1 files changed, 185 insertions, 0 deletions
diff --git a/testing/web-platform/tests/wasm/jsapi/module/exports.any.js b/testing/web-platform/tests/wasm/jsapi/module/exports.any.js
new file mode 100644
index 0000000000..0c32e984a2
--- /dev/null
+++ b/testing/web-platform/tests/wasm/jsapi/module/exports.any.js
@@ -0,0 +1,185 @@
+// META: global=window,dedicatedworker,jsshell,shadowrealm
+// META: script=/wasm/jsapi/wasm-module-builder.js
+
+let emptyModuleBinary;
+setup(() => {
+  emptyModuleBinary = new WasmModuleBuilder().toBuffer();
+});
+
+function assert_ModuleExportDescriptor(export_, expected) {
+  assert_equals(Object.getPrototypeOf(export_), Object.prototype, "Prototype");
+  assert_true(Object.isExtensible(export_), "isExtensible");
+
+  const name = Object.getOwnPropertyDescriptor(export_, "name");
+  assert_true(name.writable, "name: writable");
+  assert_true(name.enumerable, "name: enumerable");
+  assert_true(name.configurable, "name: configurable");
+  assert_equals(name.value, expected.name);
+
+  const kind = Object.getOwnPropertyDescriptor(export_, "kind");
+  assert_true(kind.writable, "kind: writable");
+  assert_true(kind.enumerable, "kind: enumerable");
+  assert_true(kind.configurable, "kind: configurable");
+  assert_equals(kind.value, expected.kind);
+}
+
+function assert_exports(exports, expected) {
+  assert_true(Array.isArray(exports), "Should be array");
+  assert_equals(Object.getPrototypeOf(exports), Array.prototype, "Prototype");
+  assert_true(Object.isExtensible(exports), "isExtensible");
+
+  assert_equals(exports.length, expected.length);
+  for (let i = 0; i < expected.length; ++i) {
+    assert_ModuleExportDescriptor(exports[i], expected[i]);
+  }
+}
+
+test(() => {
+  assert_throws_js(TypeError, () => WebAssembly.Module.exports());
+}, "Missing arguments");
+
+test(() => {
+  const invalidArguments = [
+    undefined,
+    null,
+    true,
+    "",
+    Symbol(),
+    1,
+    {},
+    WebAssembly.Module,
+    WebAssembly.Module.prototype,
+  ];
+  for (const argument of invalidArguments) {
+    assert_throws_js(TypeError, () => WebAssembly.Module.exports(argument),
+                     `exports(${format_value(argument)})`);
+  }
+}, "Non-Module arguments");
+
+test(() => {
+  const module = new WebAssembly.Module(emptyModuleBinary);
+  const fn = WebAssembly.Module.exports;
+  const thisValues = [
+    undefined,
+    null,
+    true,
+    "",
+    Symbol(),
+    1,
+    {},
+    WebAssembly.Module,
+    WebAssembly.Module.prototype,
+  ];
+  for (const thisValue of thisValues) {
+    assert_array_equals(fn.call(thisValue, module), []);
+  }
+}, "Branding");
+
+test(() => {
+  const module = new WebAssembly.Module(emptyModuleBinary);
+  const exports = WebAssembly.Module.exports(module);
+  assert_true(Array.isArray(exports));
+}, "Return type");
+
+test(() => {
+  const module = new WebAssembly.Module(emptyModuleBinary);
+  const exports = WebAssembly.Module.exports(module);
+  assert_exports(exports, []);
+}, "Empty module");
+
+test(() => {
+  const module = new WebAssembly.Module(emptyModuleBinary);
+  assert_not_equals(WebAssembly.Module.exports(module), WebAssembly.Module.exports(module));
+}, "Empty module: array caching");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+
+  builder
+    .addFunction("fn", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+  builder
+    .addFunction("fn2", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+
+  builder.setTableBounds(1);
+  builder.addExportOfKind("table", kExternalTable, 0);
+
+  builder.addGlobal(kWasmI32, true)
+    .exportAs("global")
+    .init = wasmI32Const(7);
+  builder.addGlobal(kWasmF64, true)
+    .exportAs("global2")
+    .init = wasmF64Const(1.2);
+
+  builder.addMemory(0, 256, true);
+
+  const buffer = builder.toBuffer()
+  const module = new WebAssembly.Module(buffer);
+  const exports = WebAssembly.Module.exports(module);
+  const expected = [
+    { "kind": "function", "name": "fn" },
+    { "kind": "function", "name": "fn2" },
+    { "kind": "table", "name": "table" },
+    { "kind": "global", "name": "global" },
+    { "kind": "global", "name": "global2" },
+    { "kind": "memory", "name": "memory" },
+  ];
+  assert_exports(exports, expected);
+}, "exports");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+
+  builder
+    .addFunction("", kSig_v_v)
+    .addBody([])
+    .exportFunc();
+
+  const buffer = builder.toBuffer()
+  const module = new WebAssembly.Module(buffer);
+  const exports = WebAssembly.Module.exports(module);
+  const expected = [
+    { "kind": "function", "name": "" },
+  ];
+  assert_exports(exports, expected);
+}, "exports with empty name: function");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+
+  builder.setTableBounds(1);
+  builder.addExportOfKind("", kExternalTable, 0);
+
+  const buffer = builder.toBuffer()
+  const module = new WebAssembly.Module(buffer);
+  const exports = WebAssembly.Module.exports(module);
+  const expected = [
+    { "kind": "table", "name": "" },
+  ];
+  assert_exports(exports, expected);
+}, "exports with empty name: table");
+
+test(() => {
+  const builder = new WasmModuleBuilder();
+
+  builder.addGlobal(kWasmI32, true)
+    .exportAs("")
+    .init = wasmI32Const(7);
+
+  const buffer = builder.toBuffer()
+  const module = new WebAssembly.Module(buffer);
+  const exports = WebAssembly.Module.exports(module);
+  const expected = [
+    { "kind": "global", "name": "" },
+  ];
+  assert_exports(exports, expected);
+}, "exports with empty name: global");
+
+test(() => {
+  const module = new WebAssembly.Module(emptyModuleBinary);
+  const exports = WebAssembly.Module.exports(module, {});
+  assert_exports(exports, []);
+}, "Stray argument");