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package bn256
import (
"testing"
)
// Tests that negation works the same way on both assembly-optimized and pure Go
// implementation.
func TestGFpNeg(t *testing.T) {
n := &gfP{0x0123456789abcdef, 0xfedcba9876543210, 0xdeadbeefdeadbeef, 0xfeebdaedfeebdaed}
w := &gfP{0xfedcba9876543211, 0x0123456789abcdef, 0x2152411021524110, 0x0114251201142512}
h := &gfP{}
gfpNeg(h, n)
if *h != *w {
t.Errorf("negation mismatch: have %#x, want %#x", *h, *w)
}
}
// Tests that addition works the same way on both assembly-optimized and pure Go
// implementation.
func TestGFpAdd(t *testing.T) {
a := &gfP{0x0123456789abcdef, 0xfedcba9876543210, 0xdeadbeefdeadbeef, 0xfeebdaedfeebdaed}
b := &gfP{0xfedcba9876543210, 0x0123456789abcdef, 0xfeebdaedfeebdaed, 0xdeadbeefdeadbeef}
w := &gfP{0xc3df73e9278302b8, 0x687e956e978e3572, 0x254954275c18417f, 0xad354b6afc67f9b4}
h := &gfP{}
gfpAdd(h, a, b)
if *h != *w {
t.Errorf("addition mismatch: have %#x, want %#x", *h, *w)
}
}
// Tests that subtraction works the same way on both assembly-optimized and pure Go
// implementation.
func TestGFpSub(t *testing.T) {
a := &gfP{0x0123456789abcdef, 0xfedcba9876543210, 0xdeadbeefdeadbeef, 0xfeebdaedfeebdaed}
b := &gfP{0xfedcba9876543210, 0x0123456789abcdef, 0xfeebdaedfeebdaed, 0xdeadbeefdeadbeef}
w := &gfP{0x02468acf13579bdf, 0xfdb97530eca86420, 0xdfc1e401dfc1e402, 0x203e1bfe203e1bfd}
h := &gfP{}
gfpSub(h, a, b)
if *h != *w {
t.Errorf("subtraction mismatch: have %#x, want %#x", *h, *w)
}
}
// Tests that multiplication works the same way on both assembly-optimized and pure Go
// implementation.
func TestGFpMul(t *testing.T) {
a := &gfP{0x0123456789abcdef, 0xfedcba9876543210, 0xdeadbeefdeadbeef, 0xfeebdaedfeebdaed}
b := &gfP{0xfedcba9876543210, 0x0123456789abcdef, 0xfeebdaedfeebdaed, 0xdeadbeefdeadbeef}
w := &gfP{0xcbcbd377f7ad22d3, 0x3b89ba5d849379bf, 0x87b61627bd38b6d2, 0xc44052a2a0e654b2}
h := &gfP{}
gfpMul(h, a, b)
if *h != *w {
t.Errorf("multiplication mismatch: have %#x, want %#x", *h, *w)
}
}
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