| /* Copied from * |
| * https://github.com/WebAssembly/spec/blob/master/interpreter/host/js.ml */ |
| 'use strict'; |
| |
| let soft_validate = true; |
| |
| let spectest = { |
| print: print || ((...xs) => console.log(...xs)), |
| global: 666, |
| table: new WebAssembly.Table({initial: 10, maximum: 20, element: 'anyfunc'}), |
| memory: new WebAssembly.Memory({initial: 1, maximum: 2}),}; |
| |
| let registry = {spectest}; |
| let $$; |
| |
| function register(name, instance) { |
| registry[name] = instance.exports; |
| } |
| |
| function module(bytes) { |
| let buffer = new ArrayBuffer(bytes.length); |
| let view = new Uint8Array(buffer); |
| for (let i = 0; i < bytes.length; ++i) { |
| view[i] = bytes.charCodeAt(i); |
| } |
| return new WebAssembly.Module(buffer); |
| } |
| |
| function instance(bytes, imports = registry) { |
| return new WebAssembly.Instance(module(bytes), imports); |
| } |
| |
| function assert_malformed(bytes) { |
| try { module(bytes) } catch (e) { |
| if (e instanceof WebAssembly.CompileError) return; |
| } |
| throw new Error("Wasm decoding failure expected"); |
| } |
| |
| function assert_invalid(bytes) { |
| try { module(bytes) } catch (e) { |
| if (e instanceof WebAssembly.CompileError) return; |
| } |
| throw new Error("Wasm validation failure expected"); |
| } |
| |
| function assert_soft_invalid(bytes) { |
| try { module(bytes) } catch (e) { |
| if (e instanceof WebAssembly.CompileError) return; |
| throw new Error("Wasm validation failure expected"); |
| } |
| if (soft_validate) |
| throw new Error("Wasm validation failure expected"); |
| } |
| |
| function assert_unlinkable(bytes) { |
| let mod = module(bytes); |
| try { new WebAssembly.Instance(mod, registry) } catch (e) { |
| if (e instanceof TypeError) return; |
| } |
| throw new Error("Wasm linking failure expected"); |
| } |
| |
| function assert_uninstantiable(bytes) { |
| let mod = module(bytes); |
| try { new WebAssembly.Instance(mod, registry) } catch (e) { |
| if (e instanceof WebAssembly.RuntimeError) return; |
| } |
| throw new Error("Wasm trap expected"); |
| } |
| |
| function assert_trap(action) { |
| try { action() } catch (e) { |
| if (e instanceof WebAssembly.RuntimeError) return; |
| } |
| throw new Error("Wasm trap expected"); |
| } |
| |
| function assert_return(action, expected) { |
| let actual = action(); |
| if (!Object.is(actual, expected)) { |
| throw new Error("Wasm return value " + expected + " expected, got " + actual); |
| }; |
| } |
| |
| function assert_return_nan(action) { |
| let actual = action(); |
| if (!Number.isNaN(actual)) { |
| throw new Error("Wasm return value NaN expected, got " + actual); |
| }; |
| } |
| |
| let f32 = Math.fround; |
| |
| assert_invalid("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x04\x01\x60\x00\x00\x03\x02\x01\x00\x08\x01\x01\x0a\x04\x01\x02\x00\x0b"); |
| assert_invalid("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x05\x01\x60\x00\x01\x7f\x03\x02\x01\x00\x08\x01\x00\x0a\x07\x01\x05\x00\x41\x00\x0f\x0b"); |
| assert_invalid("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x05\x01\x60\x01\x7f\x00\x03\x02\x01\x00\x08\x01\x00\x0a\x04\x01\x02\x00\x0b"); |
| $$ = instance("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x08\x02\x60\x00\x00\x60\x00\x01\x7f\x03\x04\x03\x00\x01\x00\x05\x04\x01\x01\x01\x01\x07\x0d\x02\x03\x69\x6e\x63\x00\x00\x03\x67\x65\x74\x00\x01\x08\x01\x02\x0a\x23\x03\x0f\x00\x41\x00\x41\x00\x2d\x00\x00\x41\x01\x6a\x3a\x00\x00\x0b\x08\x00\x41\x00\x2d\x00\x00\x0f\x0b\x08\x00\x10\x00\x10\x00\x10\x00\x0b\x0b\x07\x01\x00\x41\x00\x0b\x01\x41"); |
| assert_return(() => $$.exports["get"](), 68); |
| $$.exports["inc"](); |
| assert_return(() => $$.exports["get"](), 69); |
| $$.exports["inc"](); |
| assert_return(() => $$.exports["get"](), 70); |
| $$ = instance("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x08\x02\x60\x00\x00\x60\x00\x01\x7f\x03\x04\x03\x00\x01\x00\x05\x04\x01\x01\x01\x01\x07\x0d\x02\x03\x69\x6e\x63\x00\x00\x03\x67\x65\x74\x00\x01\x08\x01\x02\x0a\x23\x03\x0f\x00\x41\x00\x41\x00\x2d\x00\x00\x41\x01\x6a\x3a\x00\x00\x0b\x08\x00\x41\x00\x2d\x00\x00\x0f\x0b\x08\x00\x10\x00\x10\x00\x10\x00\x0b\x0b\x07\x01\x00\x41\x00\x0b\x01\x41"); |
| assert_return(() => $$.exports["get"](), 68); |
| $$.exports["inc"](); |
| assert_return(() => $$.exports["get"](), 69); |
| $$.exports["inc"](); |
| assert_return(() => $$.exports["get"](), 70); |
| $$ = instance("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x08\x02\x60\x01\x7f\x00\x60\x00\x00\x02\x12\x01\x08\x73\x70\x65\x63\x74\x65\x73\x74\x05\x70\x72\x69\x6e\x74\x00\x00\x03\x02\x01\x01\x08\x01\x01\x0a\x08\x01\x06\x00\x41\x01\x10\x00\x0b"); |
| $$ = instance("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x08\x02\x60\x01\x7f\x00\x60\x00\x00\x02\x12\x01\x08\x73\x70\x65\x63\x74\x65\x73\x74\x05\x70\x72\x69\x6e\x74\x00\x00\x03\x02\x01\x01\x08\x01\x01\x0a\x08\x01\x06\x00\x41\x02\x10\x00\x0b"); |
| $$ = instance("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x04\x01\x60\x00\x00\x02\x12\x01\x08\x73\x70\x65\x63\x74\x65\x73\x74\x05\x70\x72\x69\x6e\x74\x00\x00\x08\x01\x00"); |
| assert_uninstantiable("\x00\x61\x73\x6d\x0d\x00\x00\x00\x01\x04\x01\x60\x00\x00\x03\x02\x01\x00\x08\x01\x00\x0a\x05\x01\x03\x00\x00\x0b"); |