tests: Move the cprintftest unit test into src/base.

That way it will live alongside the code it tests.

Change-Id: I00baad2206870a4619b7cee792a1d4c303dad04d
Reviewed-on: https://gem5-review.googlesource.com/6324
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>

2 files changed, 183 insertions, 0 deletions

diff --git a/src/base/SConscript b/src/base/SConscript
index 881a38ac5..bbdc85f75 100644
--- a/src/base/SConscript
+++ b/src/base/SConscript
@@ -41,6 +41,7 @@ Source('imgwriter.cc')
 Source('bmpwriter.cc')
 Source('callback.cc')
 Source('cprintf.cc', add_tags='gtest lib')
+GTest('cprintftest', 'cprintftest.cc')
 Source('debug.cc')
 if env['USE_FENV']:
     Source('fenv.c')
diff --git a/src/base/cprintftest.cc b/src/base/cprintftest.cc
new file mode 100644
index 000000000..86694ed83
--- /dev/null
+++ b/src/base/cprintftest.cc
@@ -0,0 +1,182 @@
+/*
+ * Copyright (c) 2002-2005 The Regents of The University of Michigan
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met: redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer;
+ * redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution;
+ * neither the name of the copyright holders nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Authors: Nathan Binkert
+ */
+
+#include <gtest/gtest.h>
+
+#include <cstdio>
+#include <sstream>
+#include <string>
+
+#include "base/cprintf.hh"
+
+#define CPRINTF_TEST(...)                                \
+    do {                                                 \
+        std::stringstream ss;                            \
+        ccprintf(ss, __VA_ARGS__);                       \
+        int maxlen = ss.str().length() + 3;              \
+        char *buf = new char[maxlen];                    \
+        buf[maxlen - 1] = '\0';                          \
+        snprintf(buf, maxlen - 2, __VA_ARGS__);          \
+        EXPECT_EQ(ss.str(), std::string(buf));           \
+        delete [] buf;                                   \
+    } while (0)
+
+TEST(CPrintf, Misc)
+{
+    char foo[] = "foo";
+    CPRINTF_TEST("%s\n", foo);
+
+    CPRINTF_TEST("%d\n", 'A');
+    CPRINTF_TEST("%shits%%s + %smisses%%s\n", "test", "test");
+    CPRINTF_TEST("%%s%-10s %c he went home \'\"%d %#o %#llx %1.5f %1.2E\n",
+                 "hello", 'A', 1, 0xff, 0xfffffffffffffULL, 3.141592653589,
+                 1.1e10);
+
+    CPRINTF_TEST("another test\n");
+
+    CPRINTF_TEST("%-10s %c he home \'\"%d %#o %#llx %1.5f %1.2E\n",
+                 "hello", 'A', 1, 0xff, 0xfffffffffffffULL,
+                 3.14159265, 1.1e10);
+}
+
+TEST(CPrintf, FloatingPoint)
+{
+    double f = 314159.26535897932384;
+
+    CPRINTF_TEST("%1.8f\n", f);
+    CPRINTF_TEST("%2.8f\n", f);
+    CPRINTF_TEST("%3.8f\n", f);
+    CPRINTF_TEST("%4.8f\n", f);
+    CPRINTF_TEST("%5.8f\n", f);
+    CPRINTF_TEST("%6.8f\n", f);
+    CPRINTF_TEST("%12.8f\n", f);
+    CPRINTF_TEST("%1000.8f\n", f);
+    CPRINTF_TEST("%1.0f\n", f);
+    CPRINTF_TEST("%1.1f\n", f);
+    CPRINTF_TEST("%1.2f\n", f);
+    CPRINTF_TEST("%1.3f\n", f);
+    CPRINTF_TEST("%1.4f\n", f);
+    CPRINTF_TEST("%1.5f\n", f);
+    CPRINTF_TEST("%1.6f\n", f);
+    CPRINTF_TEST("%1.7f\n", f);
+    CPRINTF_TEST("%1.8f\n", f);
+    CPRINTF_TEST("%1.9f\n", f);
+    CPRINTF_TEST("%1.10f\n", f);
+    CPRINTF_TEST("%1.11f\n", f);
+    CPRINTF_TEST("%1.12f\n", f);
+    CPRINTF_TEST("%1.13f\n", f);
+    CPRINTF_TEST("%1.14f\n", f);
+    CPRINTF_TEST("%1.15f\n", f);
+    CPRINTF_TEST("%1.16f\n", f);
+    CPRINTF_TEST("%1.17f\n", f);
+    CPRINTF_TEST("%1.18f\n", f);
+
+    f = 0.00000026535897932384;
+    CPRINTF_TEST("%1.8f\n", f);
+    CPRINTF_TEST("%2.8f\n", f);
+    CPRINTF_TEST("%3.8f\n", f);
+    CPRINTF_TEST("%4.8f\n", f);
+    CPRINTF_TEST("%5.8f\n", f);
+    CPRINTF_TEST("%6.8f\n", f);
+    CPRINTF_TEST("%12.8f\n", f);
+    CPRINTF_TEST("%1.0f\n", f);
+    CPRINTF_TEST("%1.1f\n", f);
+    CPRINTF_TEST("%1.2f\n", f);
+    CPRINTF_TEST("%1.3f\n", f);
+    CPRINTF_TEST("%1.4f\n", f);
+    CPRINTF_TEST("%1.5f\n", f);
+    CPRINTF_TEST("%1.6f\n", f);
+    CPRINTF_TEST("%1.7f\n", f);
+    CPRINTF_TEST("%1.8f\n", f);
+    CPRINTF_TEST("%1.9f\n", f);
+    CPRINTF_TEST("%1.10f\n", f);
+    CPRINTF_TEST("%1.11f\n", f);
+    CPRINTF_TEST("%1.12f\n", f);
+    CPRINTF_TEST("%1.13f\n", f);
+    CPRINTF_TEST("%1.14f\n", f);
+    CPRINTF_TEST("%1.15f\n", f);
+    CPRINTF_TEST("%1.16f\n", f);
+    CPRINTF_TEST("%1.17f\n", f);
+    CPRINTF_TEST("%1.18f\n", f);
+
+    f = 0.00000026535897932384;
+    CPRINTF_TEST("%1.8e\n", f);
+    CPRINTF_TEST("%2.8e\n", f);
+    CPRINTF_TEST("%3.8e\n", f);
+    CPRINTF_TEST("%4.8e\n", f);
+    CPRINTF_TEST("%5.8e\n", f);
+    CPRINTF_TEST("%6.8e\n", f);
+    CPRINTF_TEST("%12.8e\n", f);
+    CPRINTF_TEST("%1.0e\n", f);
+    CPRINTF_TEST("%1.1e\n", f);
+    CPRINTF_TEST("%1.2e\n", f);
+    CPRINTF_TEST("%1.3e\n", f);
+    CPRINTF_TEST("%1.4e\n", f);
+    CPRINTF_TEST("%1.5e\n", f);
+    CPRINTF_TEST("%1.6e\n", f);
+    CPRINTF_TEST("%1.7e\n", f);
+    CPRINTF_TEST("%1.8e\n", f);
+    CPRINTF_TEST("%1.9e\n", f);
+    CPRINTF_TEST("%1.10e\n", f);
+    CPRINTF_TEST("%1.11e\n", f);
+    CPRINTF_TEST("%1.12e\n", f);
+    CPRINTF_TEST("%1.13e\n", f);
+    CPRINTF_TEST("%1.14e\n", f);
+    CPRINTF_TEST("%1.15e\n", f);
+    CPRINTF_TEST("%1.16e\n", f);
+    CPRINTF_TEST("%1.17e\n", f);
+    CPRINTF_TEST("%1.18e\n", f);
+}
+
+TEST(CPrintf, Types)
+{
+    std::stringstream ss;
+
+    std::string foo1 = "string test";
+    ccprintf(ss, "%s\n", foo1);
+    EXPECT_EQ(ss.str(), "string test\n");
+    ss.str("");
+
+    std::stringstream foo2;
+    foo2 << "stringstream test";
+    ccprintf(ss, "%s\n", foo2);
+    EXPECT_EQ(ss.str(), "stringstream test\n");
+    ss.str("");
+
+    CPRINTF_TEST("%c  %c\n", 'c', 65);
+}
+
+TEST(CPrintf, SpecialFormatting)
+{
+    CPRINTF_TEST("%08.4f\n", 99.99);
+    CPRINTF_TEST("%0*.*f\n", 8, 4, 99.99);
+    CPRINTF_TEST("%07.*f\n", 4, 1.234);
+    CPRINTF_TEST("%#0*x\n", 9, 123412);
+}