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01586bc57e
Now we have a few extra methods and things are diverging a bit between Linux and Windows. Add a few unit tests to make sure this works. Signed-off-by: Daniel Almeida <daniel.almeida@collabora.com> Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30594>
99 lines
2.2 KiB
C++
99 lines
2.2 KiB
C++
// Copyright © 2024 Collabora, Ltd.
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// SPDX-License-Identifier: MIT
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#include <gtest/gtest.h>
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#include "memstream.h"
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class MemStreamTest : public ::testing::Test {
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protected:
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struct u_memstream mem;
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char *buffer;
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size_t size;
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MemStreamTest() : buffer(nullptr), size(0) {
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u_memstream_open(&mem, &buffer, &size);
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}
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~MemStreamTest() {
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u_memstream_close(&mem);
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free(buffer);
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}
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void resetStream() {
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u_memstream_close(&mem);
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free(buffer);
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buffer = nullptr;
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size = 0;
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u_memstream_open(&mem, &buffer, &size);
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}
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};
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TEST_F(MemStreamTest, OpenStream) {
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EXPECT_NE(mem.f, nullptr);
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EXPECT_EQ(size, 0);
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}
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TEST_F(MemStreamTest, WriteAndFlush) {
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const char *data = "Hello, world!";
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size_t data_len = strlen(data);
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EXPECT_EQ(fwrite(data, 1, data_len, mem.f), data_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data);
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EXPECT_EQ(size, data_len);
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}
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TEST_F(MemStreamTest, ResetStream) {
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const char *data = "Hello, world!";
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size_t data_len = strlen(data);
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EXPECT_EQ(fwrite(data, 1, data_len, mem.f), data_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data);
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EXPECT_EQ(size, data_len);
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resetStream();
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EXPECT_EQ(size, 0);
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}
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TEST_F(MemStreamTest, WriteAfterReset) {
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const char *data1 = "Hello, world!";
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const char *data2 = "New data";
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size_t data1_len = strlen(data1);
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size_t data2_len = strlen(data2);
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EXPECT_EQ(fwrite(data1, 1, data1_len, mem.f), data1_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data1);
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EXPECT_EQ(size, data1_len);
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resetStream();
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EXPECT_EQ(size, 0);
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EXPECT_EQ(fwrite(data2, 1, data2_len, mem.f), data2_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data2);
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EXPECT_EQ(size, data2_len);
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}
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TEST_F(MemStreamTest, MultipleFlushes) {
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const char *data = "Hello, world!";
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size_t data_len = strlen(data);
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EXPECT_EQ(fwrite(data, 1, data_len, mem.f), data_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data);
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EXPECT_EQ(size, data_len);
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EXPECT_EQ(u_memstream_flush(&mem), 0);
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EXPECT_STREQ(buffer, data);
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EXPECT_EQ(size, data_len);
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}
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