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- // Copyright (c) 2015-2016 The Khronos Group Inc.
- //
- // 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.
- // Assembler tests for literal numbers and literal strings.
- #include <string>
- #include "test/test_fixture.h"
- namespace spvtools {
- 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, LiteralInt64) {
- const std::string code =
- "%1 = OpTypeInt 64 0\n%2 = OpConstant %1 123456789021\n";
- EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
- }
- TEST_F(TextToBinaryTest, LiteralDouble) {
- const std::string code =
- "%1 = OpTypeFloat 64\n%2 = OpSpecConstant %1 3.14159265358979\n";
- EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
- }
- 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"));
- }
- } // namespace
- } // namespace spvtools
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