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// Copyright 2016 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 "tools/gn/xml_element_writer.h"
#include <sstream>
#include "testing/gtest/include/gtest/gtest.h"
namespace {
class MockValueWriter {
public:
explicit MockValueWriter(const std::string& value) : value_(value) {}
void operator()(std::ostream& out) const { out << value_; }
private:
std::string value_;
};
} // namespace
TEST(XmlElementWriter, EmptyElement) {
std::ostringstream out;
{ XmlElementWriter writer(out, "foo", XmlAttributes()); }
EXPECT_EQ("<foo />\n", out.str());
std::ostringstream out_attr;
{
XmlElementWriter writer(out_attr, "foo",
XmlAttributes("bar", "abc").add("baz", "123"));
}
EXPECT_EQ("<foo bar=\"abc\" baz=\"123\" />\n", out_attr.str());
std::ostringstream out_indent;
{
XmlElementWriter writer(out_indent, "foo", XmlAttributes("bar", "baz"), 2);
}
EXPECT_EQ(" <foo bar=\"baz\" />\n", out_indent.str());
std::ostringstream out_writer;
{
XmlElementWriter writer(out_writer, "foo", "bar", MockValueWriter("baz"),
2);
}
EXPECT_EQ(" <foo bar=\"baz\" />\n", out_writer.str());
}
TEST(XmlElementWriter, ElementWithText) {
std::ostringstream out;
{
XmlElementWriter writer(out, "foo", XmlAttributes("bar", "baz"));
writer.Text("Hello world!");
}
EXPECT_EQ("<foo bar=\"baz\">Hello world!</foo>\n", out.str());
}
TEST(XmlElementWriter, SubElements) {
std::ostringstream out;
{
XmlElementWriter writer(out, "root", XmlAttributes("aaa", "000"));
writer.SubElement("foo", XmlAttributes());
writer.SubElement("bar", XmlAttributes("bbb", "111"))->Text("hello");
writer.SubElement("baz", "ccc", MockValueWriter("222"))
->SubElement("grandchild");
}
std::string expected =
"<root aaa=\"000\">\n"
" <foo />\n"
" <bar bbb=\"111\">hello</bar>\n"
" <baz ccc=\"222\">\n"
" <grandchild />\n"
" </baz>\n"
"</root>\n";
EXPECT_EQ(expected, out.str());
}
TEST(XmlElementWriter, StartContent) {
std::ostringstream out;
{
XmlElementWriter writer(out, "foo", XmlAttributes("bar", "baz"));
writer.StartContent(false) << "Hello world!";
}
EXPECT_EQ("<foo bar=\"baz\">Hello world!</foo>\n", out.str());
}
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