast.js (2923B)

      1 /* Copyright 2021 Mozilla Foundation
      2 *
      3 * Licensed under the Apache License, Version 2.0 (the "License");
      4 * you may not use this file except in compliance with the License.
      5 * You may obtain a copy of the License at
      6 *
      7 *     http://www.apache.org/licenses/LICENSE-2.0
      8 *
      9 * Unless required by applicable law or agreed to in writing, software
     10 * distributed under the License is distributed on an "AS IS" BASIS,
     11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     12 * See the License for the specific language governing permissions and
     13 * limitations under the License.
     14 */
     15 
     16 // ./test/core/threads/MP_wait.wast
     17 
     18 // ./test/core/threads/MP_wait.wast:1
     19 let $0 = instantiate(`(module \$Mem
     20  (memory (export "shared") 1 1 shared)
     21 )`);
     22 let $Mem = $0;
     23 
     24 // Missing in source test:
     25 // https://github.com/WebAssembly/threads/pull/217
     26 register($Mem, `mem`);
     27 
     28 // ./test/core/threads/MP_wait.wast:5
     29 let $T1 = new Thread($Mem, "$Mem", `
     30 
     31 // ./test/core/threads/MP_wait.wast:6:3
     32 register(\$Mem, \`mem\`);
     33 
     34 // ./test/core/threads/MP_wait.wast:7:3
     35 let \$1 = instantiate(\`(module
     36    (memory (import "mem" "shared") 1 10 shared)
     37    (func (export "run")
     38      (i32.atomic.store (i32.const 0) (i32.const 42))
     39      (i32.atomic.store (i32.const 4) (i32.const 1))
     40    )
     41  )\`);
     42 
     43 // ./test/core/threads/MP_wait.wast:14:3
     44 invoke(\$1, \`run\`, []);
     45 `);
     46 
     47 // ./test/core/threads/MP_wait.wast:17
     48 let $T2 = new Thread($Mem, "$Mem", `
     49 
     50 // ./test/core/threads/MP_wait.wast:18:3
     51 register(\$Mem, \`mem\`);
     52 
     53 // ./test/core/threads/MP_wait.wast:19:3
     54 let \$2 = instantiate(\`(module
     55    (memory (import "mem" "shared") 1 1 shared)
     56    (func (export "run")
     57      (local i32 i32)
     58      (i32.atomic.load (i32.const 4))
     59      (local.set 0)
     60      (i32.atomic.load (i32.const 0))
     61      (local.set 1)
     62 
     63      ;; store results for checking
     64      (i32.store (i32.const 24) (local.get 0))
     65      (i32.store (i32.const 32) (local.get 1))
     66    )
     67  )\`);
     68 
     69 // ./test/core/threads/MP_wait.wast:34:3
     70 invoke(\$2, \`run\`, []);
     71 `);
     72 
     73 // ./test/core/threads/MP_wait.wast:37
     74 $T1.wait();
     75 
     76 // ./test/core/threads/MP_wait.wast:38
     77 $T2.wait();
     78 
     79 // ./test/core/threads/MP_wait.wast:40
     80 let $3 = instantiate(`(module \$Check
     81  (memory (import "mem" "shared") 1 1 shared)
     82 
     83  (func (export "check") (result i32)
     84    (local i32 i32)
     85    (i32.load (i32.const 24))
     86    (local.set 0)
     87    (i32.load (i32.const 32))
     88    (local.set 1)
     89 
     90    ;; allowed results: (L_0 = 1 && L_1 = 42) || (L_0 = 0 && L_1 = 0) || (L_0 = 0 && L_1 = 42)
     91 
     92    (i32.and (i32.eq (local.get 0) (i32.const 1)) (i32.eq (local.get 1) (i32.const 42)))
     93    (i32.and (i32.eq (local.get 0) (i32.const 0)) (i32.eq (local.get 1) (i32.const 0)))
     94    (i32.and (i32.eq (local.get 0) (i32.const 0)) (i32.eq (local.get 1) (i32.const 42)))
     95    (i32.or)
     96    (i32.or)
     97    (return)
     98  )
     99 )`);
    100 let $Check = $3;
    101 
    102 // ./test/core/threads/MP_wait.wast:61
    103 assert_return(() => invoke($Check, `check`, []), [value("i32", 1)]);