From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 19:32:43 +0200
Subject: Adding upstream version 1:115.7.0.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 testing/mozbase/rust/mozprofile/src/preferences.rs | 138 +++++++++++++++++++++
 1 file changed, 138 insertions(+)
 create mode 100644 testing/mozbase/rust/mozprofile/src/preferences.rs

(limited to 'testing/mozbase/rust/mozprofile/src/preferences.rs')

diff --git a/testing/mozbase/rust/mozprofile/src/preferences.rs b/testing/mozbase/rust/mozprofile/src/preferences.rs
new file mode 100644
index 0000000000..2489352384
--- /dev/null
+++ b/testing/mozbase/rust/mozprofile/src/preferences.rs
@@ -0,0 +1,138 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+use std::collections::BTreeMap;
+
+pub type Preferences = BTreeMap<String, Pref>;
+
+#[derive(Debug, PartialEq, Clone)]
+pub enum PrefValue {
+    Bool(bool),
+    String(String),
+    Int(i64),
+}
+
+impl From<bool> for PrefValue {
+    fn from(value: bool) -> Self {
+        PrefValue::Bool(value)
+    }
+}
+
+impl From<String> for PrefValue {
+    fn from(value: String) -> Self {
+        PrefValue::String(value)
+    }
+}
+
+impl From<&'static str> for PrefValue {
+    fn from(value: &'static str) -> Self {
+        PrefValue::String(value.into())
+    }
+}
+
+impl From<i8> for PrefValue {
+    fn from(value: i8) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<u8> for PrefValue {
+    fn from(value: u8) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<i16> for PrefValue {
+    fn from(value: i16) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<u16> for PrefValue {
+    fn from(value: u16) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<i32> for PrefValue {
+    fn from(value: i32) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<u32> for PrefValue {
+    fn from(value: u32) -> Self {
+        PrefValue::Int(value.into())
+    }
+}
+
+impl From<i64> for PrefValue {
+    fn from(value: i64) -> Self {
+        PrefValue::Int(value)
+    }
+}
+
+// Implementing From<u64> for PrefValue wouldn't be safe
+// because it might overflow.
+
+#[derive(Debug, PartialEq, Clone)]
+pub struct Pref {
+    pub value: PrefValue,
+    pub sticky: bool,
+}
+
+impl Pref {
+    /// Create a new preference with `value`.
+    pub fn new<T>(value: T) -> Pref
+    where
+        T: Into<PrefValue>,
+    {
+        Pref {
+            value: value.into(),
+            sticky: false,
+        }
+    }
+
+    /// Create a new sticky, or locked, preference with `value`.
+    /// These cannot be changed by the user in `about:config`.
+    pub fn new_sticky<T>(value: T) -> Pref
+    where
+        T: Into<PrefValue>,
+    {
+        Pref {
+            value: value.into(),
+            sticky: true,
+        }
+    }
+}
+
+#[cfg(test)]
+mod test {
+    use super::PrefValue;
+
+    #[test]
+    fn test_bool() {
+        assert_eq!(PrefValue::from(true), PrefValue::Bool(true));
+    }
+
+    #[test]
+    fn test_string() {
+        assert_eq!(PrefValue::from("foo"), PrefValue::String("foo".to_string()));
+        assert_eq!(
+            PrefValue::from("foo".to_string()),
+            PrefValue::String("foo".to_string())
+        );
+    }
+
+    #[test]
+    fn test_int() {
+        assert_eq!(PrefValue::from(42i8), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42u8), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42i16), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42u16), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42i32), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42u32), PrefValue::Int(42i64));
+        assert_eq!(PrefValue::from(42i64), PrefValue::Int(42i64));
+    }
+}
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