Combine tests to check output visually

Author: radarhere

Tests/images/imagedraw_dash_line.png

@@ -1759,106 +1759,65 @@ def test_incorrectly_ordered_coordinates(xy: tuple[int, int, int, int]) -> None:
         draw.rounded_rectangle(xy)
 
 
-def test_line_dash() -> None:
+def test_dash_line() -> None:
     # Arrange
     im = Image.new("RGB", (W, H))
     draw = ImageDraw.Draw(im)
 
     # Act
-    draw.line([(10, 50), (90, 50)], "yellow", 2, dash=(10, 5))
+    draw.line([(10, 90), (90, 90)], "green", 2, dash=(10, 5))
+    draw.line([(10, 10), (50, 50), (90, 10)], "green", 2, dash=(8, 4))
 
     # Assert
-    assert_image_equal_tofile(im, "Tests/images/imagedraw_line_dash.png")
+    assert_image_equal_tofile(im, "Tests/images/imagedraw_dash_line.png")
 
 
-def test_line_dash_multi_segment() -> None:
-    # Arrange
-    im = Image.new("RGB", (W, H))
-    draw = ImageDraw.Draw(im)
-
-    # Act - draw a dashed multi-segment line
-    draw.line([(10, 10), (50, 50), (90, 10)], "yellow", 2, dash=(8, 4))
-
-    # Assert - verify the image is not all black (dashes were drawn)
-    assert im.getbbox() is not None
-
-
-def test_line_dash_empty() -> None:
-    im = Image.new("RGB", (W, H))
-    draw = ImageDraw.Draw(im)
-
-    with pytest.raises(ValueError, match="dash must be a non-empty tuple of ints"):
-        draw.line([(10, 50), (90, 50)], dash=())
-
-
-def test_polygon_dash() -> None:
+def test_dash_polygon() -> None:
     # Arrange
     im = Image.new("RGB", (W, H))
     draw = ImageDraw.Draw(im)
 
     # Act
     draw.polygon(
-        [(10, 10), (90, 10), (90, 90), (10, 90)],
-        outline="blue",
+        [(10, 10), (90, 10), (10, 90)],
+        outline="green",
         width=1,
         dash=(10, 5),
     )
-
-    # Assert
-    assert_image_equal_tofile(im, "Tests/images/imagedraw_polygon_dash.png")
-
-
-def test_polygon_dash_with_fill() -> None:
-    # Dashed polygon with fill should draw fill and dashed outline
-    im = Image.new("RGB", (W, H))
-    draw = ImageDraw.Draw(im)
-
     draw.polygon(
-        [(10, 10), (90, 10), (90, 90), (10, 90)],
+        [(20, 20), (60, 20), (20, 60)],
         fill="red",
-        outline="blue",
+        outline="green",
         width=1,
         dash=(10, 5),
     )
 
-    # Verify center pixel is red (fill) and some edge pixels are blue (outline)
-    assert im.getpixel((50, 50)) == (255, 0, 0)
-
-
-def test_polygon_dash_empty() -> None:
-    im = Image.new("RGB", (W, H))
-    draw = ImageDraw.Draw(im)
-
-    with pytest.raises(ValueError, match="dash must be a non-empty tuple of ints"):
-        draw.polygon([(10, 10), (90, 10), (90, 90)], dash=())
+    # Assert
+    assert_image_equal_tofile(im, "Tests/images/imagedraw_dash_polygon.png")
 
 
-def test_rectangle_dash() -> None:
+def test_dash_rectangle() -> None:
     # Arrange
     im = Image.new("RGB", (W, H))
     draw = ImageDraw.Draw(im)
 
     # Act
     draw.rectangle([10, 10, 90, 90], outline="green", width=1, dash=(10, 5))
+    draw.rectangle([30, 30, 70, 70], fill="red", outline="green", width=1, dash=(10, 5))
 
     # Assert
-    assert_image_equal_tofile(im, "Tests/images/imagedraw_rectangle_dash.png")
+    assert_image_equal_tofile(im, "Tests/images/imagedraw_dash_rectangle.png")
 
 
-def test_rectangle_dash_with_fill() -> None:
-    # Dashed rectangle with fill should draw fill and dashed outline
+def test_dash_empty() -> None:
     im = Image.new("RGB", (W, H))
     draw = ImageDraw.Draw(im)
 
-    draw.rectangle([10, 10, 90, 90], fill="red", outline="green", width=1, dash=(10, 5))
-
-    # Verify center pixel is red (fill)
-    assert im.getpixel((50, 50)) == (255, 0, 0)
-
+    with pytest.raises(ValueError, match="dash must be a non-empty tuple of ints"):
+        draw.line([(10, 50), (90, 50)], dash=())
 
-def test_rectangle_dash_empty() -> None:
-    im = Image.new("RGB", (W, H))
-    draw = ImageDraw.Draw(im)
+    with pytest.raises(ValueError, match="dash must be a non-empty tuple of ints"):
+        draw.polygon([(10, 10), (90, 10), (90, 90)], dash=())
 
     with pytest.raises(ValueError, match="dash must be a non-empty tuple of ints"):
         draw.rectangle([10, 10, 90, 90], dash=())