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-rw-r--r--deps/v8/test/unittests/wasm/encoder-unittest.cc196
1 files changed, 3 insertions, 193 deletions
diff --git a/deps/v8/test/unittests/wasm/encoder-unittest.cc b/deps/v8/test/unittests/wasm/encoder-unittest.cc
index 740c0540dc..47885e697d 100644
--- a/deps/v8/test/unittests/wasm/encoder-unittest.cc
+++ b/deps/v8/test/unittests/wasm/encoder-unittest.cc
@@ -9,6 +9,8 @@
#include "src/wasm/ast-decoder.h"
#include "src/wasm/encoder.h"
+#include "test/cctest/wasm/test-signatures.h"
+
namespace v8 {
namespace internal {
namespace wasm {
@@ -17,202 +19,10 @@ class EncoderTest : public TestWithZone {
protected:
void AddLocal(WasmFunctionBuilder* f, LocalType type) {
uint16_t index = f->AddLocal(type);
- const std::vector<uint8_t>& out_index = UnsignedLEB128From(index);
- std::vector<uint8_t> code;
- code.push_back(kExprGetLocal);
- for (size_t i = 0; i < out_index.size(); i++) {
- code.push_back(out_index.at(i));
- }
- uint32_t local_indices[] = {1};
- f->EmitCode(&code[0], static_cast<uint32_t>(code.size()), local_indices, 1);
- }
-
- void CheckReadValue(uint8_t* leb_value, uint32_t expected_result,
- int expected_length,
- ReadUnsignedLEB128ErrorCode expected_error_code) {
- int length;
- uint32_t result;
- ReadUnsignedLEB128ErrorCode error_code =
- ReadUnsignedLEB128Operand(leb_value, leb_value + 5, &length, &result);
- CHECK_EQ(error_code, expected_error_code);
- if (error_code == 0) {
- CHECK_EQ(result, expected_result);
- CHECK_EQ(length, expected_length);
- }
- }
-
- void CheckWriteValue(uint32_t input, int length, uint8_t* vals) {
- const std::vector<uint8_t> result = UnsignedLEB128From(input);
- CHECK_EQ(result.size(), length);
- for (int i = 0; i < length; i++) {
- CHECK_EQ(result.at(i), vals[i]);
- }
+ f->EmitGetLocal(index);
}
};
-
-TEST_F(EncoderTest, Function_Builder_Variable_Indexing) {
- base::AccountingAllocator allocator;
- Zone zone(&allocator);
- WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
- uint16_t f_index = builder->AddFunction();
- WasmFunctionBuilder* function = builder->FunctionAt(f_index);
- uint16_t local_f32 = function->AddLocal(kAstF32);
- uint16_t param_float32 = function->AddParam(kAstF32);
- uint16_t local_i32 = function->AddLocal(kAstI32);
- uint16_t local_f64 = function->AddLocal(kAstF64);
- uint16_t local_i64 = function->AddLocal(kAstI64);
- uint16_t param_int32 = function->AddParam(kAstI32);
- uint16_t local_i32_2 = function->AddLocal(kAstI32);
-
- byte code[] = {kExprGetLocal, static_cast<uint8_t>(param_float32)};
- uint32_t local_indices[] = {1};
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(param_int32);
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(local_i32);
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(local_i32_2);
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(local_i64);
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(local_f32);
- function->EmitCode(code, sizeof(code), local_indices, 1);
- code[1] = static_cast<uint8_t>(local_f64);
- function->EmitCode(code, sizeof(code), local_indices, 1);
-
- WasmFunctionEncoder* f = function->Build(&zone, builder);
- ZoneVector<uint8_t> buffer_vector(f->HeaderSize() + f->BodySize(), &zone);
- byte* buffer = &buffer_vector[0];
- byte* header = buffer;
- byte* body = buffer + f->HeaderSize();
- f->Serialize(buffer, &header, &body);
-}
-
-
-TEST_F(EncoderTest, Function_Builder_Indexing_Variable_Width) {
- base::AccountingAllocator allocator;
- Zone zone(&allocator);
- WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
- uint16_t f_index = builder->AddFunction();
- WasmFunctionBuilder* function = builder->FunctionAt(f_index);
- for (size_t i = 0; i < 128; i++) {
- AddLocal(function, kAstF32);
- }
- AddLocal(function, kAstI32);
-
- WasmFunctionEncoder* f = function->Build(&zone, builder);
- ZoneVector<uint8_t> buffer_vector(f->HeaderSize() + f->BodySize(), &zone);
- byte* buffer = &buffer_vector[0];
- byte* header = buffer;
- byte* body = buffer + f->HeaderSize();
- f->Serialize(buffer, &header, &body);
- body = buffer + f->HeaderSize();
-}
-
-TEST_F(EncoderTest, Function_Builder_Block_Variable_Width) {
- base::AccountingAllocator allocator;
- Zone zone(&allocator);
- WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
- uint16_t f_index = builder->AddFunction();
- WasmFunctionBuilder* function = builder->FunctionAt(f_index);
- function->EmitWithVarInt(kExprBlock, 200);
- for (int i = 0; i < 200; ++i) {
- function->Emit(kExprNop);
- }
-
- WasmFunctionEncoder* f = function->Build(&zone, builder);
- CHECK_EQ(f->BodySize(), 204);
-}
-
-TEST_F(EncoderTest, Function_Builder_EmitEditableVarIntImmediate) {
- base::AccountingAllocator allocator;
- Zone zone(&allocator);
- WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
- uint16_t f_index = builder->AddFunction();
- WasmFunctionBuilder* function = builder->FunctionAt(f_index);
- function->Emit(kExprLoop);
- uint32_t offset = function->EmitEditableVarIntImmediate();
- for (int i = 0; i < 200; ++i) {
- function->Emit(kExprNop);
- }
- function->EditVarIntImmediate(offset, 200);
-
- WasmFunctionEncoder* f = function->Build(&zone, builder);
- CHECK_EQ(f->BodySize(), 204);
-}
-
-TEST_F(EncoderTest, Function_Builder_EmitEditableVarIntImmediate_Locals) {
- base::AccountingAllocator allocator;
- Zone zone(&allocator);
- WasmModuleBuilder* builder = new (&zone) WasmModuleBuilder(&zone);
- uint16_t f_index = builder->AddFunction();
- WasmFunctionBuilder* function = builder->FunctionAt(f_index);
- function->Emit(kExprBlock);
- uint32_t offset = function->EmitEditableVarIntImmediate();
- for (int i = 0; i < 200; ++i) {
- AddLocal(function, kAstI32);
- }
- function->EditVarIntImmediate(offset, 200);
-
- WasmFunctionEncoder* f = function->Build(&zone, builder);
- ZoneVector<uint8_t> buffer_vector(f->HeaderSize() + f->BodySize(), &zone);
- byte* buffer = &buffer_vector[0];
- byte* header = buffer;
- byte* body = buffer + f->HeaderSize();
- f->Serialize(buffer, &header, &body);
- body = buffer + f->HeaderSize();
-
- CHECK_EQ(f->BodySize(), 479);
- const uint8_t varint200_low = (200 & 0x7f) | 0x80;
- const uint8_t varint200_high = (200 >> 7) & 0x7f;
- offset = 0;
- CHECK_EQ(body[offset++], 1); // Local decl count.
- CHECK_EQ(body[offset++], varint200_low);
- CHECK_EQ(body[offset++], varint200_high);
- CHECK_EQ(body[offset++], kLocalI32);
- CHECK_EQ(body[offset++], kExprBlock);
- CHECK_EQ(body[offset++], varint200_low);
- CHECK_EQ(body[offset++], varint200_high);
- // GetLocal with one-byte indices.
- for (int i = 0; i <= 127; ++i) {
- CHECK_EQ(body[offset++], kExprGetLocal);
- CHECK_EQ(body[offset++], i);
- }
- // GetLocal with two-byte indices.
- for (int i = 128; i < 200; ++i) {
- CHECK_EQ(body[offset++], kExprGetLocal);
- CHECK_EQ(body[offset++], (i & 0x7f) | 0x80);
- CHECK_EQ(body[offset++], (i >> 7) & 0x7f);
- }
- CHECK_EQ(offset, 479);
-}
-
-TEST_F(EncoderTest, LEB_Functions) {
- byte leb_value[5] = {0, 0, 0, 0, 0};
- CheckReadValue(leb_value, 0, 1, kNoError);
- CheckWriteValue(0, 1, leb_value);
- leb_value[0] = 23;
- CheckReadValue(leb_value, 23, 1, kNoError);
- CheckWriteValue(23, 1, leb_value);
- leb_value[0] = 0x80;
- leb_value[1] = 0x01;
- CheckReadValue(leb_value, 128, 2, kNoError);
- CheckWriteValue(128, 2, leb_value);
- leb_value[0] = 0x80;
- leb_value[1] = 0x80;
- leb_value[2] = 0x80;
- leb_value[3] = 0x80;
- leb_value[4] = 0x01;
- CheckReadValue(leb_value, 0x10000000, 5, kNoError);
- CheckWriteValue(0x10000000, 5, leb_value);
- leb_value[0] = 0x80;
- leb_value[1] = 0x80;
- leb_value[2] = 0x80;
- leb_value[3] = 0x80;
- leb_value[4] = 0x80;
- CheckReadValue(leb_value, -1, -1, kInvalidLEB128);
-}
} // namespace wasm
} // namespace internal
} // namespace v8
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