identity.tentative.any.js (1712B)
1 // META: global=window,dedicatedworker,jsshell,shadowrealm 2 // META: script=/wasm/jsapi/assertions.js 3 // META: script=/wasm/jsapi/wasm-module-builder.js 4 5 test(() => { 6 const tag = new WebAssembly.Tag({ parameters: ["i32"] }); 7 const exn = new WebAssembly.Exception(tag, [42]); 8 const exn_same_payload = new WebAssembly.Exception(tag, [42]); 9 const exn_diff_payload = new WebAssembly.Exception(tag, [53]); 10 11 const builder = new WasmModuleBuilder(); 12 const jsfuncIndex = builder.addImport("module", "jsfunc", kSig_v_v); 13 const tagIndex = builder.addImportedTag("module", "tag", kSig_v_i); 14 const imports = { 15 module: { 16 jsfunc: function() { throw exn; }, 17 tag: tag 18 } 19 }; 20 21 builder 22 .addFunction("catch_rethrow", kSig_v_v) 23 .addBody([ 24 kExprTry, kWasmStmt, 25 kExprCallFunction, jsfuncIndex, 26 kExprCatch, tagIndex, 27 kExprDrop, 28 kExprRethrow, 0x00, 29 kExprEnd 30 ]) 31 .exportFunc(); 32 33 builder 34 .addFunction("catch_all_rethrow", kSig_v_v) 35 .addBody([ 36 kExprTry, kWasmStmt, 37 kExprCallFunction, jsfuncIndex, 38 kExprCatchAll, 39 kExprRethrow, 0x00, 40 kExprEnd 41 ]) 42 .exportFunc(); 43 44 const buffer = builder.toBuffer(); 45 WebAssembly.instantiate(buffer, imports).then(result => { 46 try { 47 result.instance.exports.catch_rethrow(); 48 } catch (e) { 49 assert_equals(e, exn); 50 assert_not_equals(e, exn_same_payload); 51 assert_not_equals(e, exn_diff_payload); 52 } 53 try { 54 result.instance.exports.catch_all_rethrow(); 55 } catch (e) { 56 assert_equals(e, exn); 57 assert_not_equals(e, exn_same_payload); 58 assert_not_equals(e, exn_diff_payload); 59 } 60 }); 61 }, "Identity check");