| // Copyright 2021 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package c |
| |
| import ( |
| "bytes" |
| "fmt" |
| "text/template" |
| |
| gidlconfig "go.fuchsia.dev/fuchsia/tools/fidl/gidl/config" |
| libhlcpp "go.fuchsia.dev/fuchsia/tools/fidl/gidl/hlcpp" |
| gidlir "go.fuchsia.dev/fuchsia/tools/fidl/gidl/ir" |
| libllcpp "go.fuchsia.dev/fuchsia/tools/fidl/gidl/llcpp/lib" |
| gidlmixer "go.fuchsia.dev/fuchsia/tools/fidl/gidl/mixer" |
| "go.fuchsia.dev/fuchsia/tools/fidl/lib/fidlgen" |
| ) |
| |
| var conformanceTmpl = template.Must(template.New("tmpl").Parse(` |
| #include <iostream> |
| #include <string> |
| #include <utility> |
| #include <vector> |
| |
| #include <conformance/llcpp/fidl.h> |
| #include <gtest/gtest.h> |
| |
| #include "src/lib/fidl/c/walker_tests/conformance_test_utils.h" |
| |
| #ifdef __Fuchsia__ |
| #include <zircon/syscalls.h> |
| #include "sdk/cts/tests/pkg/fidl/cpp/test/handle_util.h" |
| #endif |
| |
| {{ range .DecodeSuccessCases }} |
| {{- if .FuchsiaOnly }} |
| #ifdef __Fuchsia__ |
| {{- end }} |
| TEST(C_Conformance, {{ .Name }}_Decode) { |
| {{- if .HandleDefs }} |
| const std::vector<zx_handle_t> handle_defs = {{ .HandleDefs }}; |
| {{- end }} |
| [[maybe_unused]] fidl::FidlAllocator<ZX_CHANNEL_MAX_MSG_BYTES> allocator; |
| {{ .ValueBuild }} |
| std::vector<uint8_t> bytes = {{ .Bytes }}; |
| std::vector<zx_handle_t> handles = {{ .Handles }}; |
| auto obj = {{ .ValueVar }}; |
| EXPECT_TRUE(c_conformance_utils::DecodeSuccess(decltype(obj)::Type, std::move(bytes), std::move(handles))); |
| } |
| {{- if .FuchsiaOnly }} |
| #endif // __Fuchsia__ |
| {{- end }} |
| {{ end }} |
| |
| {{ range .DecodeFailureCases }} |
| {{- if .FuchsiaOnly }} |
| #ifdef __Fuchsia__ |
| {{- end }} |
| TEST(C_Conformance, {{ .Name }}_Decode_Failure) { |
| {{- if .HandleDefs }} |
| const std::vector<zx_handle_t> handle_defs = {{ .HandleDefs }}; |
| {{- end }} |
| std::vector<uint8_t> bytes = {{ .Bytes }}; |
| std::vector<zx_handle_t> handles = {{ .Handles }}; |
| EXPECT_TRUE(c_conformance_utils::DecodeFailure({{ .ValueType }}::Type, std::move(bytes), std::move(handles), {{ .ErrorCode }})); |
| {{- if .HandleDefs }} |
| for (const zx_handle_t handle : handle_defs) { |
| EXPECT_EQ(ZX_ERR_BAD_HANDLE, zx_object_get_info(handle, ZX_INFO_HANDLE_VALID, nullptr, 0, nullptr, nullptr)); |
| } |
| {{- end }} |
| } |
| {{- if .FuchsiaOnly }} |
| #endif // __Fuchsia__ |
| {{- end }} |
| {{ end }} |
| `)) |
| |
| type conformanceTmplInput struct { |
| DecodeSuccessCases []decodeSuccessCase |
| DecodeFailureCases []decodeFailureCase |
| } |
| |
| type decodeSuccessCase struct { |
| Name, HandleDefs, ValueBuild, ValueVar, Bytes, Handles string |
| FuchsiaOnly bool |
| } |
| |
| type decodeFailureCase struct { |
| Name, HandleDefs, ValueType, Bytes, Handles, ErrorCode string |
| FuchsiaOnly bool |
| } |
| |
| // Generate generates C tests. |
| func GenerateConformanceTests(gidl gidlir.All, fidl fidlgen.Root, config gidlconfig.GeneratorConfig) ([]byte, error) { |
| schema := gidlmixer.BuildSchema(fidl) |
| decodeSuccessCases, err := decodeSuccessCases(gidl.DecodeSuccess, schema) |
| if err != nil { |
| return nil, err |
| } |
| decodeFailureCases, err := decodeFailureCases(gidl.DecodeFailure, schema) |
| if err != nil { |
| return nil, err |
| } |
| var buf bytes.Buffer |
| err = conformanceTmpl.Execute(&buf, conformanceTmplInput{ |
| DecodeSuccessCases: decodeSuccessCases, |
| DecodeFailureCases: decodeFailureCases, |
| }) |
| return buf.Bytes(), err |
| } |
| |
| func decodeSuccessCases(gidlDecodeSuccesses []gidlir.DecodeSuccess, schema gidlmixer.Schema) ([]decodeSuccessCase, error) { |
| var decodeSuccessCases []decodeSuccessCase |
| for _, decodeSuccess := range gidlDecodeSuccesses { |
| decl, err := schema.ExtractDeclaration(decodeSuccess.Value, decodeSuccess.HandleDefs) |
| if err != nil { |
| return nil, fmt.Errorf("decode success %s: %s", decodeSuccess.Name, err) |
| } |
| if gidlir.ContainsUnknownField(decodeSuccess.Value) { |
| continue |
| } |
| handleDefs := libhlcpp.BuildHandleDefs(decodeSuccess.HandleDefs) |
| valueBuild, valueVar := libllcpp.BuildValueAllocator("allocator", decodeSuccess.Value, decl, libllcpp.HandleReprRaw) |
| fuchsiaOnly := decl.IsResourceType() || len(decodeSuccess.HandleDefs) > 0 |
| for _, encoding := range decodeSuccess.Encodings { |
| if !wireFormatSupported(encoding.WireFormat) { |
| continue |
| } |
| decodeSuccessCases = append(decodeSuccessCases, decodeSuccessCase{ |
| Name: testCaseName(decodeSuccess.Name, encoding.WireFormat), |
| HandleDefs: handleDefs, |
| ValueBuild: valueBuild, |
| ValueVar: valueVar, |
| Bytes: libhlcpp.BuildBytes(encoding.Bytes), |
| Handles: libhlcpp.BuildRawHandles(encoding.Handles), |
| FuchsiaOnly: fuchsiaOnly, |
| }) |
| } |
| } |
| return decodeSuccessCases, nil |
| } |
| |
| func decodeFailureCases(gidlDecodeFailurees []gidlir.DecodeFailure, schema gidlmixer.Schema) ([]decodeFailureCase, error) { |
| var decodeFailureCases []decodeFailureCase |
| for _, decodeFailure := range gidlDecodeFailurees { |
| decl, err := schema.ExtractDeclarationByName(decodeFailure.Type) |
| if err != nil { |
| return nil, fmt.Errorf("decode failure %s: %s", decodeFailure.Name, err) |
| } |
| handleDefs := libhlcpp.BuildHandleDefs(decodeFailure.HandleDefs) |
| valueType := libllcpp.ConformanceType(decodeFailure.Type) |
| errorCode := libllcpp.LlcppErrorCode(decodeFailure.Err) |
| fuchsiaOnly := decl.IsResourceType() || len(decodeFailure.HandleDefs) > 0 |
| for _, encoding := range decodeFailure.Encodings { |
| if !wireFormatSupported(encoding.WireFormat) { |
| continue |
| } |
| decodeFailureCases = append(decodeFailureCases, decodeFailureCase{ |
| Name: decodeFailure.Name, |
| HandleDefs: handleDefs, |
| ValueType: valueType, |
| Bytes: libhlcpp.BuildBytes(encoding.Bytes), |
| Handles: libhlcpp.BuildRawHandles(encoding.Handles), |
| ErrorCode: errorCode, |
| FuchsiaOnly: fuchsiaOnly, |
| }) |
| } |
| } |
| return decodeFailureCases, nil |
| } |
| |
| func wireFormatSupported(wireFormat gidlir.WireFormat) bool { |
| return wireFormat == gidlir.V1WireFormat |
| } |
| |
| func testCaseName(baseName string, wireFormat gidlir.WireFormat) string { |
| return fmt.Sprintf("%s_%s", baseName, fidlgen.ToUpperCamelCase(wireFormat.String())) |
| } |