1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
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, kWasmAnyRef, 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);
vec<ExportType*> export_types = module()->exports();
const vec<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 vec<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 vec<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
|
