1 // Copyright 2021 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 #include "src/writer/glsl/test_helper.h"
16
17 namespace tint {
18 namespace writer {
19 namespace glsl {
20 namespace {
21
22 using GlslGeneratorImplTest_Cast = TestHelper;
23
TEST_F(GlslGeneratorImplTest_Cast,EmitExpression_Cast_Scalar)24 TEST_F(GlslGeneratorImplTest_Cast, EmitExpression_Cast_Scalar) {
25 auto* cast = Construct<f32>(1);
26 WrapInFunction(cast);
27
28 GeneratorImpl& gen = Build();
29
30 std::stringstream out;
31 ASSERT_TRUE(gen.EmitExpression(out, cast)) << gen.error();
32 EXPECT_EQ(out.str(), "float(1)");
33 }
34
TEST_F(GlslGeneratorImplTest_Cast,EmitExpression_Cast_Vector)35 TEST_F(GlslGeneratorImplTest_Cast, EmitExpression_Cast_Vector) {
36 auto* cast = vec3<f32>(vec3<i32>(1, 2, 3));
37 WrapInFunction(cast);
38
39 GeneratorImpl& gen = Build();
40
41 std::stringstream out;
42 ASSERT_TRUE(gen.EmitExpression(out, cast)) << gen.error();
43 EXPECT_EQ(out.str(), "vec3(ivec3(1, 2, 3))");
44 }
45
46 } // namespace
47 } // namespace glsl
48 } // namespace writer
49 } // namespace tint
50