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// Copyright 2019 The Amber Authors.
//
// 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 parseried.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gtest/gtest.h"
#include "src/amberscript/parser.h"
namespace amber {
namespace amberscript {
using AmberScriptParserTest = testing::Test;
TEST_F(AmberScriptParserTest, ClearColor) {
std::string in = R"(
SHADER vertex my_shader PASSTHROUGH
SHADER fragment my_fragment GLSL
# GLSL Shader
END
BUFFER my_fb FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics my_pipeline
ATTACH my_shader
ATTACH my_fragment
END
CLEAR_COLOR my_pipeline 255 128 64 32)";
Parser parser;
Result r = parser.Parse(in);
ASSERT_TRUE(r.IsSuccess()) << r.Error();
auto script = parser.GetScript();
const auto& commands = script->GetCommands();
ASSERT_EQ(1U, commands.size());
auto* cmd = commands[0].get();
ASSERT_TRUE(cmd->IsClearColor());
auto* clr = cmd->AsClearColor();
EXPECT_FLOAT_EQ(255.f / 255.f, clr->GetR());
EXPECT_FLOAT_EQ(128.f / 255.f, clr->GetG());
EXPECT_FLOAT_EQ(64.f / 255.f, clr->GetB());
EXPECT_FLOAT_EQ(32.f / 255.f, clr->GetA());
}
TEST_F(AmberScriptParserTest, ClearColorWithComputePipeline) {
std::string in = R"(
SHADER compute my_shader GLSL
# shader
END
PIPELINE compute my_pipeline
ATTACH my_shader
END
CLEAR_COLOR my_pipeline 255 128 64 32)";
Parser parser;
Result r = parser.Parse(in);
ASSERT_FALSE(r.IsSuccess());
EXPECT_EQ("10: CLEAR_COLOR command requires graphics pipeline", r.Error());
}
TEST_F(AmberScriptParserTest, ClearColorMissingPipeline) {
std::string in = "CLEAR_COLOR 255 255 255 255";
Parser parser;
Result r = parser.Parse(in);
ASSERT_FALSE(r.IsSuccess());
EXPECT_EQ("1: missing pipeline name for CLEAR_COLOR command", r.Error());
}
TEST_F(AmberScriptParserTest, ClearColorInvalidPipeline) {
std::string in = "CLEAR_COLOR unknown_pipeline 255 255 255 255";
Parser parser;
Result r = parser.Parse(in);
ASSERT_FALSE(r.IsSuccess());
EXPECT_EQ("1: unknown pipeline for CLEAR_COLOR command: unknown_pipeline",
r.Error());
}
struct ClearColorTestData {
std::string data;
std::string error;
};
using AmberScriptParserClearColorTest =
testing::TestWithParam<ClearColorTestData>;
TEST_P(AmberScriptParserClearColorTest, InvalidParams) {
auto test_data = GetParam();
std::string in = R"(
SHADER vertex my_shader PASSTHROUGH
SHADER fragment my_fragment GLSL
# GLSL Shader
END
BUFFER my_fb FORMAT R32G32B32A32_SFLOAT
PIPELINE graphics my_pipeline
ATTACH my_shader
ATTACH my_fragment
END
CLEAR_COLOR my_pipeline )" +
test_data.data;
Parser parser;
Result r = parser.Parse(in);
ASSERT_FALSE(r.IsSuccess()) << test_data.data;
EXPECT_EQ(std::string("13: ") + test_data.error, r.Error()) << test_data.data;
}
INSTANTIATE_TEST_SUITE_P(
AmberScriptParserClearColorTests,
AmberScriptParserClearColorTest,
testing::Values(
ClearColorTestData{"", "missing R value for CLEAR_COLOR command"},
ClearColorTestData{"255", "missing G value for CLEAR_COLOR command"},
ClearColorTestData{"255 255",
"missing B value for CLEAR_COLOR command"},
ClearColorTestData{"255 255 255",
"missing A value for CLEAR_COLOR command"},
ClearColorTestData{"INVALID 255 255 255",
"invalid R value for CLEAR_COLOR command: INVALID"},
ClearColorTestData{"255 INVALID 255 255",
"invalid G value for CLEAR_COLOR command: INVALID"},
ClearColorTestData{"255 255 INVALID 255",
"invalid B value for CLEAR_COLOR command: INVALID"},
ClearColorTestData{"255 255 255 INVALID",
"invalid A value for CLEAR_COLOR command: INVALID"},
ClearColorTestData{"255 255 255 255 EXTRA",
"extra parameters after CLEAR_COLOR command"},
ClearColorTestData{"-1 255 255 255",
"invalid R value for CLEAR_COLOR command: -1"},
ClearColorTestData{"5.2 255 255 255",
"invalid R value for CLEAR_COLOR command: 5.2"},
ClearColorTestData{"256 255 255 255",
"invalid R value for CLEAR_COLOR command: 256"},
ClearColorTestData{"255 -1 255 255",
"invalid G value for CLEAR_COLOR command: -1"},
ClearColorTestData{"255 5.2 255 255",
"invalid G value for CLEAR_COLOR command: 5.2"},
ClearColorTestData{"255 256 255 255",
"invalid G value for CLEAR_COLOR command: 256"},
ClearColorTestData{"255 255 -1 255",
"invalid B value for CLEAR_COLOR command: -1"},
ClearColorTestData{"255 255 5.2 255",
"invalid B value for CLEAR_COLOR command: 5.2"},
ClearColorTestData{"255 255 256 255",
"invalid B value for CLEAR_COLOR command: 256"},
ClearColorTestData{"255 255 255 -1",
"invalid A value for CLEAR_COLOR command: -1"},
ClearColorTestData{"255 255 255 5.2",
"invalid A value for CLEAR_COLOR command: 5.2"},
ClearColorTestData{"255 255 255 256",
"invalid A value for CLEAR_COLOR "
"command: 256"})); // NOLINT(whitespace/parens)
} // namespace amberscript
} // namespace amber
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