gitMirror/googletest
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implements the MATCHER* macros.

Browse Source
This commit is contained in:
zhanyong.wan
2009-02-12 01:34:27 +00:00
parent 2f0849fef4
commit ce198ff899
8 changed files with 1479 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

338
test/gmock-generated-matchers_test.cc
View File

@@ -40,6 +40,7 @@
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <gtest/gtest-spi.h>
namespace {
@@ -59,6 +60,7 @@ using testing::Ne;
using testing::Not;
using testing::Pointee;
using testing::Ref;
using testing::StaticAssertTypeEq;
using testing::StrEq;
using testing::internal::string;
@@ -370,4 +372,340 @@ TEST(ElementsAreArrayTest, CanBeCreatedWithMatcherArray) {
EXPECT_THAT(test_vector, Not(ElementsAreArray(kMatcherArray)));
}
// Tests for the MATCHER*() macro family.
// Tests that a simple MATCHER() definition works.
MATCHER(IsEven, "") { return (arg % 2) == 0; }
TEST(MatcherMacroTest, Works) {
const Matcher<int> m = IsEven();
EXPECT_TRUE(m.Matches(6));
EXPECT_FALSE(m.Matches(7));
EXPECT_EQ("is even", Describe(m));
EXPECT_EQ("not (is even)", DescribeNegation(m));
EXPECT_EQ("", Explain(m, 6));
EXPECT_EQ("", Explain(m, 7));
}
// Tests that the description string supplied to MATCHER() must be
// empty.
MATCHER(HasBadDescription, "not empty?") {
return true;
}
TEST(MatcherMacroTest,
CreatingMatcherWithBadDescriptionGeneratesNonfatalFailure) {
EXPECT_NONFATAL_FAILURE(HasBadDescription(),
"The description string in a MATCHER*() macro "
"must be \"\" at this moment");
}
// Tests that the body of MATCHER() can reference the type of the
// value being matched.
MATCHER(IsEmptyString, "") {
StaticAssertTypeEq< ::std::string, arg_type>();
return arg == "";
}
MATCHER(IsEmptyStringByRef, "") {
StaticAssertTypeEq<const ::std::string&, arg_type>();
return arg == "";
}
TEST(MatcherMacroTest, CanReferenceArgType) {
const Matcher< ::std::string> m1 = IsEmptyString();
EXPECT_TRUE(m1.Matches(""));
const Matcher<const ::std::string&> m2 = IsEmptyStringByRef();
EXPECT_TRUE(m2.Matches(""));
}
// Tests that MATCHER() can be used in a namespace.
namespace matcher_test {
MATCHER(IsOdd, "") { return (arg % 2) != 0; }
} // namespace matcher_test
TEST(MatcherTest, WorksInNamespace) {
Matcher<int> m = matcher_test::IsOdd();
EXPECT_FALSE(m.Matches(4));
EXPECT_TRUE(m.Matches(5));
}
// Tests that a simple MATCHER_P() definition works.
MATCHER_P(IsGreaterThan32And, n, "") { return arg > 32 && arg > n; }
TEST(MatcherPMacroTest, Works) {
const Matcher<int> m = IsGreaterThan32And(5);
EXPECT_TRUE(m.Matches(36));
EXPECT_FALSE(m.Matches(5));
EXPECT_EQ("is greater than 32 and 5", Describe(m));
EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m));
EXPECT_EQ("", Explain(m, 36));
EXPECT_EQ("", Explain(m, 5));
}
// Tests that the description string supplied to MATCHER_P() must be
// empty.
MATCHER_P(HasBadDescription1, n, "not empty?") {
return arg > n;
}
TEST(MatcherPMacroTest,
CreatingMatcherWithBadDescriptionGeneratesNonfatalFailure) {
EXPECT_NONFATAL_FAILURE(HasBadDescription1(2),
"The description string in a MATCHER*() macro "
"must be \"\" at this moment");
}
// Tests that the description is calculated correctly from the matcher name.
MATCHER_P(_is_Greater_Than32and_, n, "") { return arg > 32 && arg > n; }
TEST(MatcherPMacroTest, GeneratesCorrectDescription) {
const Matcher<int> m = _is_Greater_Than32and_(5);
EXPECT_EQ("is greater than 32 and 5", Describe(m));
EXPECT_EQ("not (is greater than 32 and 5)", DescribeNegation(m));
EXPECT_EQ("", Explain(m, 36));
EXPECT_EQ("", Explain(m, 5));
}
// Tests that a MATCHER_P matcher can be explicitly instantiated with
// a reference parameter type.
class UncopyableFoo {
public:
explicit UncopyableFoo(char value) : value_(value) {}
private:
UncopyableFoo(const UncopyableFoo&);
void operator=(const UncopyableFoo&);
char value_;
};
MATCHER_P(ReferencesUncopyable, variable, "") { return &arg == &variable; }
TEST(MatcherPMacroTest, WorksWhenExplicitlyInstantiatedWithReference) {
UncopyableFoo foo1('1'), foo2('2');
const Matcher<const UncopyableFoo&> m =
ReferencesUncopyable<const UncopyableFoo&>(foo1);
EXPECT_TRUE(m.Matches(foo1));
EXPECT_FALSE(m.Matches(foo2));
// We don't want the address of the parameter printed, as most
// likely it will just annoy the user. If the address is
// interesting, the user should consider passing the parameter by
// pointer instead.
EXPECT_EQ("references uncopyable 1-byte object <31>", Describe(m));
}
// Tests that the description string supplied to MATCHER_Pn() must be
// empty.
MATCHER_P2(HasBadDescription2, m, n, "not empty?") {
return arg > m + n;
}
TEST(MatcherPnMacroTest,
CreatingMatcherWithBadDescriptionGeneratesNonfatalFailure) {
EXPECT_NONFATAL_FAILURE(HasBadDescription2(3, 4),
"The description string in a MATCHER*() macro "
"must be \"\" at this moment");
}
// Tests that the body of MATCHER_Pn() can reference the parameter
// types.
MATCHER_P3(ParamTypesAreIntLongAndChar, foo, bar, baz, "") {
StaticAssertTypeEq<int, foo_type>();
StaticAssertTypeEq<long, bar_type>(); // NOLINT
StaticAssertTypeEq<char, baz_type>();
return arg == 0;
}
TEST(MatcherPnMacroTest, CanReferenceParamTypes) {
EXPECT_THAT(0, ParamTypesAreIntLongAndChar(10, 20L, 'a'));
}
// Tests that a MATCHER_Pn matcher can be explicitly instantiated with
// reference parameter types.
MATCHER_P2(ReferencesAnyOf, variable1, variable2, "") {
return &arg == &variable1 || &arg == &variable2;
}
TEST(MatcherPnMacroTest, WorksWhenExplicitlyInstantiatedWithReferences) {
UncopyableFoo foo1('1'), foo2('2'), foo3('3');
const Matcher<const UncopyableFoo&> m =
ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2);
EXPECT_TRUE(m.Matches(foo1));
EXPECT_TRUE(m.Matches(foo2));
EXPECT_FALSE(m.Matches(foo3));
}
TEST(MatcherPnMacroTest,
GeneratesCorretDescriptionWhenExplicitlyInstantiatedWithReferences) {
UncopyableFoo foo1('1'), foo2('2');
const Matcher<const UncopyableFoo&> m =
ReferencesAnyOf<const UncopyableFoo&, const UncopyableFoo&>(foo1, foo2);
// We don't want the addresses of the parameters printed, as most
// likely they will just annoy the user. If the addresses are
// interesting, the user should consider passing the parameters by
// pointers instead.
EXPECT_EQ("references any of (1-byte object <31>, 1-byte object <32>)",
Describe(m));
}
// Tests that a simple MATCHER_P2() definition works.
MATCHER_P2(IsNotInClosedRange, low, hi, "") { return arg < low || arg > hi; }
TEST(MatcherPnMacroTest, Works) {
const Matcher<const long&> m = IsNotInClosedRange(10, 20); // NOLINT
EXPECT_TRUE(m.Matches(36L));
EXPECT_FALSE(m.Matches(15L));
EXPECT_EQ("is not in closed range (10, 20)", Describe(m));
EXPECT_EQ("not (is not in closed range (10, 20))", DescribeNegation(m));
EXPECT_EQ("", Explain(m, 36L));
EXPECT_EQ("", Explain(m, 15L));
}
// Tests that MATCHER*() definitions can be overloaded on the number
// of parameters; also tests MATCHER_Pn() where n >= 3.
MATCHER(EqualsSumOf, "") { return arg == 0; }
MATCHER_P(EqualsSumOf, a, "") { return arg == a; }
MATCHER_P2(EqualsSumOf, a, b, "") { return arg == a + b; }
MATCHER_P3(EqualsSumOf, a, b, c, "") { return arg == a + b + c; }
MATCHER_P4(EqualsSumOf, a, b, c, d, "") { return arg == a + b + c + d; }
MATCHER_P5(EqualsSumOf, a, b, c, d, e, "") { return arg == a + b + c + d + e; }
MATCHER_P6(EqualsSumOf, a, b, c, d, e, f, "") {
return arg == a + b + c + d + e + f;
}
MATCHER_P7(EqualsSumOf, a, b, c, d, e, f, g, "") {
return arg == a + b + c + d + e + f + g;
}
MATCHER_P8(EqualsSumOf, a, b, c, d, e, f, g, h, "") {
return arg == a + b + c + d + e + f + g + h;
}
MATCHER_P9(EqualsSumOf, a, b, c, d, e, f, g, h, i, "") {
return arg == a + b + c + d + e + f + g + h + i;
}
MATCHER_P10(EqualsSumOf, a, b, c, d, e, f, g, h, i, j, "") {
return arg == a + b + c + d + e + f + g + h + i + j;
}
TEST(MatcherPnMacroTest, CanBeOverloadedOnNumberOfParameters) {
EXPECT_THAT(0, EqualsSumOf());
EXPECT_THAT(1, EqualsSumOf(1));
EXPECT_THAT(12, EqualsSumOf(10, 2));
EXPECT_THAT(123, EqualsSumOf(100, 20, 3));
EXPECT_THAT(1234, EqualsSumOf(1000, 200, 30, 4));
EXPECT_THAT(12345, EqualsSumOf(10000, 2000, 300, 40, 5));
EXPECT_THAT("abcdef",
EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f'));
EXPECT_THAT("abcdefg",
EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g'));
EXPECT_THAT("abcdefgh",
EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h"));
EXPECT_THAT("abcdefghi",
EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h", 'i'));
EXPECT_THAT("abcdefghij",
EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h", 'i', ::std::string("j")));
EXPECT_THAT(1, Not(EqualsSumOf()));
EXPECT_THAT(-1, Not(EqualsSumOf(1)));
EXPECT_THAT(-12, Not(EqualsSumOf(10, 2)));
EXPECT_THAT(-123, Not(EqualsSumOf(100, 20, 3)));
EXPECT_THAT(-1234, Not(EqualsSumOf(1000, 200, 30, 4)));
EXPECT_THAT(-12345, Not(EqualsSumOf(10000, 2000, 300, 40, 5)));
EXPECT_THAT("abcdef ",
Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f')));
EXPECT_THAT("abcdefg ",
Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f',
'g')));
EXPECT_THAT("abcdefgh ",
Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h")));
EXPECT_THAT("abcdefghi ",
Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h", 'i')));
EXPECT_THAT("abcdefghij ",
Not(EqualsSumOf(::std::string("a"), 'b', 'c', "d", "e", 'f', 'g',
"h", 'i', ::std::string("j"))));
}
// Tests that a MATCHER_Pn() definition can be instantiated with any
// compatible parameter types.
TEST(MatcherPnMacroTest, WorksForDifferentParameterTypes) {
EXPECT_THAT(123, EqualsSumOf(100L, 20, static_cast<char>(3)));
EXPECT_THAT("abcd", EqualsSumOf(::std::string("a"), "b", 'c', "d"));
EXPECT_THAT(124, Not(EqualsSumOf(100L, 20, static_cast<char>(3))));
EXPECT_THAT("abcde", Not(EqualsSumOf(::std::string("a"), "b", 'c', "d")));
}
// Tests that the matcher body can promote the parameter types.
MATCHER_P2(EqConcat, prefix, suffix, "") {
// The following lines promote the two parameters to desired types.
std::string prefix_str(prefix);
char suffix_char(suffix);
return arg == prefix_str + suffix_char;
}
TEST(MatcherPnMacroTest, SimpleTypePromotion) {
Matcher<std::string> no_promo =
EqConcat(std::string("foo"), 't');
Matcher<const std::string&> promo =
EqConcat("foo", static_cast<int>('t'));
EXPECT_FALSE(no_promo.Matches("fool"));
EXPECT_FALSE(promo.Matches("fool"));
EXPECT_TRUE(no_promo.Matches("foot"));
EXPECT_TRUE(promo.Matches("foot"));
}
// Verifies the type of a MATCHER*.
TEST(MatcherPnMacroTest, TypesAreCorrect) {
// EqualsSumOf() must be assignable to a EqualsSumOfMatcher variable.
EqualsSumOfMatcher a0 = EqualsSumOf();
// EqualsSumOf(1) must be assignable to a EqualsSumOfMatcherP variable.
EqualsSumOfMatcherP<int> a1 = EqualsSumOf(1);
// EqualsSumOf(p1, ..., pk) must be assignable to a EqualsSumOfMatcherPk
// variable, and so on.
EqualsSumOfMatcherP2<int, char> a2 = EqualsSumOf(1, '2');
EqualsSumOfMatcherP3<int, int, char> a3 = EqualsSumOf(1, 2, '3');
EqualsSumOfMatcherP4<int, int, int, char> a4 = EqualsSumOf(1, 2, 3, '4');
EqualsSumOfMatcherP5<int, int, int, int, char> a5 =
EqualsSumOf(1, 2, 3, 4, '5');
EqualsSumOfMatcherP6<int, int, int, int, int, char> a6 =
EqualsSumOf(1, 2, 3, 4, 5, '6');
EqualsSumOfMatcherP7<int, int, int, int, int, int, char> a7 =
EqualsSumOf(1, 2, 3, 4, 5, 6, '7');
EqualsSumOfMatcherP8<int, int, int, int, int, int, int, char> a8 =
EqualsSumOf(1, 2, 3, 4, 5, 6, 7, '8');
EqualsSumOfMatcherP9<int, int, int, int, int, int, int, int, char> a9 =
EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, '9');
EqualsSumOfMatcherP10<int, int, int, int, int, int, int, int, int, char> a10 =
EqualsSumOf(1, 2, 3, 4, 5, 6, 7, 8, 9, '0');
}
} // namespace

34
test/gmock-internal-utils_test.cc
View File

@@ -50,6 +50,40 @@ namespace {
using ::std::tr1::tuple;
TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsNoWord) {
EXPECT_EQ("", ConvertIdentifierNameToWords(""));
EXPECT_EQ("", ConvertIdentifierNameToWords("_"));
EXPECT_EQ("", ConvertIdentifierNameToWords("__"));
}
TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsDigits) {
EXPECT_EQ("1", ConvertIdentifierNameToWords("_1"));
EXPECT_EQ("2", ConvertIdentifierNameToWords("2_"));
EXPECT_EQ("34", ConvertIdentifierNameToWords("_34_"));
EXPECT_EQ("34 56", ConvertIdentifierNameToWords("_34_56"));
}
TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContainsCamelCaseWords) {
EXPECT_EQ("a big word", ConvertIdentifierNameToWords("ABigWord"));
EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("FooBar"));
EXPECT_EQ("foo", ConvertIdentifierNameToWords("Foo_"));
EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_Foo_Bar_"));
EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_Foo__And_Bar"));
}
TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameContains_SeparatedWords) {
EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("foo_bar"));
EXPECT_EQ("foo", ConvertIdentifierNameToWords("_foo_"));
EXPECT_EQ("foo bar", ConvertIdentifierNameToWords("_foo_bar_"));
EXPECT_EQ("foo and bar", ConvertIdentifierNameToWords("_foo__and_bar"));
}
TEST(ConvertIdentifierNameToWordsTest, WorksWhenNameIsMixture) {
EXPECT_EQ("foo bar 123", ConvertIdentifierNameToWords("Foo_bar123"));
EXPECT_EQ("chapter 11 section 1",
ConvertIdentifierNameToWords("_Chapter11Section_1_"));
}
// Tests that CompileAssertTypesEqual compiles when the type arguments are
// equal.
TEST(CompileAssertTypesEqual, CompilesWhenTypesAreEqual) {

24
test/gmock-printers_test.cc
View File

@@ -152,6 +152,7 @@ using ::std::tr1::make_tuple;
using ::std::tr1::tuple;
using ::std::vector;
using ::testing::StartsWith;
using ::testing::internal::UniversalPrint;
using ::testing::internal::UniversalPrinter;
using ::testing::internal::string;
@@ -980,5 +981,28 @@ TEST(PrintReferenceTest, HandlesMemberVariablePointer) {
+ " " + Print(sizeof(p)) + "-byte object "));
}
TEST(PrintAsStringTest, WorksForNonReference) {
EXPECT_EQ("123", UniversalPrinter<int>::PrintAsString(123));
}
TEST(PrintAsStringTest, WorksForReference) {
int n = 123;
EXPECT_EQ("@" + PrintPointer(&n) + " 123",
UniversalPrinter<const int&>::PrintAsString(n));
}
TEST(UniversalPrintTest, WorksForNonReference) {
::std::stringstream ss;
UniversalPrint(123, &ss);
EXPECT_EQ("123", ss.str());
}
TEST(UniversalPrintTest, WorksForReference) {
const int& n = 123;
::std::stringstream ss;
UniversalPrint(n, &ss);
EXPECT_EQ("123", ss.str());
}
} // namespace gmock_printers_test
} // namespace testing