SPIRV-Tools/test/TextToBinary.Literal.cpp
Andrew Woloszyn 4274f93065 Fixed UTF-8 encoding issues on windows.
Also cleaned up some warnings related to implicit size_t/uint64_t
conversions.
2015-10-26 12:55:33 -04:00

122 lines
5.0 KiB
C++

// Copyright (c) 2015 The Khronos Group Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and/or associated documentation files (the
// "Materials"), to deal in the Materials without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Materials, and to
// permit persons to whom the Materials are furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Materials.
//
// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
// https://www.khronos.org/registry/
//
// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
// Assembler tests for literal numbers and literal strings.
#include "TestFixture.h"
namespace {
using spvtest::TextToBinaryTest;
TEST_F(TextToBinaryTest, LiteralStringInPlaceOfLiteralNumber) {
EXPECT_EQ(
R"(Invalid unsigned integer literal: "I shouldn't be a string")",
CompileFailure(R"(OpSource GLSL "I shouldn't be a string")"));
}
TEST_F(TextToBinaryTest, GarbageInPlaceOfLiteralString) {
EXPECT_EQ("Invalid literal string 'nice-source-code'.",
CompileFailure("OpSourceExtension nice-source-code"));
}
TEST_F(TextToBinaryTest, LiteralNumberInPlaceOfLiteralString) {
EXPECT_EQ("Expected literal string, found literal number '1000'.",
CompileFailure("OpSourceExtension 1000"));
}
TEST_F(TextToBinaryTest, LiteralFloatInPlaceOfLiteralInteger) {
EXPECT_EQ("Invalid unsigned integer literal: 10.5",
CompileFailure("OpSource GLSL 10.5"));
EXPECT_EQ("Invalid unsigned integer literal: 0.2",
CompileFailure(R"(OpMemberName %type 0.2 "member0.2")"));
EXPECT_EQ("Invalid unsigned integer literal: 32.42",
CompileFailure("%int = OpTypeInt 32.42 0"));
EXPECT_EQ("Invalid unsigned integer literal: 4.5",
CompileFailure("%mat = OpTypeMatrix %vec 4.5"));
EXPECT_EQ("Invalid unsigned integer literal: 1.5",
CompileFailure("OpExecutionMode %main LocalSize 1.5 1.6 1.7"));
EXPECT_EQ("Invalid unsigned integer literal: 0.123",
CompileFailure("%i32 = OpTypeInt 32 1\n"
"%c = OpConstant %i32 0.123"));
}
TEST_F(TextToBinaryTest, LiteralStringASCIILong) {
// SPIR-V allows strings up to 65535 characters.
// Test the simple case of UTF-8 code points corresponding
// to ASCII characters.
EXPECT_EQ(65535, SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX);
const std::string code =
"OpSourceExtension \"" +
std::string(SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX, 'o') + "\"\n";
EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
}
TEST_F(TextToBinaryTest, LiteralStringUTF8LongEncodings) {
// SPIR-V allows strings up to 65535 characters.
// Test the case of many Unicode characters, each of which has
// a 4-byte UTF-8 encoding.
// An instruction is at most 65535 words long. The first one
// contains the wordcount and opcode. So the worst case number of
// 4-byte UTF-8 characters is 65533, since we also need to
// store a terminating null character.
// This string fits exactly into 65534 words.
const std::string good_string =
spvtest::MakeLongUTF8String(65533)
// The following single character has a 3 byte encoding,
// which fits snugly against the terminating null.
+ "\xe8\x80\x80";
// These strings will overflow any instruction with 0 or 1 other
// arguments, respectively.
const std::string bad_0_arg_string = spvtest::MakeLongUTF8String(65534);
const std::string bad_1_arg_string = spvtest::MakeLongUTF8String(65533);
const std::string good_code = "OpSourceExtension \"" + good_string + "\"\n";
EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
// Prove that it works on more than one instruction.
const std::string good_code_2 = "OpSourceContinued \"" + good_string + "\"\n";
EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
// Failure cases.
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpSourceExtension \"" + bad_0_arg_string + "\"\n"));
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpSourceContinued \"" + bad_0_arg_string + "\"\n"));
EXPECT_EQ("Instruction too long: more than 65535 words.",
CompileFailure("OpName %target \"" + bad_1_arg_string + "\"\n"));
}
} // anonymous namespace