429 lines
12 KiB
C++
429 lines
12 KiB
C++
|
// Copyright 2007, 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.
|
||
|
|
//
|
||
|
|
// Author: wan@google.com (Zhanyong Wan)
|
||
|
|
|
||
|
|
// Google Mock - a framework for writing C++ mock classes.
|
||
|
|
//
|
||
|
|
// This file tests the built-in cardinalities.
|
||
|
|
|
||
|
|
#include "gmock/gmock.h"
|
||
|
|
#include "gtest/gtest.h"
|
||
|
|
#include "gtest/gtest-spi.h"
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
using std::stringstream;
|
||
|
|
using testing::AnyNumber;
|
||
|
|
using testing::AtLeast;
|
||
|
|
using testing::AtMost;
|
||
|
|
using testing::Between;
|
||
|
|
using testing::Cardinality;
|
||
|
|
using testing::CardinalityInterface;
|
||
|
|
using testing::Exactly;
|
||
|
|
using testing::IsSubstring;
|
||
|
|
using testing::MakeCardinality;
|
||
|
|
|
||
|
|
class MockFoo {
|
||
|
|
public:
|
||
|
|
MockFoo() {}
|
||
|
|
MOCK_METHOD0(Bar, int()); // NOLINT
|
||
|
|
|
||
|
|
private:
|
||
|
|
GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
|
||
|
|
};
|
||
|
|
|
||
|
|
// Tests that Cardinality objects can be default constructed.
|
||
|
|
TEST(CardinalityTest, IsDefaultConstructable) {
|
||
|
|
Cardinality c;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests that Cardinality objects are copyable.
|
||
|
|
TEST(CardinalityTest, IsCopyable) {
|
||
|
|
// Tests the copy constructor.
|
||
|
|
Cardinality c = Exactly(1);
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
// Tests the assignment operator.
|
||
|
|
c = Exactly(2);
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(2));
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(CardinalityTest, IsOverSaturatedByCallCountWorks) {
|
||
|
|
const Cardinality c = AtMost(5);
|
||
|
|
EXPECT_FALSE(c.IsOverSaturatedByCallCount(4));
|
||
|
|
EXPECT_FALSE(c.IsOverSaturatedByCallCount(5));
|
||
|
|
EXPECT_TRUE(c.IsOverSaturatedByCallCount(6));
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests that Cardinality::DescribeActualCallCountTo() creates the
|
||
|
|
// correct description.
|
||
|
|
TEST(CardinalityTest, CanDescribeActualCallCount) {
|
||
|
|
stringstream ss0;
|
||
|
|
Cardinality::DescribeActualCallCountTo(0, &ss0);
|
||
|
|
EXPECT_EQ("never called", ss0.str());
|
||
|
|
|
||
|
|
stringstream ss1;
|
||
|
|
Cardinality::DescribeActualCallCountTo(1, &ss1);
|
||
|
|
EXPECT_EQ("called once", ss1.str());
|
||
|
|
|
||
|
|
stringstream ss2;
|
||
|
|
Cardinality::DescribeActualCallCountTo(2, &ss2);
|
||
|
|
EXPECT_EQ("called twice", ss2.str());
|
||
|
|
|
||
|
|
stringstream ss3;
|
||
|
|
Cardinality::DescribeActualCallCountTo(3, &ss3);
|
||
|
|
EXPECT_EQ("called 3 times", ss3.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests AnyNumber()
|
||
|
|
TEST(AnyNumber, Works) {
|
||
|
|
const Cardinality c = AnyNumber();
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(9));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(9));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called any number of times",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AnyNumberTest, HasCorrectBounds) {
|
||
|
|
const Cardinality c = AnyNumber();
|
||
|
|
EXPECT_EQ(0, c.ConservativeLowerBound());
|
||
|
|
EXPECT_EQ(INT_MAX, c.ConservativeUpperBound());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests AtLeast(n).
|
||
|
|
|
||
|
|
TEST(AtLeastTest, OnNegativeNumber) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
AtLeast(-1);
|
||
|
|
}, "The invocation lower bound must be >= 0");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtLeastTest, OnZero) {
|
||
|
|
const Cardinality c = AtLeast(0);
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "any number of times",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtLeastTest, OnPositiveNumber) {
|
||
|
|
const Cardinality c = AtLeast(2);
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
stringstream ss1;
|
||
|
|
AtLeast(1).DescribeTo(&ss1);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "at least once",
|
||
|
|
ss1.str());
|
||
|
|
|
||
|
|
stringstream ss2;
|
||
|
|
c.DescribeTo(&ss2);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "at least twice",
|
||
|
|
ss2.str());
|
||
|
|
|
||
|
|
stringstream ss3;
|
||
|
|
AtLeast(3).DescribeTo(&ss3);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "at least 3 times",
|
||
|
|
ss3.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtLeastTest, HasCorrectBounds) {
|
||
|
|
const Cardinality c = AtLeast(2);
|
||
|
|
EXPECT_EQ(2, c.ConservativeLowerBound());
|
||
|
|
EXPECT_EQ(INT_MAX, c.ConservativeUpperBound());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests AtMost(n).
|
||
|
|
|
||
|
|
TEST(AtMostTest, OnNegativeNumber) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
AtMost(-1);
|
||
|
|
}, "The invocation upper bound must be >= 0");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtMostTest, OnZero) {
|
||
|
|
const Cardinality c = AtMost(0);
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "never called",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtMostTest, OnPositiveNumber) {
|
||
|
|
const Cardinality c = AtMost(2);
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
stringstream ss1;
|
||
|
|
AtMost(1).DescribeTo(&ss1);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called at most once",
|
||
|
|
ss1.str());
|
||
|
|
|
||
|
|
stringstream ss2;
|
||
|
|
c.DescribeTo(&ss2);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice",
|
||
|
|
ss2.str());
|
||
|
|
|
||
|
|
stringstream ss3;
|
||
|
|
AtMost(3).DescribeTo(&ss3);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called at most 3 times",
|
||
|
|
ss3.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(AtMostTest, HasCorrectBounds) {
|
||
|
|
const Cardinality c = AtMost(2);
|
||
|
|
EXPECT_EQ(0, c.ConservativeLowerBound());
|
||
|
|
EXPECT_EQ(2, c.ConservativeUpperBound());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests Between(m, n).
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnNegativeStart) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
Between(-1, 2);
|
||
|
|
}, "The invocation lower bound must be >= 0, but is actually -1");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnNegativeEnd) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
Between(1, -2);
|
||
|
|
}, "The invocation upper bound must be >= 0, but is actually -2");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnStartBiggerThanEnd) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
Between(2, 1);
|
||
|
|
}, "The invocation upper bound (1) must be >= "
|
||
|
|
"the invocation lower bound (2)");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnZeroStartAndZeroEnd) {
|
||
|
|
const Cardinality c = Between(0, 0);
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "never called",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnZeroStartAndNonZeroEnd) {
|
||
|
|
const Cardinality c = Between(0, 2);
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(4));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(4));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnSameStartAndEnd) {
|
||
|
|
const Cardinality c = Between(3, 3);
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(3));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(3));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(4));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(4));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, OnDifferentStartAndEnd) {
|
||
|
|
const Cardinality c = Between(3, 5);
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(3));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(3));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(5));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(5));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(6));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(6));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called between 3 and 5 times",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(BetweenTest, HasCorrectBounds) {
|
||
|
|
const Cardinality c = Between(3, 5);
|
||
|
|
EXPECT_EQ(3, c.ConservativeLowerBound());
|
||
|
|
EXPECT_EQ(5, c.ConservativeUpperBound());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests Exactly(n).
|
||
|
|
|
||
|
|
TEST(ExactlyTest, OnNegativeNumber) {
|
||
|
|
EXPECT_NONFATAL_FAILURE({ // NOLINT
|
||
|
|
Exactly(-1);
|
||
|
|
}, "The invocation lower bound must be >= 0");
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ExactlyTest, OnZero) {
|
||
|
|
const Cardinality c = Exactly(0);
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(1));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "never called",
|
||
|
|
ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ExactlyTest, OnPositiveNumber) {
|
||
|
|
const Cardinality c = Exactly(2);
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(0));
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(0));
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_TRUE(c.IsSaturatedByCallCount(2));
|
||
|
|
|
||
|
|
stringstream ss1;
|
||
|
|
Exactly(1).DescribeTo(&ss1);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called once",
|
||
|
|
ss1.str());
|
||
|
|
|
||
|
|
stringstream ss2;
|
||
|
|
c.DescribeTo(&ss2);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called twice",
|
||
|
|
ss2.str());
|
||
|
|
|
||
|
|
stringstream ss3;
|
||
|
|
Exactly(3).DescribeTo(&ss3);
|
||
|
|
EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times",
|
||
|
|
ss3.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
TEST(ExactlyTest, HasCorrectBounds) {
|
||
|
|
const Cardinality c = Exactly(3);
|
||
|
|
EXPECT_EQ(3, c.ConservativeLowerBound());
|
||
|
|
EXPECT_EQ(3, c.ConservativeUpperBound());
|
||
|
|
}
|
||
|
|
|
||
|
|
// Tests that a user can make his own cardinality by implementing
|
||
|
|
// CardinalityInterface and calling MakeCardinality().
|
||
|
|
|
||
|
|
class EvenCardinality : public CardinalityInterface {
|
||
|
|
public:
|
||
|
|
// Returns true iff call_count calls will satisfy this cardinality.
|
||
|
|
virtual bool IsSatisfiedByCallCount(int call_count) const {
|
||
|
|
return (call_count % 2 == 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
// Returns true iff call_count calls will saturate this cardinality.
|
||
|
|
virtual bool IsSaturatedByCallCount(int /* call_count */) const {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Describes self to an ostream.
|
||
|
|
virtual void DescribeTo(::std::ostream* ss) const {
|
||
|
|
*ss << "called even number of times";
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
TEST(MakeCardinalityTest, ConstructsCardinalityFromInterface) {
|
||
|
|
const Cardinality c = MakeCardinality(new EvenCardinality);
|
||
|
|
|
||
|
|
EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
|
||
|
|
EXPECT_FALSE(c.IsSatisfiedByCallCount(3));
|
||
|
|
|
||
|
|
EXPECT_FALSE(c.IsSaturatedByCallCount(10000));
|
||
|
|
|
||
|
|
stringstream ss;
|
||
|
|
c.DescribeTo(&ss);
|
||
|
|
EXPECT_EQ("called even number of times", ss.str());
|
||
|
|
}
|
||
|
|
|
||
|
|
} // Unnamed namespace
|