fix tests

cmd/read_test.go

@@ -111,7 +111,7 @@ true: true
 	if result.Error != nil {
 		t.Error(result.Error)
 	}
-	expectedOutput := `{"5":{"null":{"0.1":"deeply","false":"things"}},"true":true}
+	expectedOutput := `{"true":true,"5":{"null":{"0.1":"deeply","false":"things"}}}
 `
 	test.AssertResult(t, expectedOutput, result.Output)
 }
@@ -583,7 +583,7 @@ func TestReadMergeAnchorsExplodeJsonCmd(t *testing.T) {
 	if result.Error != nil {
 		t.Error(result.Error)
 	}
-	expectedOutput := `{"bar":{"b":2,"c":"oldbar","thing":"coconut"},"foo":{"a":"original","thing":"coolasdf","thirsty":"yep"},"foobar":{"a":"original","c":3,"thing":"ice","thirsty":"yep","thirty":"well beyond"},"foobarList":{"a":"original","b":2,"c":"newbar","thing":"coconut","thirsty":"yep"}}
+	expectedOutput := `{"foo":{"a":"original","thing":"coolasdf","thirsty":"yep"},"bar":{"b":2,"thing":"coconut","c":"oldbar"},"foobarList":{"c":"newbar","b":2,"thing":"coconut","a":"original","thirsty":"yep"},"foobar":{"thirty":"well beyond","thing":"ice","c":3,"a":"original","thirsty":"yep"}}
 `
 	test.AssertResult(t, expectedOutput, result.Output)
 }
@@ -962,6 +962,7 @@ b:
       value: 3
     - name: sam
       value: 4
+ab: must appear last
 `
 	test.AssertResult(t, expectedOutput, result.Output)
 }
@@ -1001,6 +1002,7 @@ b:
           value: 3
         - name: sam
           value: 4
+ab: must appear last
 `
 	test.AssertResult(t, expectedOutput, result.Output)
 }

examples/sample.json

@@ -1 +1 @@
-{"a":"Easy! as one two three","b":{"c":2,"d":[3,4],"e":[{"name":"fred","value":3},{"name":"sam","value":4}]}}
+{"a":"Easy! as one two three","b":{"c":2,"d":[3,4],"e":[{"name":"fred","value":3},{"name":"sam","value":4}]},"ab":"must appear last"}

pkg/yqlib/encoder.go

@@ -166,7 +166,9 @@ func (o orderedMap) MarshalJSON() ([]byte, error) {
 			return nil, err
 		}
 		buf.WriteByte(':')
-		enc.Encode(el.V)
+		if err := enc.Encode(el.V); err != nil {
+			return nil, err
+		}
 		if idx != len(o.kv)-1 {
 			buf.WriteByte(',')
 		}