diff --git a/src/test/smali/junit-tests/InstructionTests/Format31i/Format31i.smali b/src/test/smali/junit-tests/InstructionTests/Format31i/Format31i.smali
new file mode 100644
index 00000000..7d4eed0b
--- /dev/null
+++ b/src/test/smali/junit-tests/InstructionTests/Format31i/Format31i.smali
@@ -0,0 +1,41 @@
+.class public LFormat31i;
+.super Ljava/lang/Object;
+.source "Format31i.smali"
+
+.method public constructor <init>()V
+    .registers 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+    return-void
+.end method
+
+.method public test_const()V
+    .registers 2
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const v0, 0x10000000
+
+    invoke-static {v0}, Ljava/lang/Integer;->toString(I)Ljava/lang/String;
+    move-result-object v1
+
+    const-string v0, "268435456"
+
+    invoke-static {v0, v1}, Lorg/junit/Assert;->assertEquals(Ljava/lang/Object;Ljava/lang/Object;)V
+    return-void
+.end method
+
+.method public test_const-wide-32()V
+    .registers 2
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const-wide/32 v0, 0x10000000
+
+    invoke-static {v0, v1}, Ljava/lang/Long;->toString(J)Ljava/lang/String;
+    move-result-object v1
+
+    const-string v0, "268435456"
+
+    invoke-static {v0, v1}, Lorg/junit/Assert;->assertEquals(Ljava/lang/Object;Ljava/lang/Object;)V
+    return-void
+.end method
\ No newline at end of file
diff --git a/src/test/smali/junit-tests/TestSuite.smali b/src/test/smali/junit-tests/TestSuite.smali
index ec981ed5..13020e42 100644
--- a/src/test/smali/junit-tests/TestSuite.smali
+++ b/src/test/smali/junit-tests/TestSuite.smali
@@ -39,6 +39,7 @@
                 LFormat22x;,
                 LFormat23x;,
                 LFormat30t;,
+                LFormat31i;,
                 LFormat32x;,
                 LFormat35c;,
                 LFormat3rc;