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path: root/src/testing/quick/quick.go
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Diffstat (limited to 'src/testing/quick/quick.go')
-rw-r--r--src/testing/quick/quick.go40
1 files changed, 16 insertions, 24 deletions
diff --git a/src/testing/quick/quick.go b/src/testing/quick/quick.go
index 0c2bf2d72b..1056aa2488 100644
--- a/src/testing/quick/quick.go
+++ b/src/testing/quick/quick.go
@@ -262,24 +262,21 @@ func (s *CheckEqualError) Error() string {
// t.Error(err)
// }
// }
-func Check(f interface{}, config *Config) (err error) {
+func Check(f interface{}, config *Config) error {
if config == nil {
config = &defaultConfig
}
fVal, fType, ok := functionAndType(f)
if !ok {
- err = SetupError("argument is not a function")
- return
+ return SetupError("argument is not a function")
}
if fType.NumOut() != 1 {
- err = SetupError("function does not return one value")
- return
+ return SetupError("function does not return one value")
}
if fType.Out(0).Kind() != reflect.Bool {
- err = SetupError("function does not return a bool")
- return
+ return SetupError("function does not return a bool")
}
arguments := make([]reflect.Value, fType.NumIn())
@@ -287,43 +284,39 @@ func Check(f interface{}, config *Config) (err error) {
maxCount := config.getMaxCount()
for i := 0; i < maxCount; i++ {
- err = arbitraryValues(arguments, fType, config, rand)
+ err := arbitraryValues(arguments, fType, config, rand)
if err != nil {
- return
+ return err
}
if !fVal.Call(arguments)[0].Bool() {
- err = &CheckError{i + 1, toInterfaces(arguments)}
- return
+ return &CheckError{i + 1, toInterfaces(arguments)}
}
}
- return
+ return nil
}
// CheckEqual looks for an input on which f and g return different results.
// It calls f and g repeatedly with arbitrary values for each argument.
// If f and g return different answers, CheckEqual returns a *CheckEqualError
// describing the input and the outputs.
-func CheckEqual(f, g interface{}, config *Config) (err error) {
+func CheckEqual(f, g interface{}, config *Config) error {
if config == nil {
config = &defaultConfig
}
x, xType, ok := functionAndType(f)
if !ok {
- err = SetupError("f is not a function")
- return
+ return SetupError("f is not a function")
}
y, yType, ok := functionAndType(g)
if !ok {
- err = SetupError("g is not a function")
- return
+ return SetupError("g is not a function")
}
if xType != yType {
- err = SetupError("functions have different types")
- return
+ return SetupError("functions have different types")
}
arguments := make([]reflect.Value, xType.NumIn())
@@ -331,21 +324,20 @@ func CheckEqual(f, g interface{}, config *Config) (err error) {
maxCount := config.getMaxCount()
for i := 0; i < maxCount; i++ {
- err = arbitraryValues(arguments, xType, config, rand)
+ err := arbitraryValues(arguments, xType, config, rand)
if err != nil {
- return
+ return err
}
xOut := toInterfaces(x.Call(arguments))
yOut := toInterfaces(y.Call(arguments))
if !reflect.DeepEqual(xOut, yOut) {
- err = &CheckEqualError{CheckError{i + 1, toInterfaces(arguments)}, xOut, yOut}
- return
+ return &CheckEqualError{CheckError{i + 1, toInterfaces(arguments)}, xOut, yOut}
}
}
- return
+ return nil
}
// arbitraryValues writes Values to args such that args contains Values