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Add AllOfArray matcher that verifies a value matches all member of some array/container/list/set/..., e.g:
EXPECT_THAT(1, AnyOfArray({1, 2, 3}))
In the simplest form this is identical to AnyOf(1, 2, 3). But unlike that one it works on containers.

Add AnyOfArray matcher that verifies a value matches any member of some
array/container/list/set/...

PiperOrigin-RevId: 230403653
This commit is contained in:
Abseil Team
2019-01-22 16:50:28 -05:00
committed by Gennadiy Civil
parent 569fba4d74
commit fdc59ffd05
2 changed files with 255 additions and 0 deletions
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142
googlemock/test/gmock-generated-matchers_test.cc
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@@ -64,7 +64,9 @@ using std::stringstream;
using std::vector;
using testing::_;
using testing::AllOf;
using testing::AllOfArray;
using testing::AnyOf;
using testing::AnyOfArray;
using testing::Args;
using testing::Contains;
using testing::ElementsAre;
@@ -1094,6 +1096,146 @@ TEST(ContainsTest, WorksForTwoDimensionalNativeArray) {
EXPECT_THAT(a, Contains(Not(Contains(5))));
}
TEST(AllOfArrayTest, BasicForms) {
// Iterator
std::vector<int> v0{};
std::vector<int> v1{1};
std::vector<int> v2{2, 3};
std::vector<int> v3{4, 4, 4};
EXPECT_THAT(0, AllOfArray(v0.begin(), v0.end()));
EXPECT_THAT(1, AllOfArray(v1.begin(), v1.end()));
EXPECT_THAT(2, Not(AllOfArray(v1.begin(), v1.end())));
EXPECT_THAT(3, Not(AllOfArray(v2.begin(), v2.end())));
EXPECT_THAT(4, AllOfArray(v3.begin(), v3.end()));
// Pointer + size
int ar[6] = {1, 2, 3, 4, 4, 4};
EXPECT_THAT(0, AllOfArray(ar, 0));
EXPECT_THAT(1, AllOfArray(ar, 1));
EXPECT_THAT(2, Not(AllOfArray(ar, 1)));
EXPECT_THAT(3, Not(AllOfArray(ar + 1, 3)));
EXPECT_THAT(4, AllOfArray(ar + 3, 3));
// Array
// int ar0[0]; Not usable
int ar1[1] = {1};
int ar2[2] = {2, 3};
int ar3[3] = {4, 4, 4};
// EXPECT_THAT(0, Not(AllOfArray(ar0))); // Cannot work
EXPECT_THAT(1, AllOfArray(ar1));
EXPECT_THAT(2, Not(AllOfArray(ar1)));
EXPECT_THAT(3, Not(AllOfArray(ar2)));
EXPECT_THAT(4, AllOfArray(ar3));
// Container
EXPECT_THAT(0, AllOfArray(v0));
EXPECT_THAT(1, AllOfArray(v1));
EXPECT_THAT(2, Not(AllOfArray(v1)));
EXPECT_THAT(3, Not(AllOfArray(v2)));
EXPECT_THAT(4, AllOfArray(v3));
// Initializer
EXPECT_THAT(0, AllOfArray<int>({})); // Requires template arg.
EXPECT_THAT(1, AllOfArray({1}));
EXPECT_THAT(2, Not(AllOfArray({1})));
EXPECT_THAT(3, Not(AllOfArray({2, 3})));
EXPECT_THAT(4, AllOfArray({4, 4, 4}));
}
TEST(AllOfArrayTest, Matchers) {
// vector
std::vector<Matcher<int>> matchers{Ge(1), Lt(2)};
EXPECT_THAT(0, Not(AllOfArray(matchers)));
EXPECT_THAT(1, AllOfArray(matchers));
EXPECT_THAT(2, Not(AllOfArray(matchers)));
// initializer_list
EXPECT_THAT(0, Not(AllOfArray({Ge(0), Ge(1)})));
EXPECT_THAT(1, AllOfArray({Ge(0), Ge(1)}));
}
TEST(AnyOfArrayTest, BasicForms) {
// Iterator
std::vector<int> v0{};
std::vector<int> v1{1};
std::vector<int> v2{2, 3};
EXPECT_THAT(0, Not(AnyOfArray(v0.begin(), v0.end())));
EXPECT_THAT(1, AnyOfArray(v1.begin(), v1.end()));
EXPECT_THAT(2, Not(AnyOfArray(v1.begin(), v1.end())));
EXPECT_THAT(3, AnyOfArray(v2.begin(), v2.end()));
EXPECT_THAT(4, Not(AnyOfArray(v2.begin(), v2.end())));
// Pointer + size
int ar[3] = {1, 2, 3};
EXPECT_THAT(0, Not(AnyOfArray(ar, 0)));
EXPECT_THAT(1, AnyOfArray(ar, 1));
EXPECT_THAT(2, Not(AnyOfArray(ar, 1)));
EXPECT_THAT(3, AnyOfArray(ar + 1, 3));
EXPECT_THAT(4, Not(AnyOfArray(ar + 1, 3)));
// Array
// int ar0[0]; Not usable
int ar1[1] = {1};
int ar2[2] = {2, 3};
// EXPECT_THAT(0, Not(AnyOfArray(ar0))); // Cannot work
EXPECT_THAT(1, AnyOfArray(ar1));
EXPECT_THAT(2, Not(AnyOfArray(ar1)));
EXPECT_THAT(3, AnyOfArray(ar2));
EXPECT_THAT(4, Not(AnyOfArray(ar2)));
// Container
EXPECT_THAT(0, Not(AnyOfArray(v0)));
EXPECT_THAT(1, AnyOfArray(v1));
EXPECT_THAT(2, Not(AnyOfArray(v1)));
EXPECT_THAT(3, AnyOfArray(v2));
EXPECT_THAT(4, Not(AnyOfArray(v2)));
// Initializer
EXPECT_THAT(0, Not(AnyOfArray<int>({}))); // Requires template arg.
EXPECT_THAT(1, AnyOfArray({1}));
EXPECT_THAT(2, Not(AnyOfArray({1})));
EXPECT_THAT(3, AnyOfArray({2, 3}));
EXPECT_THAT(4, Not(AnyOfArray({2, 3})));
}
TEST(AnyOfArrayTest, Matchers) {
// We negate test AllOfArrayTest.Matchers.
// vector
std::vector<Matcher<int>> matchers{Lt(1), Ge(2)};
EXPECT_THAT(0, AnyOfArray(matchers));
EXPECT_THAT(1, Not(AnyOfArray(matchers)));
EXPECT_THAT(2, AnyOfArray(matchers));
// initializer_list
EXPECT_THAT(0, AnyOfArray({Lt(0), Lt(1)}));
EXPECT_THAT(1, Not(AllOfArray({Lt(0), Lt(1)})));
}
TEST(AnyOfArrayTest, ExplainsMatchResultCorrectly) {
// AnyOfArray and AllOfArry use the same underlying template-template,
// thus it is sufficient to test one here.
const std::vector<int> v0{};
const std::vector<int> v1{1};
const std::vector<int> v2{2, 3};
const Matcher<int> m0 = AnyOfArray(v0);
const Matcher<int> m1 = AnyOfArray(v1);
const Matcher<int> m2 = AnyOfArray(v2);
EXPECT_EQ("", Explain(m0, 0));
EXPECT_EQ("", Explain(m1, 1));
EXPECT_EQ("", Explain(m1, 2));
EXPECT_EQ("", Explain(m2, 3));
EXPECT_EQ("", Explain(m2, 4));
EXPECT_EQ("()", Describe(m0));
EXPECT_EQ("(is equal to 1)", Describe(m1));
EXPECT_EQ("(is equal to 2) or (is equal to 3)", Describe(m2));
EXPECT_EQ("()", DescribeNegation(m0));
EXPECT_EQ("(isn't equal to 1)", DescribeNegation(m1));
EXPECT_EQ("(isn't equal to 2) and (isn't equal to 3)", DescribeNegation(m2));
// Explain with matchers
const Matcher<int> g1 = AnyOfArray({GreaterThan(1)});
const Matcher<int> g2 = AnyOfArray({GreaterThan(1), GreaterThan(2)});
// Explains the first positiv match and all prior negative matches...
EXPECT_EQ("which is 1 less than 1", Explain(g1, 0));
EXPECT_EQ("which is the same as 1", Explain(g1, 1));
EXPECT_EQ("which is 1 more than 1", Explain(g1, 2));
EXPECT_EQ("which is 1 less than 1, and which is 2 less than 2",
Explain(g2, 0));
EXPECT_EQ("which is the same as 1, and which is 1 less than 2",
Explain(g2, 1));
EXPECT_EQ("which is 1 more than 1", // Only the first
Explain(g2, 2));
}
TEST(AllOfTest, HugeMatcher) {
// Verify that using AllOf with many arguments doesn't cause
// the compiler to exceed template instantiation depth limit.