mirror of
https://gitee.com/openharmony/third_party_spirv-tools
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124 lines
4.7 KiB
C++
124 lines
4.7 KiB
C++
// Copyright (c) 2015-2016 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Assembler tests for literal numbers and literal strings.
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#include "test_fixture.h"
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namespace spvtools {
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namespace {
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using spvtest::TextToBinaryTest;
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TEST_F(TextToBinaryTest, LiteralStringInPlaceOfLiteralNumber) {
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EXPECT_EQ(
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R"(Invalid unsigned integer literal: "I shouldn't be a string")",
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CompileFailure(R"(OpSource GLSL "I shouldn't be a string")"));
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}
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TEST_F(TextToBinaryTest, GarbageInPlaceOfLiteralString) {
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EXPECT_EQ("Invalid literal string 'nice-source-code'.",
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CompileFailure("OpSourceExtension nice-source-code"));
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}
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TEST_F(TextToBinaryTest, LiteralNumberInPlaceOfLiteralString) {
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EXPECT_EQ("Expected literal string, found literal number '1000'.",
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CompileFailure("OpSourceExtension 1000"));
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}
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TEST_F(TextToBinaryTest, LiteralFloatInPlaceOfLiteralInteger) {
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EXPECT_EQ("Invalid unsigned integer literal: 10.5",
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CompileFailure("OpSource GLSL 10.5"));
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EXPECT_EQ("Invalid unsigned integer literal: 0.2",
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CompileFailure(R"(OpMemberName %type 0.2 "member0.2")"));
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EXPECT_EQ("Invalid unsigned integer literal: 32.42",
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CompileFailure("%int = OpTypeInt 32.42 0"));
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EXPECT_EQ("Invalid unsigned integer literal: 4.5",
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CompileFailure("%mat = OpTypeMatrix %vec 4.5"));
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EXPECT_EQ("Invalid unsigned integer literal: 1.5",
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CompileFailure("OpExecutionMode %main LocalSize 1.5 1.6 1.7"));
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EXPECT_EQ("Invalid unsigned integer literal: 0.123",
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CompileFailure("%i32 = OpTypeInt 32 1\n"
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"%c = OpConstant %i32 0.123"));
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}
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TEST_F(TextToBinaryTest, LiteralInt64) {
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const std::string code =
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"%1 = OpTypeInt 64 0\n%2 = OpConstant %1 123456789021\n";
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EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
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}
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TEST_F(TextToBinaryTest, LiteralDouble) {
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const std::string code =
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"%1 = OpTypeFloat 64\n%2 = OpSpecConstant %1 3.14159265358979\n";
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EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
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}
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TEST_F(TextToBinaryTest, LiteralStringASCIILong) {
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// SPIR-V allows strings up to 65535 characters.
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// Test the simple case of UTF-8 code points corresponding
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// to ASCII characters.
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EXPECT_EQ(65535, SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX);
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const std::string code =
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"OpSourceExtension \"" +
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std::string(SPV_LIMIT_LITERAL_STRING_UTF8_CHARS_MAX, 'o') + "\"\n";
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EXPECT_EQ(code, EncodeAndDecodeSuccessfully(code));
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}
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TEST_F(TextToBinaryTest, LiteralStringUTF8LongEncodings) {
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// SPIR-V allows strings up to 65535 characters.
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// Test the case of many Unicode characters, each of which has
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// a 4-byte UTF-8 encoding.
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// An instruction is at most 65535 words long. The first one
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// contains the wordcount and opcode. So the worst case number of
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// 4-byte UTF-8 characters is 65533, since we also need to
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// store a terminating null character.
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// This string fits exactly into 65534 words.
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const std::string good_string =
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spvtest::MakeLongUTF8String(65533)
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// The following single character has a 3 byte encoding,
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// which fits snugly against the terminating null.
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+ "\xe8\x80\x80";
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// These strings will overflow any instruction with 0 or 1 other
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// arguments, respectively.
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const std::string bad_0_arg_string = spvtest::MakeLongUTF8String(65534);
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const std::string bad_1_arg_string = spvtest::MakeLongUTF8String(65533);
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const std::string good_code = "OpSourceExtension \"" + good_string + "\"\n";
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EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
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// Prove that it works on more than one instruction.
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const std::string good_code_2 = "OpSourceContinued \"" + good_string + "\"\n";
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EXPECT_EQ(good_code, EncodeAndDecodeSuccessfully(good_code));
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// Failure cases.
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EXPECT_EQ("Instruction too long: more than 65535 words.",
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CompileFailure("OpSourceExtension \"" + bad_0_arg_string + "\"\n"));
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EXPECT_EQ("Instruction too long: more than 65535 words.",
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CompileFailure("OpSourceContinued \"" + bad_0_arg_string + "\"\n"));
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EXPECT_EQ("Instruction too long: more than 65535 words.",
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CompileFailure("OpName %target \"" + bad_1_arg_string + "\"\n"));
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}
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} // namespace
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} // namespace spvtools
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