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// Copyright 2021 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/resolver/resolver.h"
#include "src/resolver/resolver_test_helper.h"
#include "src/sem/atomic_type.h"
#include "src/sem/reference_type.h"
#include "gmock/gmock.h"
namespace tint {
namespace resolver {
namespace {
struct ResolverAtomicValidationTest : public resolver::TestHelper,
public testing::Test {};
TEST_F(ResolverAtomicValidationTest, StorageClass_WorkGroup) {
Global("a", ty.atomic(Source{{12, 34}}, ty.i32()),
ast::StorageClass::kWorkgroup);
EXPECT_TRUE(r()->Resolve());
}
TEST_F(ResolverAtomicValidationTest, StorageClass_Storage) {
auto* s = Structure("s", {Member("a", ty.atomic(Source{{12, 34}}, ty.i32()))},
{StructBlock()});
Global("g", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kReadWrite,
GroupAndBinding(0, 0));
EXPECT_TRUE(r()->Resolve()) << r()->error();
}
TEST_F(ResolverAtomicValidationTest, InvalidType) {
Global("a", ty.atomic(ty.f32(Source{{12, 34}})),
ast::StorageClass::kWorkgroup);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(), "12:34 error: atomic only supports i32 or u32 types");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_Simple) {
Global("a", ty.atomic(Source{{12, 34}}, ty.i32()),
ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: atomic variables must have <storage> or <workgroup> "
"storage class");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_Array) {
Global("a", ty.atomic(Source{{12, 34}}, ty.i32()),
ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: atomic variables must have <storage> or <workgroup> "
"storage class");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_Struct) {
auto* s =
Structure("s", {Member("a", ty.atomic(Source{{12, 34}}, ty.i32()))});
Global("g", ty.Of(s), ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"note: atomic sub-type of 's' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_StructOfStruct) {
// struct Inner { m : atomic<i32>; };
// struct Outer { m : array<Inner, 4>; };
// var<private> g : Outer;
auto* Inner =
Structure("Inner", {Member("m", ty.atomic(Source{{12, 34}}, ty.i32()))});
auto* Outer = Structure("Outer", {Member("m", ty.Of(Inner))});
Global("g", ty.Of(Outer), ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"note: atomic sub-type of 'Outer' is declared here");
}
TEST_F(ResolverAtomicValidationTest,
InvalidStorageClass_StructOfStructOfArray) {
// struct Inner { m : array<atomic<i32>, 4>; };
// struct Outer { m : array<Inner, 4>; };
// var<private> g : Outer;
auto* Inner =
Structure("Inner", {Member(Source{{12, 34}}, "m", ty.atomic(ty.i32()))});
auto* Outer = Structure("Outer", {Member("m", ty.Of(Inner))});
Global("g", ty.Of(Outer), ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"12:34 note: atomic sub-type of 'Outer' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_ArrayOfArray) {
// type AtomicArray = array<atomic<i32>, 5>;
// var<private> v: array<s, 5>;
auto* atomic_array = Alias(Source{{12, 34}}, "AtomicArray",
ty.atomic(Source{{12, 34}}, ty.i32()));
Global(Source{{56, 78}}, "v", ty.Of(atomic_array),
ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_ArrayOfStruct) {
// struct S{
// m: atomic<u32>;
// };
// var<private> v: array<S, 5>;
auto* s = Structure("S", {Member("m", ty.atomic<u32>())});
Global(Source{{56, 78}}, "v", ty.array(ty.Of(s), 5),
ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"note: atomic sub-type of 'array<S, 5>' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_ArrayOfStructOfArray) {
// type AtomicArray = array<atomic<i32>, 5>;
// struct S{
// m: AtomicArray;
// };
// var<private> v: array<S, 5>;
auto* atomic_array = Alias(Source{{12, 34}}, "AtomicArray",
ty.atomic(Source{{12, 34}}, ty.i32()));
auto* s = Structure("S", {Member("m", ty.Of(atomic_array))});
Global(Source{{56, 78}}, "v", ty.array(ty.Of(s), 5),
ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"note: atomic sub-type of 'array<S, 5>' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidStorageClass_Complex) {
// type AtomicArray = array<atomic<i32>, 5>;
// struct S6 { x: array<i32, 4>; };
// struct S5 { x: S6;
// y: AtomicArray;
// z: array<atomic<u32>, 8>; };
// struct S4 { x: S6;
// y: S5;
// z: array<atomic<i32>, 4>; };
// struct S3 { x: S4; };
// struct S2 { x: S3; };
// struct S1 { x: S2; };
// struct S0 { x: S1; };
// var<private> g : S0;
auto* atomic_array = Alias(Source{{12, 34}}, "AtomicArray",
ty.atomic(Source{{12, 34}}, ty.i32()));
auto* array_i32_4 = ty.array(ty.i32(), 4);
auto* array_atomic_u32_8 = ty.array(ty.atomic(ty.u32()), 8);
auto* array_atomic_i32_4 = ty.array(ty.atomic(ty.i32()), 4);
auto* s6 = Structure("S6", {Member("x", array_i32_4)});
auto* s5 = Structure("S5", {Member("x", ty.Of(s6)), //
Member("y", ty.Of(atomic_array)), //
Member("z", array_atomic_u32_8)}); //
auto* s4 = Structure("S4", {Member("x", ty.Of(s6)), //
Member("y", ty.Of(s5)), //
Member("z", array_atomic_i32_4)}); //
auto* s3 = Structure("S3", {Member("x", ty.Of(s4))});
auto* s2 = Structure("S2", {Member("x", ty.Of(s3))});
auto* s1 = Structure("S1", {Member("x", ty.Of(s2))});
auto* s0 = Structure("S0", {Member("x", ty.Of(s1))});
Global(Source{{56, 78}}, "g", ty.Of(s0), ast::StorageClass::kPrivate);
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables must have <storage> or <workgroup> "
"storage class\n"
"note: atomic sub-type of 'S0' is declared here");
}
TEST_F(ResolverAtomicValidationTest, Struct_AccessMode_Read) {
auto* s = Structure("s", {Member("a", ty.atomic(Source{{12, 34}}, ty.i32()))},
{StructBlock()});
Global(Source{{56, 78}}, "g", ty.Of(s), ast::StorageClass::kStorage,
ast::Access::kRead, GroupAndBinding(0, 0));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
"error: atomic variables in <storage> storage class must have read_write "
"access mode\n"
"note: atomic sub-type of 's' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidAccessMode_Struct) {
auto* s = Structure("s", {Member("a", ty.atomic(Source{{12, 34}}, ty.i32()))},
{StructBlock()});
Global(Source{{56, 78}}, "g", ty.Of(s), ast::StorageClass::kStorage,
ast::Access::kRead, GroupAndBinding(0, 0));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
"error: atomic variables in <storage> storage class must have read_write "
"access mode\n"
"note: atomic sub-type of 's' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidAccessMode_StructOfStruct) {
// struct Inner { m : atomic<i32>; };
// struct Outer { m : array<Inner, 4>; };
// var<storage, read> g : Outer;
auto* Inner =
Structure("Inner", {Member("m", ty.atomic(Source{{12, 34}}, ty.i32()))});
auto* Outer =
Structure("Outer", {Member("m", ty.Of(Inner))}, {StructBlock()});
Global(Source{{56, 78}}, "g", ty.Of(Outer), ast::StorageClass::kStorage,
ast::Access::kRead, GroupAndBinding(0, 0));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(
r()->error(),
"error: atomic variables in <storage> storage class must have read_write "
"access mode\n"
"note: atomic sub-type of 'Outer' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidAccessMode_StructOfStructOfArray) {
// struct Inner { m : array<atomic<i32>, 4>; };
// struct Outer { m : array<Inner, 4>; };
// var<storage, read> g : Outer;
auto* Inner =
Structure("Inner", {Member(Source{{12, 34}}, "m", ty.atomic(ty.i32()))});
auto* Outer =
Structure("Outer", {Member("m", ty.Of(Inner))}, {StructBlock()});
Global(Source{{56, 78}}, "g", ty.Of(Outer), ast::StorageClass::kStorage,
ast::Access::kRead, GroupAndBinding(0, 0));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables in <storage> storage class must have "
"read_write access mode\n"
"12:34 note: atomic sub-type of 'Outer' is declared here");
}
TEST_F(ResolverAtomicValidationTest, InvalidAccessMode_Complex) {
// type AtomicArray = array<atomic<i32>, 5>;
// struct S6 { x: array<i32, 4>; };
// struct S5 { x: S6;
// y: AtomicArray;
// z: array<atomic<u32>, 8>; };
// struct S4 { x: S6;
// y: S5;
// z: array<atomic<i32>, 4>; };
// struct S3 { x: S4; };
// struct S2 { x: S3; };
// struct S1 { x: S2; };
// struct S0 { x: S1; };
// var<storage, read> g : S0;
auto* atomic_array = Alias(Source{{12, 34}}, "AtomicArray",
ty.atomic(Source{{12, 34}}, ty.i32()));
auto* array_i32_4 = ty.array(ty.i32(), 4);
auto* array_atomic_u32_8 = ty.array(ty.atomic(ty.u32()), 8);
auto* array_atomic_i32_4 = ty.array(ty.atomic(ty.i32()), 4);
auto* s6 = Structure("S6", {Member("x", array_i32_4)});
auto* s5 = Structure("S5", {Member("x", ty.Of(s6)), //
Member("y", ty.Of(atomic_array)), //
Member("z", array_atomic_u32_8)}); //
auto* s4 = Structure("S4", {Member("x", ty.Of(s6)), //
Member("y", ty.Of(s5)), //
Member("z", array_atomic_i32_4)}); //
auto* s3 = Structure("S3", {Member("x", ty.Of(s4))});
auto* s2 = Structure("S2", {Member("x", ty.Of(s3))});
auto* s1 = Structure("S1", {Member("x", ty.Of(s2))});
auto* s0 = Structure("S0", {Member("x", ty.Of(s1))}, {StructBlock()});
Global(Source{{56, 78}}, "g", ty.Of(s0), ast::StorageClass::kStorage,
ast::Access::kRead, GroupAndBinding(0, 0));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"error: atomic variables in <storage> storage class must have "
"read_write access mode\n"
"note: atomic sub-type of 'S0' is declared here");
}
TEST_F(ResolverAtomicValidationTest, Local) {
WrapInFunction(Var("a", ty.atomic(Source{{12, 34}}, ty.i32())));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: function variable must have a constructible type");
}
TEST_F(ResolverAtomicValidationTest, NoAtomicExpr) {
WrapInFunction(Construct(Source{{12, 34}}, ty.atomic<u32>()));
EXPECT_FALSE(r()->Resolve());
EXPECT_EQ(r()->error(),
"12:34 error: an expression must not evaluate to an atomic type");
}
} // namespace
} // namespace resolver
} // namespace tint