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