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emit_primitives_test.go
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emit_primitives_test.go
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package main
import (
"testing"
"bytes"
"go/parser"
)
func TestEmitType(t *testing.T) {
expectedValues := []string{
"some.selector.Expr",
"JustAType",
"interface{}",
"[]ArrayElements",
// "...VariadicType", -- ParseExpr() doesn't handle this well
"map[KeyType]ValueType",
"<-chan ReceiveType",
"chan<- SendType",
"map[<-chan mypackage.SomeType]map[interface{}]chan<- []pkgpkg.Type",
}
for _, v := range expectedValues {
e, err := parser.ParseExpr(v)
if err != nil {
t.Errorf("failed to parse type expression %q", v)
}
typeNameBuffer := new(bytes.Buffer)
emitType(typeNameBuffer, e)
emittedType := typeNameBuffer.String()
if v != emittedType {
t.Errorf("emitted type was incorrect: expected %q but got %q", v, emittedType)
}
}
}
func TestEmitValue(t *testing.T) {
expectedValues := []string{
"1234",
"5 + 5",
"myself",
"FunctionCall()",
"some_pkg.SomeVar",
"Charles{1, 2, 3, 4}",
"!0xFFFF",
"(666)",
"VeryComplex{(1234) + pkg.Value, !(44 * 32), ReturnSix(), a_value, {6}}",
}
for _, v := range expectedValues {
e, err := parser.ParseExpr(v)
if err != nil {
t.Errorf("failed to parse value expression %q", v)
}
valueNameBuffer := new(bytes.Buffer)
emitValue(valueNameBuffer, e)
emittedValue := valueNameBuffer.String()
if v != emittedValue {
t.Errorf("emitted value was incorrect: expected %q but got %q", v, emittedValue)
}
}
}