Add unit test for text height.

Resolves ggez#569

src/tests/text.rs

@@ -1,43 +1,59 @@
 // #[cfg(all(test, has_display))]
 
-// use crate::*;
-// use crate::tests;
-// use std::env;
-// use std::path;
+use crate::*;
+use crate::tests;
+
 
-/* TODO; the font API has changed and I don't want to deal with it now
 #[test]
 fn test_calculated_text_width() {
-    let ctx = &mut make_context();
+    let (ctx, _ev) = &mut tests::make_context();
     let font = graphics::Font::default();
 
-    let text = "Hello There";
+    let text = graphics::Text::new(("Hello There", font, 24.0));
+
+    let expected_width = text.width(ctx);
+    // For now we just test against a known value, since rendering it
+    // is odd.
+    assert_eq!(expected_width, 123);
+    // let rendered_width = graphics::Text::new((text, font, 24)).unwrap().width();
+
+    // println!("Text: {:?}, expected: {}, rendered: {}", text, expected_width, rendered_width);
+    // assert_eq!(expected_width as usize, rendered_width as usize);
+}
+
 
-    let expected_width = font.width(text);
-    let rendered_width = graphics::Text::new((text, font, 24)).unwrap().width();
+/// Make sure that the "height" of text with ascenders/descenders
+/// is the same as text without
+#[test]
+fn test_calculated_text_height() {
+    let (ctx, _ev) = &mut tests::make_context();
+    let font = graphics::Font::default();
+
+    let text1 = graphics::Text::new(("strength", font, 24.0));
+    let text2 = graphics::Text::new(("moves", font, 24.0));
 
-    println!("Text: {:?}, expected: {}, rendered: {}", text, expected_width, rendered_width);
-    assert_eq!(expected_width as usize, rendered_width as usize);
+    let h1 = text1.height(ctx);
+    let h2 = text2.height(ctx);
+    assert_eq!(h1, h2);
 }
 
+
 #[test]
 fn test_monospace_text_is_actually_monospace() {
-    let ctx = &mut make_context();
-    let font = graphics::Font::new(ctx, "/DejaVuSansMono.ttf");
+    let (ctx, _ev) = &mut tests::make_context();
+    let font = graphics::Font::new(ctx, "/DejaVuSansMono.ttf").unwrap();
 
-    let text1 = "Hello 1";
-    let text2 = "Hello 2";
-    let text3 = "Hello 3";
-    let text4 = "Hello 4";
+    let text1 = graphics::Text::new(("Hello 1", font, 24.0));
+    let text2 = graphics::Text::new(("Hello 2", font, 24.0));;
+    let text3 = graphics::Text::new(("Hello 3", font, 24.0));;
+    let text4 = graphics::Text::new(("Hello 4", font, 24.0));;
 
-    let width1 = font.width(text1);
-    let width2 = font.width(text2);
-    let width3 = font.width(text3);
-    let width4 = font.width(text4);
+    let width1 = text1.width(ctx);
+    let width2 = text3.width(ctx);
+    let width3 = text2.width(ctx);
+    let width4 = text4.width(ctx);
 
     assert_eq!(width1, width2);
     assert_eq!(width2, width3);
     assert_eq!(width3, width4);
 }
-
-*/