From 02737fb6401415f04c50b71a5c75d3b47427748c Mon Sep 17 00:00:00 2001
From: Tom Schuster <evilpies@gmail.com>
Date: Sat, 29 Nov 2025 01:38:57 +0100
Subject: [PATCH 1/2] avm2: Stub for Error.getErrorMessage

---
 core/src/avm2/globals/Error.as |  2 ++
 core/src/avm2/globals/error.rs | 15 ++++++++++++++-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/core/src/avm2/globals/Error.as b/core/src/avm2/globals/Error.as
index 5953075e1eda..bee73ca0219e 100644
--- a/core/src/avm2/globals/Error.as
+++ b/core/src/avm2/globals/Error.as
@@ -11,6 +11,8 @@ package {
             };
         }
 
+        public static native function getErrorMessage(id:int):String;
+
         [Ruffle(NativeAccessible)]
         public var name:String = "Error";
 
diff --git a/core/src/avm2/globals/error.rs b/core/src/avm2/globals/error.rs
index 4d10f443392a..129a16c22bb9 100644
--- a/core/src/avm2/globals/error.rs
+++ b/core/src/avm2/globals/error.rs
@@ -1,9 +1,22 @@
 use crate::avm2::activation::Activation;
 pub use crate::avm2::object::error_allocator;
+use crate::avm2::parameters::ParametersExt;
 use crate::avm2::string::AvmString;
 use crate::avm2::value::Value;
 use crate::avm2::Error;
-use crate::PlayerMode;
+use crate::{avm2_stub_method, PlayerMode};
+
+pub fn get_error_message<'gc>(
+    activation: &mut Activation<'_, 'gc>,
+    _this: Value<'gc>,
+    args: &[Value<'gc>],
+) -> Result<Value<'gc>, Error<'gc>> {
+    avm2_stub_method!(activation, "Error", "getErrorMessage");
+
+    let id = args.get_i32(0);
+    let message = format!("Error #{id}");
+    Ok(AvmString::new_utf8(activation.gc(), message).into())
+}
 
 pub fn get_stack_trace<'gc>(
     activation: &mut Activation<'_, 'gc>,

From 2bb95fa46bbdfed4c159c426dd0db2688380cdbc Mon Sep 17 00:00:00 2001
From: Tom Schuster <evilpies@gmail.com>
Date: Sun, 7 Dec 2025 14:08:28 +0100
Subject: [PATCH 2/2] tests: Test working part of Error.getErrorMessage

---
 .../swfs/avm2/error_geterrormessage/Test.as   |  19 ++++++++++++++++++
 .../avm2/error_geterrormessage/output.txt     |   6 ++++++
 .../swfs/avm2/error_geterrormessage/test.swf  | Bin 0 -> 764 bytes
 .../swfs/avm2/error_geterrormessage/test.toml |   1 +
 4 files changed, 26 insertions(+)
 create mode 100644 tests/tests/swfs/avm2/error_geterrormessage/Test.as
 create mode 100644 tests/tests/swfs/avm2/error_geterrormessage/output.txt
 create mode 100644 tests/tests/swfs/avm2/error_geterrormessage/test.swf
 create mode 100644 tests/tests/swfs/avm2/error_geterrormessage/test.toml

diff --git a/tests/tests/swfs/avm2/error_geterrormessage/Test.as b/tests/tests/swfs/avm2/error_geterrormessage/Test.as
new file mode 100644
index 000000000000..d3fbbf593bdf
--- /dev/null
+++ b/tests/tests/swfs/avm2/error_geterrormessage/Test.as
@@ -0,0 +1,19 @@
+package {
+	import flash.display.Sprite;
+
+	public class Test extends Sprite {
+		public function Test() {
+			trace(Error.getErrorMessage(-1));
+			trace(Error.getErrorMessage(0));
+			trace(Error.getErrorMessage(1));
+			trace(Error.getErrorMessage(42));
+			trace(Error.getErrorMessage(100));
+			// TODO:
+			// Error #1000: The system is out of memory.
+			// trace(Error.getErrorMessage(1000));
+			// Error #1042: Not an ABC file.  major_version=%1 minor_version=%2.
+			// trace(Error.getErrorMessage(1042));
+			trace(Error.getErrorMessage(10000));
+		}
+	}
+}
\ No newline at end of file
diff --git a/tests/tests/swfs/avm2/error_geterrormessage/output.txt b/tests/tests/swfs/avm2/error_geterrormessage/output.txt
new file mode 100644
index 000000000000..152f03482b3d
--- /dev/null
+++ b/tests/tests/swfs/avm2/error_geterrormessage/output.txt
@@ -0,0 +1,6 @@
+Error #-1
+Error #0
+Error #1
+Error #42
+Error #100
+Error #10000
diff --git a/tests/tests/swfs/avm2/error_geterrormessage/test.swf b/tests/tests/swfs/avm2/error_geterrormessage/test.swf
new file mode 100644
index 0000000000000000000000000000000000000000..7386f754fbe1691e5a8eb30d099a1b92663ff390
GIT binary patch
literal 764
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zh{tV!*+PHm#X<SycC-2B;LrtUc`*SuKDY2w+XOr4;^N|6P7|SwSbE|3+nSgX0PNnc
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zi4rZLDXQ1*OgR69QLUCS-~w96F2aRrFl8d$M23knCW5ABnJ8x(Q>Hd!YO|)67kw6O
z1g2OBpaLx3nuEo8s2i59nhO!sT_|Eu0}y5{?aX;5+O9z>*Z-}Z8)uGK``|p&f-MxF
z2N!!9+=FoC+#Ca70%XSkoB-Ascr*cWW5AyPg%R-Z<BJJW6v+`1h1Aa+kzOaDl?gIV
u%M47Xl?}2^%L*)~l?!rC%LokhdkgNVud53M5(d`X<=8wG_x=lI3{vrvK5Q-k

literal 0
HcmV?d00001

diff --git a/tests/tests/swfs/avm2/error_geterrormessage/test.toml b/tests/tests/swfs/avm2/error_geterrormessage/test.toml
new file mode 100644
index 000000000000..dbee897f5863
--- /dev/null
+++ b/tests/tests/swfs/avm2/error_geterrormessage/test.toml
@@ -0,0 +1 @@
+num_frames = 1