summaryrefslogtreecommitdiffstats
path: root/docs/gmock_cook_book.md
diff options
context:
space:
mode:
Diffstat (limited to 'docs/gmock_cook_book.md')
-rw-r--r--docs/gmock_cook_book.md46
1 files changed, 24 insertions, 22 deletions
diff --git a/docs/gmock_cook_book.md b/docs/gmock_cook_book.md
index d57be58..f736b9f 100644
--- a/docs/gmock_cook_book.md
+++ b/docs/gmock_cook_book.md
@@ -697,9 +697,9 @@ TEST(AbcTest, Xyz) {
EXPECT_CALL(foo, DoThat(_, _));
int n = 0;
- EXPECT_EQ('+', foo.DoThis(5)); // FakeFoo::DoThis() is invoked.
+ EXPECT_EQ(foo.DoThis(5), '+'); // FakeFoo::DoThis() is invoked.
foo.DoThat("Hi", &n); // FakeFoo::DoThat() is invoked.
- EXPECT_EQ(2, n);
+ EXPECT_EQ(n, 2);
}
```
@@ -1129,11 +1129,11 @@ using STL's `<functional>` header is just painful). For example, here's a
predicate that's satisfied by any number that is >= 0, <= 100, and != 50:
```cpp
-using testing::AllOf;
-using testing::Ge;
-using testing::Le;
-using testing::Matches;
-using testing::Ne;
+using ::testing::AllOf;
+using ::testing::Ge;
+using ::testing::Le;
+using ::testing::Matches;
+using ::testing::Ne;
...
Matches(AllOf(Ge(0), Le(100), Ne(50)))
```
@@ -1861,7 +1861,7 @@ error. So, what shall you do?
Though you may be tempted, DO NOT use `std::ref()`:
```cpp
-using testing::Return;
+using ::testing::Return;
class MockFoo : public Foo {
public:
@@ -1873,7 +1873,7 @@ class MockFoo : public Foo {
EXPECT_CALL(foo, GetValue())
.WillRepeatedly(Return(std::ref(x))); // Wrong!
x = 42;
- EXPECT_EQ(42, foo.GetValue());
+ EXPECT_EQ(foo.GetValue(), 42);
```
Unfortunately, it doesn't work here. The above code will fail with error:
@@ -1895,14 +1895,14 @@ the expectation is set, and `Return(std::ref(x))` will always return 0.
returns the value pointed to by `pointer` at the time the action is *executed*:
```cpp
-using testing::ReturnPointee;
+using ::testing::ReturnPointee;
...
int x = 0;
MockFoo foo;
EXPECT_CALL(foo, GetValue())
.WillRepeatedly(ReturnPointee(&x)); // Note the & here.
x = 42;
- EXPECT_EQ(42, foo.GetValue()); // This will succeed now.
+ EXPECT_EQ(foo.GetValue(), 42); // This will succeed now.
```
### Combining Actions
@@ -2264,7 +2264,7 @@ TEST_F(FooTest, Test) {
EXPECT_CALL(foo, DoThis(2))
.WillOnce(Invoke(NewPermanentCallback(SignOfSum, 5)));
- EXPECT_EQ('+', foo.DoThis(2)); // Invokes SignOfSum(5, 2).
+ EXPECT_EQ(foo.DoThis(2), '+'); // Invokes SignOfSum(5, 2).
}
```
@@ -2771,11 +2771,13 @@ returns a null `unique_ptr`, that’s what you’ll get if you don’t specify a
action:
```cpp
+using ::testing::IsNull;
+...
// Use the default action.
EXPECT_CALL(mock_buzzer_, MakeBuzz("hello"));
// Triggers the previous EXPECT_CALL.
- EXPECT_EQ(nullptr, mock_buzzer_.MakeBuzz("hello"));
+ EXPECT_THAT(mock_buzzer_.MakeBuzz("hello"), IsNull());
```
If you are not happy with the default action, you can tweak it as usual; see
@@ -3194,9 +3196,9 @@ flag. For example, given the test program:
```cpp
#include "gmock/gmock.h"
-using testing::_;
-using testing::HasSubstr;
-using testing::Return;
+using ::testing::_;
+using ::testing::HasSubstr;
+using ::testing::Return;
class MockFoo {
public:
@@ -3817,15 +3819,15 @@ If the built-in actions don't work for you, you can easily define your own one.
All you need is a call operator with a signature compatible with the mocked
function. So you can use a lambda:
-```
+```cpp
MockFunction<int(int)> mock;
EXPECT_CALL(mock, Call).WillOnce([](const int input) { return input * 7; });
-EXPECT_EQ(14, mock.AsStdFunction()(2));
+EXPECT_EQ(mock.AsStdFunction()(2), 14);
```
Or a struct with a call operator (even a templated one):
-```
+```cpp
struct MultiplyBy {
template <typename T>
T operator()(T arg) { return arg * multiplier; }
@@ -3840,16 +3842,16 @@ struct MultiplyBy {
It's also fine for the callable to take no arguments, ignoring the arguments
supplied to the mock function:
-```
+```cpp
MockFunction<int(int)> mock;
EXPECT_CALL(mock, Call).WillOnce([] { return 17; });
-EXPECT_EQ(17, mock.AsStdFunction()(0));
+EXPECT_EQ(mock.AsStdFunction()(0), 17);
```
When used with `WillOnce`, the callable can assume it will be called at most
once and is allowed to be a move-only type:
-```
+```cpp
// An action that contains move-only types and has an &&-qualified operator,
// demanding in the type system that it be called at most once. This can be
// used with WillOnce, but the compiler will reject it if handed to