2 files changed, 42 insertions, 0 deletions
diff --git a/tests/diagnostics/matrix-swizzle.slang b/tests/diagnostics/matrix-swizzle.slang
new file mode 100644
index 000000000..d9331d89a
--- /dev/null
+++ b/tests/diagnostics/matrix-swizzle.slang
@@ -0,0 +1,24 @@
+//DIAGNOSTIC_TEST:SIMPLE:
+
+int doSomething(int a)
+{
+    int2x3 m1 = int2x3(0, 1, 2, 3, 4, 5);
+    int3x2 m2 = int3x2(0, 1, 2, 3, 4, 5);
+
+    int c = m1._14; // Out of bounds
+    c = m1._32; 
+    c = m2._m22;
+    c = m2._;       // unfinished
+    c = m2._m; 
+    c = m2._1; 
+    c = m2._m1;
+    c = m2._m12_;
+    int2 c2 = m1._m11_11;   // Mixing of 1 and 0-indexing
+    c = m1._11_11_11_11_11; // More than 4 elements
+    c = m1.x;       // Invalid character
+    c = m1._x;
+    c = m1.x123;
+
+    return m1._11;
+}
+
diff --git a/tests/diagnostics/matrix-swizzle.slang.expected b/tests/diagnostics/matrix-swizzle.slang.expected
new file mode 100644
index 000000000..8d349a2ed
--- /dev/null
+++ b/tests/diagnostics/matrix-swizzle.slang.expected
@@ -0,0 +1,18 @@
+result code = -1
+standard error = {
+tests/diagnostics/matrix-swizzle.slang(8): error 30052: invalid swizzle pattern '_14' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(9): error 30052: invalid swizzle pattern '_32' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(10): error 30052: invalid swizzle pattern '_m22' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(11): error 30052: invalid swizzle pattern '_' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(12): error 30052: invalid swizzle pattern '_m' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(13): error 30052: invalid swizzle pattern '_1' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(14): error 30052: invalid swizzle pattern '_m1' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(15): error 30052: invalid swizzle pattern '_m12_' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(16): error 30052: invalid swizzle pattern '_m11_11' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(17): error 30052: invalid swizzle pattern '_11_11_11_11_11' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(18): error 30052: invalid swizzle pattern 'x' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(19): error 30052: invalid swizzle pattern '_x' on type 'int'
+tests/diagnostics/matrix-swizzle.slang(20): error 30052: invalid swizzle pattern 'x123' on type 'int'
+}
+standard output = {
+}