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// Copyright (c) 2015-2016 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <algorithm>
#include <sstream>
#include <utility>
#include "gmock/gmock.h"
#include "test/unit_spirv.h"
namespace spvtools {
namespace {
using ::testing::Eq;
// Returns a newly created diagnostic value.
spv_diagnostic MakeValidDiagnostic() {
spv_position_t position = {};
spv_diagnostic diagnostic = spvDiagnosticCreate(&position, "");
EXPECT_NE(nullptr, diagnostic);
return diagnostic;
}
TEST(Diagnostic, DestroyNull) { spvDiagnosticDestroy(nullptr); }
TEST(Diagnostic, DestroyValidDiagnostic) {
spv_diagnostic diagnostic = MakeValidDiagnostic();
spvDiagnosticDestroy(diagnostic);
// We aren't allowed to use the diagnostic pointer anymore.
// So we can't test its behaviour.
}
TEST(Diagnostic, DestroyValidDiagnosticAfterReassignment) {
spv_diagnostic diagnostic = MakeValidDiagnostic();
spv_diagnostic second_diagnostic = MakeValidDiagnostic();
EXPECT_TRUE(diagnostic != second_diagnostic);
spvDiagnosticDestroy(diagnostic);
diagnostic = second_diagnostic;
spvDiagnosticDestroy(diagnostic);
}
TEST(Diagnostic, PrintDefault) {
char message[] = "Test Diagnostic!";
spv_diagnostic_t diagnostic = {{2, 3, 5}, message};
// TODO: Redirect stderr
ASSERT_EQ(SPV_SUCCESS, spvDiagnosticPrint(&diagnostic));
// TODO: Validate the output of spvDiagnosticPrint()
// TODO: Remove the redirection of stderr
}
TEST(Diagnostic, PrintInvalidDiagnostic) {
ASSERT_EQ(SPV_ERROR_INVALID_DIAGNOSTIC, spvDiagnosticPrint(nullptr));
}
// TODO(dneto): We should be able to redirect the diagnostic printing.
// Once we do that, we can test diagnostic corner cases.
TEST(DiagnosticStream, ConversionToResultType) {
// Check after the DiagnosticStream object is destroyed.
spv_result_t value;
{ value = DiagnosticStream({}, nullptr, "", SPV_ERROR_INVALID_TEXT); }
EXPECT_EQ(SPV_ERROR_INVALID_TEXT, value);
// Check implicit conversion via plain assignment.
value = DiagnosticStream({}, nullptr, "", SPV_SUCCESS);
EXPECT_EQ(SPV_SUCCESS, value);
// Check conversion via constructor.
EXPECT_EQ(SPV_FAILED_MATCH,
spv_result_t(DiagnosticStream({}, nullptr, "", SPV_FAILED_MATCH)));
}
TEST(
DiagnosticStream,
MoveConstructorPreservesPreviousMessagesAndPreventsOutputFromExpiringValue) {
std::ostringstream messages;
int message_count = 0;
auto consumer = [&messages, &message_count](spv_message_level_t, const char*,
const spv_position_t&,
const char* msg) {
message_count++;
messages << msg;
};
// Enclose the DiagnosticStream variables in a scope to force destruction.
{
DiagnosticStream ds0({}, consumer, "", SPV_ERROR_INVALID_BINARY);
ds0 << "First";
DiagnosticStream ds1(std::move(ds0));
ds1 << "Second";
}
EXPECT_THAT(message_count, Eq(1));
EXPECT_THAT(messages.str(), Eq("FirstSecond"));
}
TEST(DiagnosticStream, MoveConstructorCanBeDirectlyShiftedTo) {
std::ostringstream messages;
int message_count = 0;
auto consumer = [&messages, &message_count](spv_message_level_t, const char*,
const spv_position_t&,
const char* msg) {
message_count++;
messages << msg;
};
// Enclose the DiagnosticStream variables in a scope to force destruction.
{
DiagnosticStream ds0({}, consumer, "", SPV_ERROR_INVALID_BINARY);
ds0 << "First";
std::move(ds0) << "Second";
}
EXPECT_THAT(message_count, Eq(1));
EXPECT_THAT(messages.str(), Eq("FirstSecond"));
}
TEST(DiagnosticStream, DiagnosticFromLambdaReturnCanStillBeUsed) {
std::ostringstream messages;
int message_count = 0;
auto consumer = [&messages, &message_count](spv_message_level_t, const char*,
const spv_position_t&,
const char* msg) {
message_count++;
messages << msg;
};
{
auto emitter = [&consumer]() -> DiagnosticStream {
DiagnosticStream ds0({}, consumer, "", SPV_ERROR_INVALID_BINARY);
ds0 << "First";
return ds0;
};
emitter() << "Second";
}
EXPECT_THAT(message_count, Eq(1));
EXPECT_THAT(messages.str(), Eq("FirstSecond"));
}
} // namespace
} // namespace spvtools
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