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SB_atomic.wast.js (2997B)

      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/SB_atomic.wast
     17 
     18 // ./test/core/threads/SB_atomic.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/SB_atomic.wast:5
     29 let $T1 = new Thread($Mem, "$Mem", `
     30 
     31 // ./test/core/threads/SB_atomic.wast:6:3
     32 register(\$Mem, \`mem\`);
     33 
     34 // ./test/core/threads/SB_atomic.wast:7:3
     35 let \$1 = instantiate(\`(module
     36    (memory (import "mem" "shared") 1 10 shared)
     37    (func (export "run")
     38      (local i32)
     39      (i32.atomic.store (i32.const 0) (i32.const 1))
     40      (i32.atomic.load (i32.const 4))
     41      (local.set 0)
     42 
     43      ;; store results for checking
     44      (i32.store (i32.const 24) (local.get 0))
     45    )
     46  )\`);
     47 
     48 // ./test/core/threads/SB_atomic.wast:19:3
     49 invoke(\$1, \`run\`, []);
     50 `);
     51 
     52 // ./test/core/threads/SB_atomic.wast:22
     53 let $T2 = new Thread($Mem, "$Mem", `
     54 
     55 // ./test/core/threads/SB_atomic.wast:23:3
     56 register(\$Mem, \`mem\`);
     57 
     58 // ./test/core/threads/SB_atomic.wast:24:3
     59 let \$2 = instantiate(\`(module
     60    (memory (import "mem" "shared") 1 1 shared)
     61    (func (export "run")
     62      (local i32)
     63      (i32.atomic.store (i32.const 4) (i32.const 1))
     64      (i32.atomic.load (i32.const 0))
     65      (local.set 0)
     66 
     67      ;; store results for checking
     68      (i32.store (i32.const 32) (local.get 0))
     69    )
     70  )\`);
     71 
     72 // ./test/core/threads/SB_atomic.wast:37:3
     73 invoke(\$2, \`run\`, []);
     74 `);
     75 
     76 // ./test/core/threads/SB_atomic.wast:40
     77 $T1.wait();
     78 
     79 // ./test/core/threads/SB_atomic.wast:41
     80 $T2.wait();
     81 
     82 // ./test/core/threads/SB_atomic.wast:43
     83 let $3 = instantiate(`(module \$Check
     84  (memory (import "mem" "shared") 1 1 shared)
     85 
     86  (func (export "check") (result i32)
     87    (local i32 i32)
     88    (i32.load (i32.const 24))
     89    (local.set 0)
     90    (i32.load (i32.const 32))
     91    (local.set 1)
     92 
     93    ;; allowed results: (L_0 = 1 && L_1 = 1) || (L_0 = 0 && L_1 = 1) || (L_0 = 1 && L_1 = 0)
     94 
     95    (i32.and (i32.eq (local.get 0) (i32.const 1)) (i32.eq (local.get 1) (i32.const 1)))
     96    (i32.and (i32.eq (local.get 0) (i32.const 0)) (i32.eq (local.get 1) (i32.const 1)))
     97    (i32.and (i32.eq (local.get 0) (i32.const 1)) (i32.eq (local.get 1) (i32.const 0)))
     98    (i32.or)
     99    (i32.or)
    100    (return)
    101  )
    102 )`);
    103 let $Check = $3;
    104 
    105 // ./test/core/threads/SB_atomic.wast:64
    106 assert_return(() => invoke($Check, `check`, []), [value("i32", 1)]);