Kaido Kert | f309f9a | 2021-04-30 12:09:15 -0700 | [diff] [blame] | 1 | // Copyright 2019 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "test/wasm-api-tests/wasm-api-test.h" |
| 6 | |
| 7 | #include "src/execution/isolate.h" |
| 8 | #include "src/heap/heap.h" |
| 9 | #include "src/wasm/c-api.h" |
| 10 | |
| 11 | namespace v8 { |
| 12 | namespace internal { |
| 13 | namespace wasm { |
| 14 | |
| 15 | using ::wasm::ExportType; |
| 16 | using ::wasm::GlobalType; |
| 17 | using ::wasm::MemoryType; |
| 18 | using ::wasm::TableType; |
| 19 | |
| 20 | namespace { |
| 21 | |
| 22 | const char* kFuncName = "func1"; |
| 23 | const char* kGlobalName = "global2"; |
| 24 | const char* kTableName = "table3"; |
| 25 | const char* kMemoryName = "memory4"; |
| 26 | |
| 27 | void ExpectName(const char* expected, const ::wasm::Name& name) { |
| 28 | size_t len = strlen(expected); |
| 29 | EXPECT_EQ(len, name.size()); |
| 30 | EXPECT_EQ(0, strncmp(expected, name.get(), len)); |
| 31 | } |
| 32 | |
| 33 | } // namespace |
| 34 | |
| 35 | TEST_F(WasmCapiTest, Reflect) { |
| 36 | // Create a module exporting a function, a global, a table, and a memory. |
| 37 | byte code[] = {WASM_UNREACHABLE}; |
| 38 | ValueType types[] = {kWasmI32, kWasmExternRef, kWasmI32, |
| 39 | kWasmI64, kWasmF32, kWasmF64}; |
| 40 | FunctionSig sig(2, 4, types); |
| 41 | AddExportedFunction(CStrVector(kFuncName), code, sizeof(code), &sig); |
| 42 | |
| 43 | builder()->AddExportedGlobal(kWasmF64, false, WasmInitExpr(0.0), |
| 44 | CStrVector(kGlobalName)); |
| 45 | |
| 46 | builder()->AllocateIndirectFunctions(12); |
| 47 | builder()->AddExport(CStrVector(kTableName), kExternalTable, 0); |
| 48 | |
| 49 | builder()->SetMinMemorySize(1); |
| 50 | builder()->AddExport(CStrVector(kMemoryName), kExternalMemory, 0); |
| 51 | |
| 52 | Instantiate(nullptr); |
| 53 | |
| 54 | ownvec<ExportType> export_types = module()->exports(); |
| 55 | const ownvec<Extern>& exports = this->exports(); |
| 56 | EXPECT_EQ(exports.size(), export_types.size()); |
| 57 | EXPECT_EQ(4u, exports.size()); |
| 58 | for (size_t i = 0; i < exports.size(); i++) { |
| 59 | ::wasm::ExternKind kind = exports[i]->kind(); |
| 60 | const ::wasm::ExternType* extern_type = export_types[i]->type(); |
| 61 | EXPECT_EQ(kind, extern_type->kind()); |
| 62 | if (kind == ::wasm::EXTERN_FUNC) { |
| 63 | ExpectName(kFuncName, export_types[i]->name()); |
| 64 | const FuncType* type = extern_type->func(); |
| 65 | const ownvec<ValType>& params = type->params(); |
| 66 | EXPECT_EQ(4u, params.size()); |
| 67 | EXPECT_EQ(::wasm::I32, params[0]->kind()); |
| 68 | EXPECT_EQ(::wasm::I64, params[1]->kind()); |
| 69 | EXPECT_EQ(::wasm::F32, params[2]->kind()); |
| 70 | EXPECT_EQ(::wasm::F64, params[3]->kind()); |
| 71 | const ownvec<ValType>& results = type->results(); |
| 72 | EXPECT_EQ(2u, results.size()); |
| 73 | EXPECT_EQ(::wasm::I32, results[0]->kind()); |
| 74 | EXPECT_EQ(::wasm::ANYREF, results[1]->kind()); |
| 75 | |
| 76 | const Func* func = exports[i]->func(); |
| 77 | EXPECT_EQ(4u, func->param_arity()); |
| 78 | EXPECT_EQ(2u, func->result_arity()); |
| 79 | |
| 80 | } else if (kind == ::wasm::EXTERN_GLOBAL) { |
| 81 | ExpectName(kGlobalName, export_types[i]->name()); |
| 82 | const GlobalType* type = extern_type->global(); |
| 83 | EXPECT_EQ(::wasm::F64, type->content()->kind()); |
| 84 | EXPECT_EQ(::wasm::CONST, type->mutability()); |
| 85 | |
| 86 | } else if (kind == ::wasm::EXTERN_TABLE) { |
| 87 | ExpectName(kTableName, export_types[i]->name()); |
| 88 | const TableType* type = extern_type->table(); |
| 89 | EXPECT_EQ(::wasm::FUNCREF, type->element()->kind()); |
| 90 | ::wasm::Limits limits = type->limits(); |
| 91 | EXPECT_EQ(12u, limits.min); |
| 92 | EXPECT_EQ(12u, limits.max); |
| 93 | |
| 94 | } else if (kind == ::wasm::EXTERN_MEMORY) { |
| 95 | ExpectName(kMemoryName, export_types[i]->name()); |
| 96 | const MemoryType* type = extern_type->memory(); |
| 97 | ::wasm::Limits limits = type->limits(); |
| 98 | EXPECT_EQ(1u, limits.min); |
| 99 | EXPECT_EQ(std::numeric_limits<uint32_t>::max(), limits.max); |
| 100 | |
| 101 | } else { |
| 102 | UNREACHABLE(); |
| 103 | } |
| 104 | } |
| 105 | } |
| 106 | |
| 107 | } // namespace wasm |
| 108 | } // namespace internal |
| 109 | } // namespace v8 |