Files
filament/tools/glslminifier/tests/test_glslminifier.cpp
2019-01-09 10:59:39 -08:00

131 lines
3.7 KiB
C++

/*
* Copyright 2018 The Android Open Source Project
*
* 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 <gtest/gtest.h>
#include "GlslMinify.h"
#include <string>
using std::string;
using namespace glslminifier;
class GlslminifierTest : public testing::Test {};
TEST_F(GlslminifierTest, EmptyString) {
EXPECT_EQ(minifyGlsl(""), "");
}
TEST_F(GlslminifierTest, GlslNoChanges) {
std::string glsl = R"glsl("void main() { gl_FragColor = vec4(1.0); })glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::ALL), glsl);
}
TEST_F(GlslminifierTest, RemoveSlashSlashComments) {
std::string glsl = R"glsl(
#version 330
void main() {// This is a comment at the end of a line.
// This is a comment, and this whole line should be removed.
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
// Another comment.
}
// This is a comment without a trailing newline.)glsl";
std::string expected = R"glsl(
#version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_COMMENTS), expected);
}
TEST_F(GlslminifierTest, RemoveStarComments) {
std::string glsl = R"glsl(
#version 330
void main() { /* this is a comment block at the end of a line */
/* this is a comment block
that spans
multiple lines */
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
/* this is another comment block */
}
)glsl";
std::string expected = R"glsl(
#version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_COMMENTS), expected);
}
TEST_F(GlslminifierTest, RemoveBlankLines) {
std::string glsl = R"glsl(
#version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
std::string expected = R"glsl(
#version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_EMPTY_LINES), expected);
}
TEST_F(GlslminifierTest, RemoveBlankLinesWindows) {
std::string glsl = "line one\r\n\r\n\r\nline two";
std::string expected = "line one\r\nline two";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_EMPTY_LINES), expected);
}
TEST_F(GlslminifierTest, RemoveIndentation) {
std::string glsl = R"glsl( #version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
std::string expected = R"glsl(#version 330
void main() {
gl_FragColor = vec4(2.0 / 4.0, 0.0, 0.0, 1.0);
}
)glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_INDENTATION), expected);
}
TEST_F(GlslminifierTest, TrailingNewline) {
// Ensure trailing newlines are acceptable when stripping identation.
std::string glsl = R"glsl(trailing newline;
)glsl";
EXPECT_EQ(minifyGlsl(glsl, GlslMinifyOptions::STRIP_INDENTATION), glsl);
}
int main(int argc, char** argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}