From c2989fe29b6a75c61388272ae4cfdc9b70a12345 Mon Sep 17 00:00:00 2001
From: Abseil Team <absl-team@google.com>
Date: Sun, 18 Nov 2018 03:07:05 -0500
Subject: [PATCH] Googletest export
Add stringization based tests for gmock-pp.h macros
PiperOrigin-RevId: 221961835
---
googlemock/test/gmock-pp-string_test.cc | 204 ++++++++++++++++++++++++
1 file changed, 204 insertions(+)
create mode 100644 googlemock/test/gmock-pp-string_test.cc
diff --git a/googlemock/test/gmock-pp-string_test.cc b/googlemock/test/gmock-pp-string_test.cc
new file mode 100644
index 00000000..4147a844
--- /dev/null
+++ b/googlemock/test/gmock-pp-string_test.cc
@@ -0,0 +1,204 @@
+// Copyright 2018, Google Inc.
+// 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 Google Inc. 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.
+
+// Google Mock - a framework for writing C++ mock classes.
+//
+// This file tests the internal preprocessor macro library.
+#include "gmock/internal/gmock-pp.h"
+
+#include "absl/strings/str_join.h"
+#include "absl/strings/str_split.h"
+#include "gmock/gmock.h"
+
+namespace testing {
+namespace {
+
+// Matcher to verify that to strings are identical up to whitespace
+// Not 100% correct, because it treats "AB" as equal to "A B".
+::testing::Matcher<string> SameExceptSpaces(absl::string_view s) {
+ auto remove_spaces = [](const absl::string_view& to_split) {
+ return absl::StrJoin(absl::StrSplit(to_split, ' '), "");
+ };
+ return ::testing::ResultOf(remove_spaces, remove_spaces(s));
+}
+
+// Verify that a macro expands to a given text. Ignores whitespace difference.
+// In MSVC, GMOCK_PP_STRINGIZE() returns nothing, rather than "". So concatenate
+// with an empty string.
+#define EXPECT_EXPANSION(Result, Macro) \
+ EXPECT_THAT("" GMOCK_PP_STRINGIZE(Macro), SameExceptSpaces(Result))
+
+TEST(Macros, Cat) {
+ EXPECT_EXPANSION("14", GMOCK_PP_CAT(1, 4));
+ EXPECT_EXPANSION("+=", GMOCK_PP_CAT(+, =));
+}
+
+TEST(Macros, Narg) {
+ EXPECT_EXPANSION("1", GMOCK_PP_NARG());
+ EXPECT_EXPANSION("1", GMOCK_PP_NARG(x));
+ EXPECT_EXPANSION("2", GMOCK_PP_NARG(x, y));
+ EXPECT_EXPANSION("3", GMOCK_PP_NARG(x, y, z));
+ EXPECT_EXPANSION("4", GMOCK_PP_NARG(x, y, z, w));
+
+ EXPECT_EXPANSION("0", GMOCK_PP_NARG0());
+ EXPECT_EXPANSION("1", GMOCK_PP_NARG0(x));
+ EXPECT_EXPANSION("2", GMOCK_PP_NARG0(x, y));
+}
+
+TEST(Macros, Comma) {
+ EXPECT_EXPANSION("0", GMOCK_PP_HAS_COMMA());
+ EXPECT_EXPANSION("1", GMOCK_PP_HAS_COMMA(, ));
+ EXPECT_EXPANSION("0", GMOCK_PP_HAS_COMMA((, )));
+}
+
+TEST(Macros, IsEmpty) {
+ EXPECT_EXPANSION("1", GMOCK_PP_IS_EMPTY());
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_EMPTY(, ));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_EMPTY(a));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_EMPTY(()));
+
+#define GMOCK_PP_INTERNAL_IS_EMPTY_TEST_1
+ EXPECT_EXPANSION("1", GMOCK_PP_IS_EMPTY(GMOCK_PP_INTERNAL_IS_EMPTY_TEST_1));
+}
+
+TEST(Macros, If) {
+ EXPECT_EXPANSION("1", GMOCK_PP_IF(1, 1, 2));
+ EXPECT_EXPANSION("2", GMOCK_PP_IF(0, 1, 2));
+}
+
+TEST(Macros, HeadTail) {
+ EXPECT_EXPANSION("1", GMOCK_PP_HEAD(1));
+ EXPECT_EXPANSION("1", GMOCK_PP_HEAD(1, 2));
+ EXPECT_EXPANSION("1", GMOCK_PP_HEAD(1, 2, 3));
+
+ EXPECT_EXPANSION("", GMOCK_PP_TAIL(1));
+ EXPECT_EXPANSION("2", GMOCK_PP_TAIL(1, 2));
+ EXPECT_EXPANSION("2", GMOCK_PP_HEAD(GMOCK_PP_TAIL(1, 2, 3)));
+}
+
+TEST(Macros, Parentheses) {
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_BEGIN_PARENS(sss));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_BEGIN_PARENS(sss()));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_BEGIN_PARENS(sss() sss));
+ EXPECT_EXPANSION("1", GMOCK_PP_IS_BEGIN_PARENS((sss)));
+ EXPECT_EXPANSION("1", GMOCK_PP_IS_BEGIN_PARENS((sss)ss));
+
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_ENCLOSED_PARENS(sss));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_ENCLOSED_PARENS(sss()));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_ENCLOSED_PARENS(sss() sss));
+ EXPECT_EXPANSION("1", GMOCK_PP_IS_ENCLOSED_PARENS((sss)));
+ EXPECT_EXPANSION("0", GMOCK_PP_IS_ENCLOSED_PARENS((sss)ss));
+
+ EXPECT_EXPANSION("1 + 1", GMOCK_PP_REMOVE_PARENS((1 + 1)));
+}
+
+TEST(Macros, Increment) {
+ EXPECT_EXPANSION("1", GMOCK_PP_INC(0));
+ EXPECT_EXPANSION("2", GMOCK_PP_INC(1));
+ EXPECT_EXPANSION("3", GMOCK_PP_INC(2));
+ EXPECT_EXPANSION("4", GMOCK_PP_INC(3));
+ EXPECT_EXPANSION("5", GMOCK_PP_INC(4));
+
+ EXPECT_EXPANSION("16", GMOCK_PP_INC(15));
+}
+
+#define JOINER_CAT(a, b) a##b
+#define JOINER(_N, _Data, _Elem) JOINER_CAT(_Data, _N) = _Elem
+
+TEST(Macros, Repeat) {
+ EXPECT_EXPANSION("", GMOCK_PP_REPEAT(JOINER, X, 0));
+ EXPECT_EXPANSION("X0=", GMOCK_PP_REPEAT(JOINER, X, 1));
+ EXPECT_EXPANSION("X0= X1=", GMOCK_PP_REPEAT(JOINER, X, 2));
+ EXPECT_EXPANSION("X0= X1= X2=", GMOCK_PP_REPEAT(JOINER, X, 3));
+ EXPECT_EXPANSION("X0= X1= X2= X3=", GMOCK_PP_REPEAT(JOINER, X, 4));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4=", GMOCK_PP_REPEAT(JOINER, X, 5));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5=", GMOCK_PP_REPEAT(JOINER, X, 6));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6=",
+ GMOCK_PP_REPEAT(JOINER, X, 7));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7=",
+ GMOCK_PP_REPEAT(JOINER, X, 8));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7= X8=",
+ GMOCK_PP_REPEAT(JOINER, X, 9));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7= X8= X9=",
+ GMOCK_PP_REPEAT(JOINER, X, 10));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7= X8= X9= X10=",
+ GMOCK_PP_REPEAT(JOINER, X, 11));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7= X8= X9= X10= X11=",
+ GMOCK_PP_REPEAT(JOINER, X, 12));
+ EXPECT_EXPANSION("X0= X1= X2= X3= X4= X5= X6= X7= X8= X9= X10= X11= X12=",
+ GMOCK_PP_REPEAT(JOINER, X, 13));
+ EXPECT_EXPANSION(
+ "X0= X1= X2= X3= X4= X5= X6= X7= X8= X9= X10= X11= X12= X13=",
+ GMOCK_PP_REPEAT(JOINER, X, 14));
+ EXPECT_EXPANSION(
+ "X0= X1= X2= X3= X4= X5= X6= X7= X8= X9= X10= X11= X12= X13= X14=",
+ GMOCK_PP_REPEAT(JOINER, X, 15));
+}
+TEST(Macros, ForEach) {
+ EXPECT_EXPANSION("", GMOCK_PP_FOR_EACH(JOINER, X, ()));
+ EXPECT_EXPANSION("X0=a", GMOCK_PP_FOR_EACH(JOINER, X, (a)));
+ EXPECT_EXPANSION("X0=a X1=b", GMOCK_PP_FOR_EACH(JOINER, X, (a, b)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c", GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d X4=e",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d X4=e X5=f",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d X4=e X5=f X6=g",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h)));
+ EXPECT_EXPANSION("X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i, j)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j X10=k",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i, j, k)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j X10=k X11=l",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i, j, k, l)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j X10=k X11=l X12=m",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i, j, k, l, m)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j X10=k X11=l X12=m "
+ "X13=n",
+ GMOCK_PP_FOR_EACH(JOINER, X, (a, b, c, d, e, f, g, h, i, j, k, l, m, n)));
+ EXPECT_EXPANSION(
+ "X0=a X1=b X2=c X3=d X4=e X5=f X6=g X7=h X8=i X9=j X10=k X11=l X12=m "
+ "X13=n X14=o",
+ GMOCK_PP_FOR_EACH(JOINER, X,
+ (a, b, c, d, e, f, g, h, i, j, k, l, m, n, o)));
+}
+
+} // namespace
+} // namespace testing
--
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