diff --git a/src/test/smali/junit-tests/InstructionTests/Format21t/Format21t.smali b/src/test/smali/junit-tests/InstructionTests/Format21t/Format21t.smali
new file mode 100644
index 00000000..86be6e9f
--- /dev/null
+++ b/src/test/smali/junit-tests/InstructionTests/Format21t/Format21t.smali
@@ -0,0 +1,149 @@
+.class public LFormat21t;
+.super Ljava/lang/Object;
+.source "Format21t.smali"
+
+.method public constructor <init>()V
+    .registers 1
+    invoke-direct {p0}, Ljava/lang/Object;-><init>()V
+    return-void
+.end method
+
+.method public test_if-eqz()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, 0
+           
+    if-eqz v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, 1
+
+    if-eqz v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    return-void
+.end method
+
+
+.method public test_if-nez()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, 1
+
+    if-nez v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, 0
+
+    if-nez v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    return-void
+.end method
+
+.method public test_if-ltz()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, -1
+
+    if-ltz v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, 0
+
+    if-ltz v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    return-void
+.end method
+
+.method public test_if-gez()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, 0
+
+    if-gez v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, -1
+
+    if-gez v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    return-void
+.end method
+
+.method public test_if-gtz()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, 1
+
+    if-gtz v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, 0
+
+    if-gtz v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    return-void
+.end method
+
+
+.method public test_if-lez()V
+    .registers 1
+    .annotation runtime Lorg/junit/Test;
+    .end annotation
+
+    const/4 v0, 0
+
+    if-lez v0, label1:
+
+    invoke-static {}, Lorg/junit/Assert;->fail()V
+
+    label1:
+    const/4 v0, 1
+
+    if-lez v0, label2:
+    return-void
+
+    label2:
+    invoke-static {}, Lorg/junit/Assert;->fail()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 52febb50..ec72d8b4 100644
--- a/src/test/smali/junit-tests/TestSuite.smali
+++ b/src/test/smali/junit-tests/TestSuite.smali
@@ -28,6 +28,7 @@
                 LFormat11x;,
                 LFormat12x;,
                 LFormat20t;,
+                LFormat21t;,
                 LFormat22x;,
                 LFormat30t;
             }