Move string files in base/ to the string subdirectory.
BUG=247723
TEST=no change
Review URL: https://chromiumcodereview.appspot.com/16331011
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@205050 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/base/strings/stringprintf_unittest.cc b/base/strings/stringprintf_unittest.cc
new file mode 100644
index 0000000..a1bf2da
--- /dev/null
+++ b/base/strings/stringprintf_unittest.cc
@@ -0,0 +1,188 @@
+// Copyright 2013 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/strings/stringprintf.h"
+
+#include <errno.h>
+
+#include "base/basictypes.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+
+namespace {
+
+// A helper for the StringAppendV test that follows.
+//
+// Just forwards its args to StringAppendV.
+static void StringAppendVTestHelper(std::string* out, const char* format, ...) {
+ va_list ap;
+ va_start(ap, format);
+ StringAppendV(out, format, ap);
+ va_end(ap);
+}
+
+} // namespace
+
+TEST(StringPrintfTest, StringPrintfEmpty) {
+ EXPECT_EQ("", StringPrintf("%s", ""));
+}
+
+TEST(StringPrintfTest, StringPrintfMisc) {
+ EXPECT_EQ("123hello w", StringPrintf("%3d%2s %1c", 123, "hello", 'w'));
+#if !defined(OS_ANDROID)
+ EXPECT_EQ(L"123hello w", StringPrintf(L"%3d%2ls %1lc", 123, L"hello", 'w'));
+#endif
+}
+
+TEST(StringPrintfTest, StringAppendfEmptyString) {
+ std::string value("Hello");
+ StringAppendF(&value, "%s", "");
+ EXPECT_EQ("Hello", value);
+
+#if !defined(OS_ANDROID)
+ std::wstring valuew(L"Hello");
+ StringAppendF(&valuew, L"%ls", L"");
+ EXPECT_EQ(L"Hello", valuew);
+#endif
+}
+
+TEST(StringPrintfTest, StringAppendfString) {
+ std::string value("Hello");
+ StringAppendF(&value, " %s", "World");
+ EXPECT_EQ("Hello World", value);
+
+#if !defined(OS_ANDROID)
+ std::wstring valuew(L"Hello");
+ StringAppendF(&valuew, L" %ls", L"World");
+ EXPECT_EQ(L"Hello World", valuew);
+#endif
+}
+
+TEST(StringPrintfTest, StringAppendfInt) {
+ std::string value("Hello");
+ StringAppendF(&value, " %d", 123);
+ EXPECT_EQ("Hello 123", value);
+
+#if !defined(OS_ANDROID)
+ std::wstring valuew(L"Hello");
+ StringAppendF(&valuew, L" %d", 123);
+ EXPECT_EQ(L"Hello 123", valuew);
+#endif
+}
+
+// Make sure that lengths exactly around the initial buffer size are handled
+// correctly.
+TEST(StringPrintfTest, StringPrintfBounds) {
+ const int kSrcLen = 1026;
+ char src[kSrcLen];
+ for (size_t i = 0; i < arraysize(src); i++)
+ src[i] = 'A';
+
+ wchar_t srcw[kSrcLen];
+ for (size_t i = 0; i < arraysize(srcw); i++)
+ srcw[i] = 'A';
+
+ for (int i = 1; i < 3; i++) {
+ src[kSrcLen - i] = 0;
+ std::string out;
+ SStringPrintf(&out, "%s", src);
+ EXPECT_STREQ(src, out.c_str());
+
+#if !defined(OS_ANDROID)
+ srcw[kSrcLen - i] = 0;
+ std::wstring outw;
+ SStringPrintf(&outw, L"%ls", srcw);
+ EXPECT_STREQ(srcw, outw.c_str());
+#endif
+ }
+}
+
+// Test very large sprintfs that will cause the buffer to grow.
+TEST(StringPrintfTest, Grow) {
+ char src[1026];
+ for (size_t i = 0; i < arraysize(src); i++)
+ src[i] = 'A';
+ src[1025] = 0;
+
+ const char* fmt = "%sB%sB%sB%sB%sB%sB%s";
+
+ std::string out;
+ SStringPrintf(&out, fmt, src, src, src, src, src, src, src);
+
+ const int kRefSize = 320000;
+ char* ref = new char[kRefSize];
+#if defined(OS_WIN)
+ sprintf_s(ref, kRefSize, fmt, src, src, src, src, src, src, src);
+#elif defined(OS_POSIX)
+ snprintf(ref, kRefSize, fmt, src, src, src, src, src, src, src);
+#endif
+
+ EXPECT_STREQ(ref, out.c_str());
+ delete[] ref;
+}
+
+TEST(StringPrintfTest, StringAppendV) {
+ std::string out;
+ StringAppendVTestHelper(&out, "%d foo %s", 1, "bar");
+ EXPECT_EQ("1 foo bar", out);
+}
+
+// Test the boundary condition for the size of the string_util's
+// internal buffer.
+TEST(StringPrintfTest, GrowBoundary) {
+ const int string_util_buf_len = 1024;
+ // Our buffer should be one larger than the size of StringAppendVT's stack
+ // buffer.
+ const int buf_len = string_util_buf_len + 1;
+ char src[buf_len + 1]; // Need extra one for NULL-terminator.
+ for (int i = 0; i < buf_len; ++i)
+ src[i] = 'a';
+ src[buf_len] = 0;
+
+ std::string out;
+ SStringPrintf(&out, "%s", src);
+
+ EXPECT_STREQ(src, out.c_str());
+}
+
+// TODO(evanm): what's the proper cross-platform test here?
+#if defined(OS_WIN)
+// sprintf in Visual Studio fails when given U+FFFF. This tests that the
+// failure case is gracefuly handled.
+TEST(StringPrintfTest, Invalid) {
+ wchar_t invalid[2];
+ invalid[0] = 0xffff;
+ invalid[1] = 0;
+
+ std::wstring out;
+ SStringPrintf(&out, L"%ls", invalid);
+ EXPECT_STREQ(L"", out.c_str());
+}
+#endif
+
+// Test that the positional parameters work.
+TEST(StringPrintfTest, PositionalParameters) {
+ std::string out;
+ SStringPrintf(&out, "%1$s %1$s", "test");
+ EXPECT_STREQ("test test", out.c_str());
+
+#if defined(OS_WIN)
+ std::wstring wout;
+ SStringPrintf(&wout, L"%1$ls %1$ls", L"test");
+ EXPECT_STREQ(L"test test", wout.c_str());
+#endif
+}
+
+// Test that StringPrintf and StringAppendV do not change errno.
+TEST(StringPrintfTest, StringPrintfErrno) {
+ errno = 1;
+ EXPECT_EQ("", StringPrintf("%s", ""));
+ EXPECT_EQ(1, errno);
+ std::string out;
+ StringAppendVTestHelper(&out, "%d foo %s", 1, "bar");
+ EXPECT_EQ(1, errno);
+}
+
+} // namespace base
