From 2a9fc7baa908d64ff1ddae44641024114d3ec88d Mon Sep 17 00:00:00 2001 From: Taylor Gerring Date: Fri, 14 Nov 2014 15:01:52 -0600 Subject: Merge branch 'develop' of https://github.com/tgerring/go-ethereum --- ethutil/big_test.go | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 ethutil/big_test.go (limited to 'ethutil/big_test.go') diff --git a/ethutil/big_test.go b/ethutil/big_test.go new file mode 100644 index 000000000..bf3c96c6d --- /dev/null +++ b/ethutil/big_test.go @@ -0,0 +1,73 @@ +package ethutil + +import ( + "bytes" + "testing" +) + +func TestMisc(t *testing.T) { + a := Big("10") + b := Big("57896044618658097711785492504343953926634992332820282019728792003956564819968") + c := []byte{1, 2, 3, 4} + z := BitTest(a, 1) + + if z != true { + t.Error("Expected true got", z) + } + + U256(a) + S256(a) + + U256(b) + S256(b) + + BigD(c) +} + +func TestBigMax(t *testing.T) { + a := Big("10") + b := Big("5") + + max1 := BigMax(a, b) + if max1 != a { + t.Errorf("Expected %d got %d", a, max1) + } + + max2 := BigMax(b, a) + if max2 != a { + t.Errorf("Expected %d got %d", a, max2) + } +} + +func TestBigMin(t *testing.T) { + a := Big("10") + b := Big("5") + + min1 := BigMin(a, b) + if min1 != b { + t.Errorf("Expected %d got %d", b, min1) + } + + min2 := BigMin(b, a) + if min2 != b { + t.Errorf("Expected %d got %d", b, min2) + } +} + +func TestBigCopy(t *testing.T) { + a := Big("10") + b := BigCopy(a) + c := Big("1000000000000") + y := BigToBytes(b, 16) + ybytes := []byte{0, 10} + z := BigToBytes(c, 16) + zbytes := []byte{232, 212, 165, 16, 0} + + if bytes.Compare(y, ybytes) != 0 { + t.Error("Got", ybytes) + } + + if bytes.Compare(z, zbytes) != 0 { + t.Error("Got", zbytes) + } +} -- cgit v1.2.3