1 files changed, 25 insertions, 0 deletions
diff --git a/js/src/jit-test/tests/wasm/validate.js b/js/src/jit-test/tests/wasm/validate.js
new file mode 100644
index 000000000..bae409a51
--- /dev/null
+++ b/js/src/jit-test/tests/wasm/validate.js
@@ -0,0 +1,25 @@
+load(libdir + "wasm.js");
+
+const { validate } = WebAssembly;
+
+assertErrorMessage(() => validate(), Error, /requires more than 0 arguments/);
+
+const argError = /first argument must be an ArrayBuffer or typed array object/;
+assertErrorMessage(() => validate(null), Error, argError);
+assertErrorMessage(() => validate(true), Error, argError);
+assertErrorMessage(() => validate(42), Error, argError);
+assertErrorMessage(() => validate(NaN), Error, argError);
+assertErrorMessage(() => validate('yo'), Error, argError);
+assertErrorMessage(() => validate([]), Error, argError);
+assertErrorMessage(() => validate({}), Error, argError);
+assertErrorMessage(() => validate(Symbol.iterator), Error, argError);
+assertErrorMessage(() => validate({ valueOf: () => new ArrayBuffer(65536) }), Error, argError);
+
+assertEq(validate(wasmTextToBinary(`(module)`)), true);
+
+assertEq(validate(wasmTextToBinary(`(module (export "run" 0))`)), false);
+assertEq(validate(wasmTextToBinary(`(module (func) (export "run" 0))`)), true);
+
+// Feature-testing proof-of-concept.
+assertEq(validate(wasmTextToBinary(`(module (memory 1) (func (result i32) (current_memory)))`)), true);
+assertEq(validate(wasmTextToBinary(`(module (memory 1) (func (result i32) (grow_memory (i32.const 42))))`)), true);