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// Copyright (c) 2011 The Chromium 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 "base/memory/scoped_ptr.h"
#include "base/version.h"
#include "testing/gtest/include/gtest/gtest.h"
class VersionTest : public testing::Test {
};
TEST_F(VersionTest, DefaultConstructor) {
Version v;
EXPECT_FALSE(v.IsValid());
}
TEST_F(VersionTest, ValueSemantics) {
Version v1("1.2.3.4");
EXPECT_TRUE(v1.IsValid());
Version v3;
EXPECT_FALSE(v3.IsValid());
{
Version v2(v1);
v3 = v2;
EXPECT_TRUE(v2.IsValid());
EXPECT_TRUE(v1.Equals(v2));
}
EXPECT_TRUE(v3.Equals(v1));
}
TEST_F(VersionTest, GetVersionFromString) {
static const struct version_string {
const char* input;
size_t parts;
bool success;
} cases[] = {
{"", 0, false},
{" ", 0, false},
{"\t", 0, false},
{"\n", 0, false},
{" ", 0, false},
{".", 0, false},
{" . ", 0, false},
{"0", 1, true},
{"0.0", 2, true},
{"65537.0", 0, false},
{"-1.0", 0, false},
{"1.-1.0", 0, false},
{"+1.0", 0, false},
{"1.+1.0", 0, false},
{"1.0a", 0, false},
{"1.2.3.4.5.6.7.8.9.0", 10, true},
{"02.1", 0, false},
{"f.1", 0, false},
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
scoped_ptr<Version> vers(Version::GetVersionFromString(cases[i].input));
EXPECT_EQ(cases[i].success, vers.get() != NULL);
if (cases[i].success) {
EXPECT_TRUE(vers->IsValid());
EXPECT_EQ(cases[i].parts, vers->components().size());
}
}
}
TEST_F(VersionTest, Compare) {
static const struct version_compare {
const char* lhs;
const char* rhs;
int expected;
} cases[] = {
{"1.0", "1.0", 0},
{"1.0", "0.0", 1},
{"1.0", "2.0", -1},
{"1.0", "1.1", -1},
{"1.1", "1.0", 1},
{"1.0", "1.0.1", -1},
{"1.1", "1.0.1", 1},
{"1.1", "1.0.1", 1},
{"1.0.0", "1.0", 0},
{"1.0.3", "1.0.20", -1},
};
for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); ++i) {
scoped_ptr<Version> lhs(Version::GetVersionFromString(cases[i].lhs));
scoped_ptr<Version> rhs(Version::GetVersionFromString(cases[i].rhs));
EXPECT_EQ(lhs->CompareTo(*rhs), cases[i].expected) <<
cases[i].lhs << " ? " << cases[i].rhs;
EXPECT_EQ(lhs->IsOlderThan(cases[i].rhs), (cases[i].expected == -1));
}
}
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