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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/data/simple_buffer.h>
#include <vespa/vespalib/data/output_writer.h>
using namespace vespalib;
TEST("output writer smoke test") {
SimpleBuffer buffer;
{
OutputWriter dst(buffer, 3);
dst.write('a');
dst.write('b');
dst.write('c');
dst.write('\n');
dst.write("foo bar");
dst.write('\n');
dst.printf("%d + %d = %d\n", 2, 2, 4);
}
vespalib::string expect = "abc\n"
"foo bar\n"
"2 + 2 = 4\n";
EXPECT_EQUAL(Memory(expect), buffer.get());
}
TEST("require that reserve/commit works as expected") {
SimpleBuffer buffer;
{
OutputWriter dst(buffer, 3);
char *p = dst.reserve(5);
p[0] = 'a';
p[1] = 'b';
p[2] = 'c';
dst.commit(3);
dst.reserve(1)[0] = '\n';
dst.commit(1);
dst.reserve(10);
}
vespalib::string expect = "abc\n";
EXPECT_EQUAL(Memory(expect), buffer.get());
}
TEST("require that large printf works") {
const char *str = "12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890"
"12345678901234567890123456789012345678901234567890";
size_t str_len = strlen(str);
EXPECT_EQUAL(str_len, 200u);
SimpleBuffer buffer;
{
OutputWriter dst(buffer, 3);
dst.printf("%s,%s,%s,%s", str, str, str, str);
}
ASSERT_EQUAL(buffer.get().size, (str_len * 4) + 3);
EXPECT_EQUAL(buffer.get().data[str_len], ',');
EXPECT_EQUAL(buffer.get().data[(2 * str_len) + 1], ',');
EXPECT_EQUAL(buffer.get().data[(3 * str_len) + 2], ',');
size_t offset = (buffer.get().size - str_len);
EXPECT_EQUAL(Memory(buffer.get().data + offset, buffer.get().size - offset), Memory(str));
}
TEST_MAIN() { TEST_RUN_ALL(); }
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