Import Cobalt 21.master.0.301323
diff --git a/src/third_party/v8/test/wasm-api-tests/reflect.cc b/src/third_party/v8/test/wasm-api-tests/reflect.cc
new file mode 100644
index 0000000..1a9d6fb
--- /dev/null
+++ b/src/third_party/v8/test/wasm-api-tests/reflect.cc
@@ -0,0 +1,109 @@
+// Copyright 2019 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "test/wasm-api-tests/wasm-api-test.h"
+
+#include "src/execution/isolate.h"
+#include "src/heap/heap.h"
+#include "src/wasm/c-api.h"
+
+namespace v8 {
+namespace internal {
+namespace wasm {
+
+using ::wasm::ExportType;
+using ::wasm::GlobalType;
+using ::wasm::MemoryType;
+using ::wasm::TableType;
+
+namespace {
+
+const char* kFuncName = "func1";
+const char* kGlobalName = "global2";
+const char* kTableName = "table3";
+const char* kMemoryName = "memory4";
+
+void ExpectName(const char* expected, const ::wasm::Name& name) {
+ size_t len = strlen(expected);
+ EXPECT_EQ(len, name.size());
+ EXPECT_EQ(0, strncmp(expected, name.get(), len));
+}
+
+} // namespace
+
+TEST_F(WasmCapiTest, Reflect) {
+ // Create a module exporting a function, a global, a table, and a memory.
+ byte code[] = {WASM_UNREACHABLE};
+ ValueType types[] = {kWasmI32, kWasmExternRef, kWasmI32,
+ kWasmI64, kWasmF32, kWasmF64};
+ FunctionSig sig(2, 4, types);
+ AddExportedFunction(CStrVector(kFuncName), code, sizeof(code), &sig);
+
+ builder()->AddExportedGlobal(kWasmF64, false, WasmInitExpr(0.0),
+ CStrVector(kGlobalName));
+
+ builder()->AllocateIndirectFunctions(12);
+ builder()->AddExport(CStrVector(kTableName), kExternalTable, 0);
+
+ builder()->SetMinMemorySize(1);
+ builder()->AddExport(CStrVector(kMemoryName), kExternalMemory, 0);
+
+ Instantiate(nullptr);
+
+ ownvec<ExportType> export_types = module()->exports();
+ const ownvec<Extern>& exports = this->exports();
+ EXPECT_EQ(exports.size(), export_types.size());
+ EXPECT_EQ(4u, exports.size());
+ for (size_t i = 0; i < exports.size(); i++) {
+ ::wasm::ExternKind kind = exports[i]->kind();
+ const ::wasm::ExternType* extern_type = export_types[i]->type();
+ EXPECT_EQ(kind, extern_type->kind());
+ if (kind == ::wasm::EXTERN_FUNC) {
+ ExpectName(kFuncName, export_types[i]->name());
+ const FuncType* type = extern_type->func();
+ const ownvec<ValType>& params = type->params();
+ EXPECT_EQ(4u, params.size());
+ EXPECT_EQ(::wasm::I32, params[0]->kind());
+ EXPECT_EQ(::wasm::I64, params[1]->kind());
+ EXPECT_EQ(::wasm::F32, params[2]->kind());
+ EXPECT_EQ(::wasm::F64, params[3]->kind());
+ const ownvec<ValType>& results = type->results();
+ EXPECT_EQ(2u, results.size());
+ EXPECT_EQ(::wasm::I32, results[0]->kind());
+ EXPECT_EQ(::wasm::ANYREF, results[1]->kind());
+
+ const Func* func = exports[i]->func();
+ EXPECT_EQ(4u, func->param_arity());
+ EXPECT_EQ(2u, func->result_arity());
+
+ } else if (kind == ::wasm::EXTERN_GLOBAL) {
+ ExpectName(kGlobalName, export_types[i]->name());
+ const GlobalType* type = extern_type->global();
+ EXPECT_EQ(::wasm::F64, type->content()->kind());
+ EXPECT_EQ(::wasm::CONST, type->mutability());
+
+ } else if (kind == ::wasm::EXTERN_TABLE) {
+ ExpectName(kTableName, export_types[i]->name());
+ const TableType* type = extern_type->table();
+ EXPECT_EQ(::wasm::FUNCREF, type->element()->kind());
+ ::wasm::Limits limits = type->limits();
+ EXPECT_EQ(12u, limits.min);
+ EXPECT_EQ(12u, limits.max);
+
+ } else if (kind == ::wasm::EXTERN_MEMORY) {
+ ExpectName(kMemoryName, export_types[i]->name());
+ const MemoryType* type = extern_type->memory();
+ ::wasm::Limits limits = type->limits();
+ EXPECT_EQ(1u, limits.min);
+ EXPECT_EQ(std::numeric_limits<uint32_t>::max(), limits.max);
+
+ } else {
+ UNREACHABLE();
+ }
+ }
+}
+
+} // namespace wasm
+} // namespace internal
+} // namespace v8
