// Copyright 2020 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/writer/hlsl/namer.h"
#include "gtest/gtest.h"

namespace tint {
namespace writer {
namespace hlsl {
namespace {

using HlslNamerTest = testing::Test;

TEST_F(HlslNamerTest, ReturnsName) {
  Namer n;
  EXPECT_EQ("my_name", n.NameFor("my_name"));
  EXPECT_EQ("my_name", n.NameFor("my_name"));
}

TEST_F(HlslNamerTest, HandlesConflictWithRenamedReservedWordAfterIdentSeen) {
  Namer n;
  EXPECT_EQ("float_tint_0", n.NameFor("float_tint_0"));
  EXPECT_EQ("float_tint_1", n.NameFor("float"));
  EXPECT_EQ("float_tint_0", n.NameFor("float_tint_0"));
}

TEST_F(HlslNamerTest, HandlesConflictWithRenamedReservedWordBeforeIdentSeen) {
  Namer n;
  EXPECT_EQ("float_tint_0", n.NameFor("float"));
  EXPECT_EQ("float_tint_0_0", n.NameFor("float_tint_0"));
  EXPECT_EQ("float_tint_0_0_0", n.NameFor("float_tint_0_0"));
  EXPECT_EQ("float_tint_0_0", n.NameFor("float_tint_0"));
}

using HlslReservedNameTest = testing::TestWithParam<std::string>;
TEST_P(HlslReservedNameTest, Emit) {
  auto name = GetParam();

  Namer n;
  EXPECT_EQ(name + "_tint_0", n.NameFor(name));
}
INSTANTIATE_TEST_SUITE_P(HlslNamerTest,
                         HlslReservedNameTest,
                         testing::Values("AddressU",
                                         "AddressV",
                                         "AddressW",
                                         "AllMemoryBarrier",
                                         "AllMemoryBarrierWithGroupSync",
                                         "AppendStructuredBuffer",
                                         "BINORMAL",
                                         "BLENDINDICES",
                                         "BLENDWEIGHT",
                                         "BlendState",
                                         "BorderColor",
                                         "Buffer",
                                         "ByteAddressBuffer",
                                         "COLOR",
                                         "CheckAccessFullyMapped",
                                         "ComparisonFunc",
                                         "CompileShader",
                                         "ComputeShader",
                                         "ConsumeStructuredBuffer",
                                         "D3DCOLORtoUBYTE4",
                                         "DEPTH",
                                         "DepthStencilState",
                                         "DepthStencilView",
                                         "DeviceMemoryBarrier",
                                         "DeviceMemroyBarrierWithGroupSync",
                                         "DomainShader",
                                         "EvaluateAttributeAtCentroid",
                                         "EvaluateAttributeAtSample",
                                         "EvaluateAttributeSnapped",
                                         "FOG",
                                         "Filter",
                                         "GeometryShader",
                                         "GetRenderTargetSampleCount",
                                         "GetRenderTargetSamplePosition",
                                         "GroupMemoryBarrier",
                                         "GroupMemroyBarrierWithGroupSync",
                                         "Hullshader",
                                         "InputPatch",
                                         "InterlockedAdd",
                                         "InterlockedAnd",
                                         "InterlockedCompareExchange",
                                         "InterlockedCompareStore",
                                         "InterlockedExchange",
                                         "InterlockedMax",
                                         "InterlockedMin",
                                         "InterlockedOr",
                                         "InterlockedXor",
                                         "LineStream",
                                         "MaxAnisotropy",
                                         "MaxLOD",
                                         "MinLOD",
                                         "MipLODBias",
                                         "NORMAL",
                                         "NULL",
                                         "Normal",
                                         "OutputPatch",
                                         "POSITION",
                                         "POSITIONT",
                                         "PSIZE",
                                         "PixelShader",
                                         "PointStream",
                                         "Process2DQuadTessFactorsAvg",
                                         "Process2DQuadTessFactorsMax",
                                         "Process2DQuadTessFactorsMin",
                                         "ProcessIsolineTessFactors",
                                         "ProcessQuadTessFactorsAvg",
                                         "ProcessQuadTessFactorsMax",
                                         "ProcessQuadTessFactorsMin",
                                         "ProcessTriTessFactorsAvg",
                                         "ProcessTriTessFactorsMax",
                                         "ProcessTriTessFactorsMin",
                                         "RWBuffer",
                                         "RWByteAddressBuffer",
                                         "RWStructuredBuffer",
                                         "RWTexture1D",
                                         "RWTexture1DArray",
                                         "RWTexture2D",
                                         "RWTexture2DArray",
                                         "RWTexture3D",
                                         "RasterizerState",
                                         "RenderTargetView",
                                         "SV_ClipDistance",
                                         "SV_Coverage",
                                         "SV_CullDistance",
                                         "SV_Depth",
                                         "SV_DepthGreaterEqual",
                                         "SV_DepthLessEqual",
                                         "SV_DispatchThreadID",
                                         "SV_DomainLocation",
                                         "SV_GSInstanceID",
                                         "SV_GroupID",
                                         "SV_GroupIndex",
                                         "SV_GroupThreadID",
                                         "SV_InnerCoverage",
                                         "SV_InsideTessFactor",
                                         "SV_InstanceID",
                                         "SV_IsFrontFace",
                                         "SV_OutputControlPointID",
                                         "SV_Position",
                                         "SV_PrimitiveID",
                                         "SV_RenderTargetArrayIndex",
                                         "SV_SampleIndex",
                                         "SV_StencilRef",
                                         "SV_Target",
                                         "SV_TessFactor",
                                         "SV_VertexArrayIndex",
                                         "SV_VertexID",
                                         "Sampler",
                                         "Sampler1D",
                                         "Sampler2D",
                                         "Sampler3D",
                                         "SamplerCUBE",
                                         "StructuredBuffer",
                                         "TANGENT",
                                         "TESSFACTOR",
                                         "TEXCOORD",
                                         "Texcoord",
                                         "Texture",
                                         "Texture1D",
                                         "Texture1DArray",
                                         "Texture2D",
                                         "Texture2DArray",
                                         "Texture2DMS",
                                         "Texture2DMSArray",
                                         "Texture3D",
                                         "TextureCube",
                                         "TextureCubeArray",
                                         "TriangleStream",
                                         "VFACE",
                                         "VPOS",
                                         "VertexShader",
                                         "abort",
                                         "abs",
                                         "acos",
                                         "all",
                                         "allow_uav_condition",
                                         "any",
                                         "asdouble",
                                         "asfloat",
                                         "asin",
                                         "asint",
                                         "asm",
                                         "asm_fragment",
                                         "asuint",
                                         "atan",
                                         "atan2",
                                         "auto",
                                         "bool",
                                         "bool1",
                                         "bool1x1",
                                         "bool1x2",
                                         "bool1x3",
                                         "bool1x4",
                                         "bool2",
                                         "bool2x1",
                                         "bool2x2",
                                         "bool2x3",
                                         "bool2x4",
                                         "bool3",
                                         "bool3x1",
                                         "bool3x2",
                                         "bool3x3",
                                         "bool3x4",
                                         "bool4",
                                         "bool4x1",
                                         "bool4x2",
                                         "bool4x3",
                                         "bool4x4",
                                         "branch",
                                         "break",
                                         "call",
                                         "case",
                                         "catch",
                                         "cbuffer",
                                         "ceil",
                                         "centroid",
                                         "char",
                                         "clamp",
                                         "class",
                                         "clip",
                                         "column_major",
                                         "compile_fragment",
                                         "const",
                                         "const_cast",
                                         "continue",
                                         "cos",
                                         "cosh",
                                         "countbits",
                                         "cross",
                                         "ddx",
                                         "ddx_coarse",
                                         "ddx_fine",
                                         "ddy",
                                         "ddy_coarse",
                                         "ddy_fine",
                                         "degrees",
                                         "delete",
                                         "determinant",
                                         "discard",
                                         "distance",
                                         "do",
                                         "dot",
                                         "double",
                                         "double1",
                                         "double1x1",
                                         "double1x2",
                                         "double1x3",
                                         "double1x4",
                                         "double2",
                                         "double2x1",
                                         "double2x2",
                                         "double2x3",
                                         "double2x4",
                                         "double3",
                                         "double3x1",
                                         "double3x2",
                                         "double3x3",
                                         "double3x4",
                                         "double4",
                                         "double4x1",
                                         "double4x2",
                                         "double4x3",
                                         "double4x4",
                                         "dst",
                                         "dword",
                                         "dword1",
                                         "dword1x1",
                                         "dword1x2",
                                         "dword1x3",
                                         "dword1x4",
                                         "dword2",
                                         "dword2x1",
                                         "dword2x2",
                                         "dword2x3",
                                         "dword2x4",
                                         "dword3",
                                         "dword3x1",
                                         "dword3x2",
                                         "dword3x3",
                                         "dword3x4",
                                         "dword4",
                                         "dword4x1",
                                         "dword4x2",
                                         "dword4x3",
                                         "dword4x4",
                                         "dynamic_cast",
                                         "else",
                                         "enum",
                                         "errorf",
                                         "exp",
                                         "exp2",
                                         "explicit",
                                         "export",
                                         "extern",
                                         "f16to32",
                                         "f32tof16",
                                         "faceforward",
                                         "false",
                                         "fastopt",
                                         "firstbithigh",
                                         "firstbitlow",
                                         "flatten",
                                         "float",
                                         "float1",
                                         "float1x1",
                                         "float1x2",
                                         "float1x3",
                                         "float1x4",
                                         "float2",
                                         "float2x1",
                                         "float2x2",
                                         "float2x3",
                                         "float2x4",
                                         "float3",
                                         "float3x1",
                                         "float3x2",
                                         "float3x3",
                                         "float3x4",
                                         "float4",
                                         "float4x1",
                                         "float4x2",
                                         "float4x3",
                                         "float4x4",
                                         "floor",
                                         "fma",
                                         "fmod",
                                         "for",
                                         "forcecase",
                                         "frac",
                                         "frexp",
                                         "friend",
                                         "fwidth",
                                         "fxgroup",
                                         "goto",
                                         "groupshared",
                                         "half",
                                         "half1",
                                         "half1x1",
                                         "half1x2",
                                         "half1x3",
                                         "half1x4",
                                         "half2",
                                         "half2x1",
                                         "half2x2",
                                         "half2x3",
                                         "half2x4",
                                         "half3",
                                         "half3x1",
                                         "half3x2",
                                         "half3x3",
                                         "half3x4",
                                         "half4",
                                         "half4x1",
                                         "half4x2",
                                         "half4x3",
                                         "half4x4",
                                         "if",
                                         "in",
                                         "inline",
                                         "inout",
                                         "int",
                                         "int1",
                                         "int1x1",
                                         "int1x2",
                                         "int1x3",
                                         "int1x4",
                                         "int2",
                                         "int2x1",
                                         "int2x2",
                                         "int2x3",
                                         "int2x4",
                                         "int3",
                                         "int3x1",
                                         "int3x2",
                                         "int3x3",
                                         "int3x4",
                                         "int4",
                                         "int4x1",
                                         "int4x2",
                                         "int4x3",
                                         "int4x4",
                                         "interface",
                                         "isfinite",
                                         "isinf",
                                         "isnan",
                                         "ldexp",
                                         "length",
                                         "lerp",
                                         "lineadj",
                                         "linear",
                                         "lit",
                                         "log",
                                         "log10",
                                         "log2",
                                         "long",
                                         "loop",
                                         "mad",
                                         "matrix",
                                         "max",
                                         "min",
                                         "min10float",
                                         "min10float1",
                                         "min10float1x1",
                                         "min10float1x2",
                                         "min10float1x3",
                                         "min10float1x4",
                                         "min10float2",
                                         "min10float2x1",
                                         "min10float2x2",
                                         "min10float2x3",
                                         "min10float2x4",
                                         "min10float3",
                                         "min10float3x1",
                                         "min10float3x2",
                                         "min10float3x3",
                                         "min10float3x4",
                                         "min10float4",
                                         "min10float4x1",
                                         "min10float4x2",
                                         "min10float4x3",
                                         "min10float4x4",
                                         "min12int",
                                         "min12int1",
                                         "min12int1x1",
                                         "min12int1x2",
                                         "min12int1x3",
                                         "min12int1x4",
                                         "min12int2",
                                         "min12int2x1",
                                         "min12int2x2",
                                         "min12int2x3",
                                         "min12int2x4",
                                         "min12int3",
                                         "min12int3x1",
                                         "min12int3x2",
                                         "min12int3x3",
                                         "min12int3x4",
                                         "min12int4",
                                         "min12int4x1",
                                         "min12int4x2",
                                         "min12int4x3",
                                         "min12int4x4",
                                         "min16float",
                                         "min16float1",
                                         "min16float1x1",
                                         "min16float1x2",
                                         "min16float1x3",
                                         "min16float1x4",
                                         "min16float2",
                                         "min16float2x1",
                                         "min16float2x2",
                                         "min16float2x3",
                                         "min16float2x4",
                                         "min16float3",
                                         "min16float3x1",
                                         "min16float3x2",
                                         "min16float3x3",
                                         "min16float3x4",
                                         "min16float4",
                                         "min16float4x1",
                                         "min16float4x2",
                                         "min16float4x3",
                                         "min16float4x4",
                                         "min16int",
                                         "min16int1",
                                         "min16int1x1",
                                         "min16int1x2",
                                         "min16int1x3",
                                         "min16int1x4",
                                         "min16int2",
                                         "min16int2x1",
                                         "min16int2x2",
                                         "min16int2x3",
                                         "min16int2x4",
                                         "min16int3",
                                         "min16int3x1",
                                         "min16int3x2",
                                         "min16int3x3",
                                         "min16int3x4",
                                         "min16int4",
                                         "min16int4x1",
                                         "min16int4x2",
                                         "min16int4x3",
                                         "min16int4x4",
                                         "min16uint",
                                         "min16uint1",
                                         "min16uint1x1",
                                         "min16uint1x2",
                                         "min16uint1x3",
                                         "min16uint1x4",
                                         "min16uint2",
                                         "min16uint2x1",
                                         "min16uint2x2",
                                         "min16uint2x3",
                                         "min16uint2x4",
                                         "min16uint3",
                                         "min16uint3x1",
                                         "min16uint3x2",
                                         "min16uint3x3",
                                         "min16uint3x4",
                                         "min16uint4",
                                         "min16uint4x1",
                                         "min16uint4x2",
                                         "min16uint4x3",
                                         "min16uint4x4",
                                         "modf",
                                         "msad4",
                                         "mul",
                                         "mutable",
                                         "namespace",
                                         "new",
                                         "nointerpolation",
                                         "noise",
                                         "noperspective",
                                         "normalize",
                                         "numthreads",
                                         "operator",
                                         "out",
                                         "packoffset",
                                         "pass",
                                         "pixelfragment",
                                         "pixelshader",
                                         "point",
                                         "pow",
                                         "precise",
                                         "printf",
                                         "private",
                                         "protected",
                                         "public",
                                         "radians",
                                         "rcp",
                                         "reflect",
                                         "refract",
                                         "register",
                                         "reinterpret_cast",
                                         "return",
                                         "reversebits",
                                         "round",
                                         "row_major",
                                         "rsqrt",
                                         "sample",
                                         "sampler1D",
                                         "sampler2D",
                                         "sampler3D",
                                         "samplerCUBE",
                                         "sampler_state",
                                         "saturate",
                                         "shared",
                                         "short",
                                         "sign",
                                         "signed",
                                         "sin",
                                         "sincos",
                                         "sinh",
                                         "sizeof",
                                         "smoothstep",
                                         "snorm",
                                         "sqrt",
                                         "stateblock",
                                         "stateblock_state",
                                         "static",
                                         "static_cast",
                                         "step",
                                         "string",
                                         "struct",
                                         "switch",
                                         "tan",
                                         "tanh",
                                         "tbuffer",
                                         "technique",
                                         "technique10",
                                         "technique11",
                                         "template",
                                         "tex1D",
                                         "tex1Dbias",
                                         "tex1Dgrad",
                                         "tex1Dlod",
                                         "tex1Dproj",
                                         "tex2D",
                                         "tex2Dbias",
                                         "tex2Dgrad",
                                         "tex2Dlod",
                                         "tex2Dproj",
                                         "tex3D",
                                         "tex3Dbias",
                                         "tex3Dgrad",
                                         "tex3Dlod",
                                         "tex3Dproj",
                                         "texCUBE",
                                         "texCUBEbias",
                                         "texCUBEgrad",
                                         "texCUBElod",
                                         "texCUBEproj",
                                         "texture",
                                         "texture1D",
                                         "texture1DArray",
                                         "texture2D",
                                         "texture2DArray",
                                         "texture2DMS",
                                         "texture2DMSArray",
                                         "texture3D",
                                         "textureCube",
                                         "textureCubeArray",
                                         "this",
                                         "throw",
                                         "transpose",
                                         "triangle",
                                         "triangleadj",
                                         "true",
                                         "trunc",
                                         "try",
                                         "typedef",
                                         "typename",
                                         "uint",
                                         "uint1",
                                         "uint1x1",
                                         "uint1x2",
                                         "uint1x3",
                                         "uint1x4",
                                         "uint2",
                                         "uint2x1",
                                         "uint2x2",
                                         "uint2x3",
                                         "uint2x4",
                                         "uint3",
                                         "uint3x1",
                                         "uint3x2",
                                         "uint3x3",
                                         "uint3x4",
                                         "uint4",
                                         "uint4x1",
                                         "uint4x2",
                                         "uint4x3",
                                         "uint4x4",
                                         "uniform",
                                         "union",
                                         "unorm",
                                         "unroll",
                                         "unsigned",
                                         "using",
                                         "vector",
                                         "vertexfragment",
                                         "vertexshader",
                                         "virtual",
                                         "void",
                                         "volatile",
                                         "while"));

}  // namespace
}  // namespace hlsl
}  // namespace writer
}  // namespace tint