decrease version to 0.15.12 & few more tests

This MR only adds a new function to the API so that's a minor change,
which are the z component in 0.y.z versions.

Author: remi-dupre

CHANGELOG.md

@@ -3,7 +3,7 @@
 Newer changelog entries can be found [on
 GitHub](https://github.com/console-rs/console/releases).
 
-## 0.16.0
+## 0.15.12
 
 ### Enhancements
 

Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 name = "console"
 description = "A terminal and console abstraction for Rust"
-version = "0.16.0"
+version = "0.15.12"
 keywords = ["cli", "terminal", "colors", "console", "ansi"]
 authors = ["Armin Ronacher <[email protected]>"]
 license = "MIT"

src/utils.rs

@@ -980,18 +980,29 @@ fn test_text_width() {
         .on_black()
         .bold()
         .force_styling(true)
-        .to_string()
-        + "🐶bar";
+        .to_string();
+
     assert_eq!(
         measure_text_width(&s),
+        if cfg!(feature = "ansi-parsing") {
+            3
+        } else if cfg!(feature = "unicode-width") {
+            17
+        } else {
+            21
+        }
+    );
+
+    assert_eq!(
+        measure_text_width(&style("🐶").red().to_string()),
         match (
             cfg!(feature = "ansi-parsing"),
             cfg!(feature = "unicode-width")
         ) {
-            (true, true) => 8,
-            (true, false) => 7,
-            (false, true) => 22,
-            (false, false) => 25,
+            (true, true) => 2,
+            (true, false) => 1,
+            (false, true) => 17,
+            (false, false) => 1,
         }
     );
 }
@@ -1032,6 +1043,11 @@ fn test_slice_ansi_str() {
     let test_str = "Hello\x1b[31m🐶\x1b[1m🐶\x1b[0m world!";
     assert_eq!(slice_str(test_str, "", 0..test_str.len(), ""), test_str);
 
+    assert_eq!(
+        slice_str(test_str, ">>>", 0..test_str.len(), "<<<"),
+        format!(">>>{test_str}<<<"),
+    );
+
     if cfg!(feature = "unicode-width") && cfg!(feature = "ansi-parsing") {
         assert_eq!(measure_text_width(test_str), 16);
 
@@ -1064,6 +1080,11 @@ fn test_slice_ansi_str() {
             slice_str(test_str, "", 7..21, ""),
             "\x1b[31m\x1b[1m🐶\x1b[0m world!"
         );
+
+        assert_eq!(
+            slice_str(test_str, ">>>", 7..21, "<<<"),
+            "\x1b[31m>>>\x1b[1m🐶\x1b[0m world!<<<"
+        );
     }
 }