1 files changed, 38 insertions, 0 deletions
diff --git a/biginttest.py b/biginttest.py
new file mode 100755
index 0000000..f125953
--- /dev/null
+++ b/biginttest.py
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+import sys, random, subprocess
+
+ntimes=10000
+maxn=1e100
+
+def check(desc,x,y):
+	if x==y: return
+	print("{}: {} != {}".format(desc,x,y))
+	assert False
+
+def gendata():
+	for _ in range(ntimes):
+		yield random.randint(0,maxn), random.randint(1,maxn)
+
+def proctest():
+	proc=subprocess.Popen(["./main"],stdin=subprocess.PIPE,stdout=subprocess.PIPE,stderr=sys.stderr)
+
+	for (a,b) in gendata():
+		proc.stdin.write("div {} {}\n".format(a,b).encode("ascii"))
+		proc.stdin.write("mod {} {}\n".format(a,b).encode("ascii"))
+		proc.stdin.flush()
+
+		ans=int(proc.stdout.readline())
+		check("{}/{}".format(a,b),ans,a//b)
+
+		ans=int(proc.stdout.readline())
+		check("{}%{}".format(a,b),ans,a%b)
+
+	proc.kill()
+
+def justprint():
+	for (a,b) in gendata():
+		print("div {} {}".format(a,b))
+		print("mod {} {}".format(a,b))
+
+#justprint()
+proctest()