input_test.cpp

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Author : Jamie Madill
Date : 2018-10-03 07:35:09
Hash : c3bef3e7
Message : Allow 'defined' in define in non-WebGL. This is needed to pass dEQP conformance. Several of the harder dEQP tests around this behaviour are excluded from the mustpass list. This is presumably because the behaviours weren't implemented portably. Nevertheless we need to support conformant behaviour for GLES 2.0 Contexts for the most simple uses. This also leaves the error behaviour intact for WebGL specs. Bug: angleproject:1335 Change-Id: Ia80b4f71475efa928488ee6c2ee35c566d4602d4 Reviewed-on: https://chromium-review.googlesource.com/c/1242013 Reviewed-by: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

src/tests/preprocessor_tests/input_test.cpp

//
// Copyright (c) 2012 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//

#include "PreprocessorTest.h"
#include "compiler/preprocessor/Input.h"
#include "compiler/preprocessor/Token.h"

namespace angle
{

class InitTest : public PreprocessorTest
{
  public:
    InitTest() : PreprocessorTest(SH_GLES2_SPEC) {}
};

TEST_F(InitTest, ZeroCount)
{
    EXPECT_TRUE(mPreprocessor.init(0, nullptr, nullptr));

    pp::Token token;
    mPreprocessor.lex(&token);
    EXPECT_EQ(pp::Token::LAST, token.type);
}

TEST_F(InitTest, NullString)
{
    EXPECT_FALSE(mPreprocessor.init(1, nullptr, nullptr));
}

TEST(InputTest, DefaultConstructor)
{
    pp::Input input;
    EXPECT_EQ(0u, input.count());
    int lineNo = 0;
    EXPECT_EQ(0u, input.read(nullptr, 1, &lineNo));
}

TEST(InputTest, NullLength)
{
    const char* str[] = {"foo"};
    pp::Input input(1, str, nullptr);
    EXPECT_EQ(3u, input.length(0));
}

TEST(InputTest, NegativeLength)
{
    const char* str[] = {"foo"};
    int length[] = {-1};
    pp::Input input(1, str, length);
    EXPECT_EQ(3u, input.length(0));
}

TEST(InputTest, ActualLength)
{
    const char* str[] = {"foobar"};
    int length[] = {3};
    pp::Input input(1, str, length);
    // Note that strlen(str[0]) != length[0].
    // Even then Input should just accept any non-negative number.
    EXPECT_EQ(static_cast<size_t>(length[0]), input.length(0));
}

TEST(InputTest, String)
{
    const char* str[] = {"foo"};
    pp::Input input(1, str, nullptr);
    EXPECT_STREQ(str[0], input.string(0));
}

TEST(InputTest, ReadSingleString)
{
    int count = 1;
    const char* str[] = {"foo"};
    char buf[4] = {'\0', '\0', '\0', '\0'};

    int maxSize = 1;
    int lineNo = 0;
    pp::Input input1(count, str, nullptr);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('f', buf[0]);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(0u, input1.read(buf, maxSize, &lineNo));

    maxSize = 2;
    pp::Input input2(count, str, nullptr);
    EXPECT_EQ(2u, input2.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("fo", buf);
    EXPECT_EQ(1u, input2.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(0u, input2.read(buf, maxSize, &lineNo));

    maxSize = 3;
    pp::Input input3(count, str, nullptr);
    EXPECT_EQ(3u, input3.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("foo", buf);
    EXPECT_EQ(0u, input3.read(buf, maxSize, &lineNo));

    maxSize = 4;
    pp::Input input4(count, str, nullptr);
    EXPECT_EQ(3u, input4.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("foo", buf);
    EXPECT_EQ(0u, input4.read(buf, maxSize, &lineNo));
}

TEST(InputTest, ReadMultipleStrings)
{
    int count = 3;
    const char* str[] = {"f", "o", "o"};
    char buf[4] = {'\0', '\0', '\0', '\0'};

    int maxSize = 1;
    int lineNo = 0;
    pp::Input input1(count, str, nullptr);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('f', buf[0]);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(1u, input1.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(0u, input1.read(buf, maxSize, &lineNo));

    maxSize = 2;
    pp::Input input2(count, str, nullptr);
    EXPECT_EQ(2u, input2.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("fo", buf);
    EXPECT_EQ(1u, input2.read(buf, maxSize, &lineNo));
    EXPECT_EQ('o', buf[0]);
    EXPECT_EQ(0u, input2.read(buf, maxSize, &lineNo));

    maxSize = 3;
    pp::Input input3(count, str, nullptr);
    EXPECT_EQ(3u, input3.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("foo", buf);
    EXPECT_EQ(0u, input3.read(buf, maxSize, &lineNo));

    maxSize = 4;
    pp::Input input4(count, str, nullptr);
    EXPECT_EQ(3u, input4.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("foo", buf);
    EXPECT_EQ(0u, input4.read(buf, maxSize, &lineNo));
}

TEST(InputTest, ReadStringsWithLength)
{
    int count = 2;
    const char* str[] = {"foo", "bar"};
    // Note that the length for the first string is 2 which is less than
    // strlen(str[0]. We want to make sure that the last character is ignored.
    int length[] = {2, 3};
    char buf[6] = {'\0', '\0', '\0', '\0', '\0', '\0'};
    size_t maxSize = 5;
    int lineNo = 0;

    pp::Input input(count, str, length);
    EXPECT_EQ(maxSize, input.read(buf, maxSize, &lineNo));
    EXPECT_STREQ("fobar", buf);
}

TEST(InputTest, ReadStringsWithLineContinuation)
{
    int count = 2;
    const char* str[] = {"foo\\", "\nba\\\r\nr"};
    int length[] = {4, 7};
    char buf[11] = {'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'};
    size_t maxSize = 11;
    int lineNo = 0;

    pp::Input input(count, str, length);
    EXPECT_EQ(3u, input.read(buf, maxSize, &lineNo));
    EXPECT_EQ(0, lineNo);
    EXPECT_EQ(2u, input.read(buf + 3, maxSize - 3, &lineNo));
    EXPECT_EQ(1, lineNo);
    EXPECT_EQ(1u, input.read(buf + 5, maxSize - 5, &lineNo));
    EXPECT_EQ(2, lineNo);
    EXPECT_STREQ("foobar", buf);
}

}  // namespace angle

kc3-lang/angle/src/tests/preprocessor_tests/input_test.cpp

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kc3-lang/angle /src/tests/preprocessor_tests/input_test.cpp