91 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			91 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| //golangcitest:args -Espancheck
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| package spancheck
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| 
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| import (
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| 	"context"
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| 	"errors"
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| 	"fmt"
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| 
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| 	"go.opentelemetry.io/otel"
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| 	"go.opentelemetry.io/otel/codes"
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| )
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| 
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| type testDefaultError struct{}
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| 
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| func (e *testDefaultError) Error() string {
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| 	return "foo"
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| }
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| 
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| // incorrect
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| 
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| func _() {
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| 	otel.Tracer("foo").Start(context.Background(), "bar")           // want "span is unassigned, probable memory leak"
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| 	ctx, _ := otel.Tracer("foo").Start(context.Background(), "bar") // want "span is unassigned, probable memory leak"
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| 	fmt.Print(ctx)
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| }
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| 
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| func _() {
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| 	ctx, span := otel.Tracer("foo").Start(context.Background(), "bar") // want "span.End is not called on all paths, possible memory leak"
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| 	print(ctx.Done(), span.IsRecording())
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| } // want "return can be reached without calling span.End"
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| 
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| func _() {
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| 	var ctx, span = otel.Tracer("foo").Start(context.Background(), "bar") // want "span.End is not called on all paths, possible memory leak"
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| 	print(ctx.Done(), span.IsRecording())
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| } // want "return can be reached without calling span.End"
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| 
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| func _() {
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| 	_, span := otel.Tracer("foo").Start(context.Background(), "bar") // want "span.End is not called on all paths, possible memory leak"
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| 	_, span = otel.Tracer("foo").Start(context.Background(), "bar")
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| 	fmt.Print(span)
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| 	defer span.End()
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| } // want "return can be reached without calling span.End"
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| 
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| // correct
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| 
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| func _() error {
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| 	_, span := otel.Tracer("foo").Start(context.Background(), "bar")
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| 	defer span.End()
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| 
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| 	return nil
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| }
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| 
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| func _() error {
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| 	_, span := otel.Tracer("foo").Start(context.Background(), "bar")
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| 	defer span.End()
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| 
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| 	if true {
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| 		return nil
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| 	}
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| 
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| 	return nil
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| }
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| 
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| func _() error {
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| 	_, span := otel.Tracer("foo").Start(context.Background(), "bar")
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| 	defer span.End()
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| 
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| 	if false {
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| 		err := errors.New("foo")
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| 		span.SetStatus(codes.Error, err.Error())
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| 		span.RecordError(err)
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| 		return err
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| 	}
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| 
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| 	if true {
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| 		span.SetStatus(codes.Error, "foo")
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| 		span.RecordError(errors.New("foo"))
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| 		return errors.New("bar")
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| 	}
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| 
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| 	return nil
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| }
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| 
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| func _() {
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| 	_, span := otel.Tracer("foo").Start(context.Background(), "bar")
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| 	defer span.End()
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| 
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| 	_, span = otel.Tracer("foo").Start(context.Background(), "bar")
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| 	defer span.End()
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| }
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