1 files changed, 22 insertions, 0 deletions
diff --git a/internal/comic/pageframe_test.go b/internal/comic/pageframe_test.go
new file mode 100644
index 0000000..c9c7c26
--- /dev/null
+++ b/internal/comic/pageframe_test.go
@@ -0,0 +1,22 @@
+package comic
+
+import "testing"
+
+func TestDescribePageFrame(t *testing.T) {
+	tests := []struct {
+		ratio string
+		want  string
+	}{
+		{"16:9", "landscape 16:9 format (widescreen)"},
+		{"2:3", "portrait 2:3 format (tall comic book page proportions)"},
+		{"3:2", "landscape 3:2 format (widescreen)"},
+		{"1:1", "square 1:1 format"},
+		{"", "landscape 16:9 format (widescreen)"},
+		{"bogus", "bogus format"},
+	}
+	for _, tt := range tests {
+		if got := DescribePageFrame(tt.ratio); got != tt.want {
+			t.Fatalf("DescribePageFrame(%q) = %q, want %q", tt.ratio, got, tt.want)
+		}
+	}
+}