validate.js (1246B)
1 const { validate } = WebAssembly; 2 3 assertErrorMessage(() => validate(), Error, /At least 1 argument required/); 4 5 const argError = /first argument must be an ArrayBuffer or typed array object/; 6 assertErrorMessage(() => validate(null), Error, argError); 7 assertErrorMessage(() => validate(true), Error, argError); 8 assertErrorMessage(() => validate(42), Error, argError); 9 assertErrorMessage(() => validate(NaN), Error, argError); 10 assertErrorMessage(() => validate('yo'), Error, argError); 11 assertErrorMessage(() => validate([]), Error, argError); 12 assertErrorMessage(() => validate({}), Error, argError); 13 assertErrorMessage(() => validate(Symbol.iterator), Error, argError); 14 assertErrorMessage(() => validate({ valueOf: () => new ArrayBuffer(65536) }), Error, argError); 15 16 assertEq(validate(wasmTextToBinary(`(module)`)), true); 17 18 assertEq(validate(wasmTextToBinary(`(module (export "run" (func 0)))`)), false); 19 assertEq(validate(wasmTextToBinary(`(module (func) (export "run" (func 0)))`)), true); 20 21 // Feature-testing proof-of-concept. 22 assertEq(validate(wasmTextToBinary(`(module (memory 1) (func (result i32) (memory.size)))`)), true); 23 assertEq(validate(wasmTextToBinary(`(module (memory 1) (func (result i32) (memory.grow (i32.const 42))))`)), true);