Trigger an error when attempting to render text if font has not been set

1 files changed, 23 insertions, 0 deletions

diff --git a/fpdf_test.go b/fpdf_test.go
index 5781ad6..7da45aa 100644
--- a/fpdf_test.go
+++ b/fpdf_test.go
@@ -28,6 +28,7 @@ import (
 	"path/filepath"
 	"strconv"
 	"strings"
+	"testing"
 
 	"github.com/jung-kurt/gofpdf"
 	"github.com/jung-kurt/gofpdf/internal/example"
@@ -55,6 +56,28 @@ func cleanup() {
 		})
 }
 
+// TestIssue0116 addresses issue 116 in which library silently fails after
+// calling CellFormat when no font has been set.
+func TestIssue0116(t *testing.T) {
+	var pdf *gofpdf.Fpdf
+
+	pdf = gofpdf.New("P", "mm", "A4", "")
+	pdf.AddPage()
+	pdf.SetFont("Arial", "B", 16)
+	pdf.Cell(40, 10, "OK")
+	if pdf.Error() != nil {
+		t.Fatalf("not expecting error when rendering text")
+	}
+
+	pdf = gofpdf.New("P", "mm", "A4", "")
+	pdf.AddPage()
+	pdf.Cell(40, 10, "Not OK") // Font not set
+	if pdf.Error() == nil {
+		t.Fatalf("expecting error when rendering text without having set font")
+	}
+
+}
+
 type fontResourceType struct {
 }