| // Copyright 2023 The Tint 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 implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "src/tint/lang/core/ir/swizzle.h" |
| |
| #include "gmock/gmock.h" |
| #include "gtest/gtest-spi.h" |
| #include "src/tint/lang/core/ir/ir_helper_test.h" |
| |
| using namespace tint::builtin::fluent_types; // NOLINT |
| |
| namespace tint::ir { |
| namespace { |
| |
| using IR_SwizzleTest = IRTestHelper; |
| |
| TEST_F(IR_SwizzleTest, SetsUsage) { |
| auto* var = b.Var(ty.ptr<function, i32>()); |
| auto* a = b.Swizzle(mod.Types().i32(), var, {1u}); |
| |
| EXPECT_THAT(var->Result()->Usages(), testing::UnorderedElementsAre(Usage{a, 0u})); |
| } |
| |
| TEST_F(IR_SwizzleTest, Results) { |
| auto* var = b.Var(ty.ptr<function, i32>()); |
| auto* a = b.Swizzle(mod.Types().i32(), var, {1u}); |
| |
| EXPECT_TRUE(a->HasResults()); |
| EXPECT_FALSE(a->HasMultiResults()); |
| EXPECT_TRUE(a->Result()->Is<InstructionResult>()); |
| EXPECT_EQ(a->Result()->Source(), a); |
| } |
| |
| TEST_F(IR_SwizzleTest, Fail_NullType) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* var = b.Var(mod.Types().ptr<function, i32>()); |
| b.Swizzle(nullptr, var, {1u}); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_SwizzleTest, Fail_EmptyIndices) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* var = b.Var(mod.Types().ptr<function, i32>()); |
| b.Swizzle(mod.Types().i32(), var, tint::Empty); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_SwizzleTest, Fail_TooManyIndices) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* var = b.Var(mod.Types().ptr<function, i32>()); |
| b.Swizzle(mod.Types().i32(), var, {1u, 1u, 1u, 1u, 1u}); |
| }, |
| ""); |
| } |
| |
| TEST_F(IR_SwizzleTest, Fail_IndexOutOfRange) { |
| EXPECT_FATAL_FAILURE( |
| { |
| Module mod; |
| Builder b{mod}; |
| auto* var = b.Var(mod.Types().ptr<function, i32>()); |
| b.Swizzle(mod.Types().i32(), var, {4u}); |
| }, |
| ""); |
| } |
| |
| } // namespace |
| } // namespace tint::ir |