From 16ba9e964cef0bd034136e792141d2c85000e4f7 Mon Sep 17 00:00:00 2001
From: Jeroen van Rijn <Kelimion@users.noreply.github.com>
Date: Wed, 2 Sep 2026 15:25:40 +0200
Subject: [PATCH] Apply mojibake magic to test runner, too.

---
 core/testing/runner.odin          |  4 ++++
 core/testing/terminal_window.odin | 16 ++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 core/testing/terminal_window.odin

diff --git a/core/testing/runner.odin b/core/testing/runner.odin
index e298cf47c..535dcc0b1 100644
--- a/core/testing/runner.odin
+++ b/core/testing/runner.odin
@@ -267,6 +267,10 @@ runner :: proc(internal_tests: []Internal_Test) -> bool {
 		}
 	}
 
+	when ODIN_OS == .Windows {
+		set_utf8_codepage()
+		defer restore_old_codepage()
+	}
 
 	// `-vet` needs parameters to be shadowed by themselves first as an
 	// explicit declaration, to allow the next line to work.
diff --git a/core/testing/terminal_window.odin b/core/testing/terminal_window.odin
new file mode 100644
index 000000000..b80f452f1
--- /dev/null
+++ b/core/testing/terminal_window.odin
@@ -0,0 +1,16 @@
+#+private
+#+build windows
+package testing
+
+import win32 "core:sys/windows"
+
+old_console_codepage: win32.CODEPAGE
+
+set_utf8_codepage :: proc() {
+	old_console_codepage = win32.GetConsoleOutputCP()
+	win32.SetConsoleOutputCP(win32.CODEPAGE(65001))
+}
+
+restore_old_codepage :: proc() {
+	win32.SetConsoleOutputCP(old_console_codepage)
+}
\ No newline at end of file