2008-12-10 06:08:54 +01:00
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// Copyright 2007, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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2018-08-14 20:04:07 +02:00
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2008-12-10 06:08:54 +01:00
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// Google Mock - a framework for writing C++ mock classes.
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//
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// This file tests the built-in cardinalities.
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2010-09-14 07:38:21 +02:00
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "gtest/gtest-spi.h"
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2008-12-10 06:08:54 +01:00
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namespace {
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using std::stringstream;
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using testing::AnyNumber;
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using testing::AtLeast;
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using testing::AtMost;
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using testing::Between;
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using testing::Cardinality;
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using testing::CardinalityInterface;
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using testing::Exactly;
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using testing::IsSubstring;
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using testing::MakeCardinality;
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class MockFoo {
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public:
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2009-12-23 01:13:23 +01:00
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MockFoo() {}
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2008-12-10 06:08:54 +01:00
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MOCK_METHOD0(Bar, int()); // NOLINT
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2009-12-23 01:13:23 +01:00
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private:
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GTEST_DISALLOW_COPY_AND_ASSIGN_(MockFoo);
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2008-12-10 06:08:54 +01:00
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};
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// Tests that Cardinality objects can be default constructed.
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TEST(CardinalityTest, IsDefaultConstructable) {
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Cardinality c;
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}
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// Tests that Cardinality objects are copyable.
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TEST(CardinalityTest, IsCopyable) {
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// Tests the copy constructor.
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Cardinality c = Exactly(1);
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EXPECT_FALSE(c.IsSatisfiedByCallCount(0));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
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EXPECT_TRUE(c.IsSaturatedByCallCount(1));
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// Tests the assignment operator.
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c = Exactly(2);
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EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
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EXPECT_TRUE(c.IsSaturatedByCallCount(2));
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}
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TEST(CardinalityTest, IsOverSaturatedByCallCountWorks) {
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const Cardinality c = AtMost(5);
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EXPECT_FALSE(c.IsOverSaturatedByCallCount(4));
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EXPECT_FALSE(c.IsOverSaturatedByCallCount(5));
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EXPECT_TRUE(c.IsOverSaturatedByCallCount(6));
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}
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// Tests that Cardinality::DescribeActualCallCountTo() creates the
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// correct description.
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TEST(CardinalityTest, CanDescribeActualCallCount) {
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stringstream ss0;
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Cardinality::DescribeActualCallCountTo(0, &ss0);
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EXPECT_EQ("never called", ss0.str());
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stringstream ss1;
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Cardinality::DescribeActualCallCountTo(1, &ss1);
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EXPECT_EQ("called once", ss1.str());
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stringstream ss2;
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Cardinality::DescribeActualCallCountTo(2, &ss2);
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EXPECT_EQ("called twice", ss2.str());
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stringstream ss3;
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Cardinality::DescribeActualCallCountTo(3, &ss3);
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EXPECT_EQ("called 3 times", ss3.str());
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}
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// Tests AnyNumber()
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TEST(AnyNumber, Works) {
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const Cardinality c = AnyNumber();
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_FALSE(c.IsSaturatedByCallCount(0));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
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EXPECT_FALSE(c.IsSaturatedByCallCount(1));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(9));
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EXPECT_FALSE(c.IsSaturatedByCallCount(9));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "called any number of times",
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ss.str());
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}
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TEST(AnyNumberTest, HasCorrectBounds) {
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const Cardinality c = AnyNumber();
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EXPECT_EQ(0, c.ConservativeLowerBound());
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EXPECT_EQ(INT_MAX, c.ConservativeUpperBound());
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}
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// Tests AtLeast(n).
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TEST(AtLeastTest, OnNegativeNumber) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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AtLeast(-1);
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}, "The invocation lower bound must be >= 0");
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}
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TEST(AtLeastTest, OnZero) {
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const Cardinality c = AtLeast(0);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_FALSE(c.IsSaturatedByCallCount(0));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
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EXPECT_FALSE(c.IsSaturatedByCallCount(1));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "any number of times",
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ss.str());
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}
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TEST(AtLeastTest, OnPositiveNumber) {
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const Cardinality c = AtLeast(2);
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EXPECT_FALSE(c.IsSatisfiedByCallCount(0));
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EXPECT_FALSE(c.IsSaturatedByCallCount(0));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
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EXPECT_FALSE(c.IsSaturatedByCallCount(1));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
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EXPECT_FALSE(c.IsSaturatedByCallCount(2));
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stringstream ss1;
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AtLeast(1).DescribeTo(&ss1);
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EXPECT_PRED_FORMAT2(IsSubstring, "at least once",
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ss1.str());
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stringstream ss2;
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c.DescribeTo(&ss2);
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EXPECT_PRED_FORMAT2(IsSubstring, "at least twice",
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ss2.str());
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stringstream ss3;
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AtLeast(3).DescribeTo(&ss3);
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EXPECT_PRED_FORMAT2(IsSubstring, "at least 3 times",
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ss3.str());
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}
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TEST(AtLeastTest, HasCorrectBounds) {
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const Cardinality c = AtLeast(2);
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EXPECT_EQ(2, c.ConservativeLowerBound());
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EXPECT_EQ(INT_MAX, c.ConservativeUpperBound());
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}
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// Tests AtMost(n).
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TEST(AtMostTest, OnNegativeNumber) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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AtMost(-1);
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}, "The invocation upper bound must be >= 0");
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}
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TEST(AtMostTest, OnZero) {
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const Cardinality c = AtMost(0);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_TRUE(c.IsSaturatedByCallCount(0));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
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EXPECT_TRUE(c.IsSaturatedByCallCount(1));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "never called",
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ss.str());
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}
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TEST(AtMostTest, OnPositiveNumber) {
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const Cardinality c = AtMost(2);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_FALSE(c.IsSaturatedByCallCount(0));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(1));
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EXPECT_FALSE(c.IsSaturatedByCallCount(1));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
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EXPECT_TRUE(c.IsSaturatedByCallCount(2));
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stringstream ss1;
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AtMost(1).DescribeTo(&ss1);
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EXPECT_PRED_FORMAT2(IsSubstring, "called at most once",
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ss1.str());
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stringstream ss2;
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c.DescribeTo(&ss2);
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EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice",
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ss2.str());
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stringstream ss3;
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AtMost(3).DescribeTo(&ss3);
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EXPECT_PRED_FORMAT2(IsSubstring, "called at most 3 times",
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ss3.str());
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}
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TEST(AtMostTest, HasCorrectBounds) {
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const Cardinality c = AtMost(2);
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EXPECT_EQ(0, c.ConservativeLowerBound());
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EXPECT_EQ(2, c.ConservativeUpperBound());
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}
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// Tests Between(m, n).
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TEST(BetweenTest, OnNegativeStart) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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Between(-1, 2);
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}, "The invocation lower bound must be >= 0, but is actually -1");
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}
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TEST(BetweenTest, OnNegativeEnd) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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Between(1, -2);
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}, "The invocation upper bound must be >= 0, but is actually -2");
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}
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TEST(BetweenTest, OnStartBiggerThanEnd) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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Between(2, 1);
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}, "The invocation upper bound (1) must be >= "
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"the invocation lower bound (2)");
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}
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TEST(BetweenTest, OnZeroStartAndZeroEnd) {
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const Cardinality c = Between(0, 0);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_TRUE(c.IsSaturatedByCallCount(0));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
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EXPECT_TRUE(c.IsSaturatedByCallCount(1));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "never called",
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ss.str());
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}
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TEST(BetweenTest, OnZeroStartAndNonZeroEnd) {
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const Cardinality c = Between(0, 2);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_FALSE(c.IsSaturatedByCallCount(0));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(2));
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EXPECT_TRUE(c.IsSaturatedByCallCount(2));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(4));
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EXPECT_TRUE(c.IsSaturatedByCallCount(4));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "called at most twice",
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ss.str());
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}
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TEST(BetweenTest, OnSameStartAndEnd) {
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const Cardinality c = Between(3, 3);
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EXPECT_FALSE(c.IsSatisfiedByCallCount(2));
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EXPECT_FALSE(c.IsSaturatedByCallCount(2));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(3));
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EXPECT_TRUE(c.IsSaturatedByCallCount(3));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(4));
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EXPECT_TRUE(c.IsSaturatedByCallCount(4));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "called 3 times",
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ss.str());
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}
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TEST(BetweenTest, OnDifferentStartAndEnd) {
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const Cardinality c = Between(3, 5);
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EXPECT_FALSE(c.IsSatisfiedByCallCount(2));
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EXPECT_FALSE(c.IsSaturatedByCallCount(2));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(3));
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EXPECT_FALSE(c.IsSaturatedByCallCount(3));
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EXPECT_TRUE(c.IsSatisfiedByCallCount(5));
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EXPECT_TRUE(c.IsSaturatedByCallCount(5));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(6));
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EXPECT_TRUE(c.IsSaturatedByCallCount(6));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "called between 3 and 5 times",
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ss.str());
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}
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TEST(BetweenTest, HasCorrectBounds) {
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const Cardinality c = Between(3, 5);
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EXPECT_EQ(3, c.ConservativeLowerBound());
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EXPECT_EQ(5, c.ConservativeUpperBound());
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}
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// Tests Exactly(n).
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TEST(ExactlyTest, OnNegativeNumber) {
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EXPECT_NONFATAL_FAILURE({ // NOLINT
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Exactly(-1);
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}, "The invocation lower bound must be >= 0");
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}
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TEST(ExactlyTest, OnZero) {
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const Cardinality c = Exactly(0);
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EXPECT_TRUE(c.IsSatisfiedByCallCount(0));
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EXPECT_TRUE(c.IsSaturatedByCallCount(0));
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EXPECT_FALSE(c.IsSatisfiedByCallCount(1));
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EXPECT_TRUE(c.IsSaturatedByCallCount(1));
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stringstream ss;
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c.DescribeTo(&ss);
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EXPECT_PRED_FORMAT2(IsSubstring, "never called",
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ss.str());
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}
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TEST(ExactlyTest, OnPositiveNumber) {
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const Cardinality c = Exactly(2);
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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());
|
|
|
|
}
|
|
|
|
|
2017-09-27 14:31:13 +02:00
|
|
|
// Tests that a user can make their own cardinality by implementing
|
2008-12-10 06:08:54 +01:00
|
|
|
// CardinalityInterface and calling MakeCardinality().
|
|
|
|
|
|
|
|
class EvenCardinality : public CardinalityInterface {
|
|
|
|
public:
|
2019-07-26 11:48:08 +02:00
|
|
|
// Returns true if call_count calls will satisfy this cardinality.
|
2018-12-03 17:30:02 +01:00
|
|
|
bool IsSatisfiedByCallCount(int call_count) const override {
|
2008-12-10 06:08:54 +01:00
|
|
|
return (call_count % 2 == 0);
|
|
|
|
}
|
|
|
|
|
2019-07-26 11:48:08 +02:00
|
|
|
// Returns true if call_count calls will saturate this cardinality.
|
2018-12-03 17:30:02 +01:00
|
|
|
bool IsSaturatedByCallCount(int /* call_count */) const override {
|
2009-12-23 01:13:23 +01:00
|
|
|
return false;
|
|
|
|
}
|
2008-12-10 06:08:54 +01:00
|
|
|
|
|
|
|
// Describes self to an ostream.
|
2018-12-03 17:30:02 +01:00
|
|
|
void DescribeTo(::std::ostream* ss) const override {
|
2008-12-10 06:08:54 +01:00
|
|
|
*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
|