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-rw-r--r--test/Expr/Parser/ConstantFolding.pc10
1 files changed, 10 insertions, 0 deletions
diff --git a/test/Expr/Parser/ConstantFolding.pc b/test/Expr/Parser/ConstantFolding.pc
index bce6d5bb..56895e53 100644
--- a/test/Expr/Parser/ConstantFolding.pc
+++ b/test/Expr/Parser/ConstantFolding.pc
@@ -180,3 +180,13 @@ array a[64] : w32 -> w8 = symbolic
 # RUN: grep -A 2 \"# Query 34$\" %t > %t2
 # RUN: grep \"(query .. false .(Read w8 0 a).\" %t2
 (query [] false [(Xor w8 0 (Read w8 0 a))])
+
+# Check -- true == X ==> X
+# RUN: grep -A 2 \"# Query 35$\" %t > %t2
+# RUN: grep \"(query .. false .(Eq 0 (Read w8 0 a)).\" %t2
+(query [] false [(Eq true (Eq 0 (Read w8 0 a)))])
+
+# Check -- !!X ==> X
+# RUN: grep -A 2 \"# Query 36$\" %t > %t2
+# RUN: grep \"(query .. false .(Eq 0 (Read w8 0 a)).\" %t2
+(query [] false [(Not (Not (Eq 0 (Read w8 0 a))))])