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A test recommended by Pavel, an improvement rec'd by Brian #2216

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Merged
tsachiherman merged 2 commits into from
May 28, 2021
Merged

A test recommended by Pavel, an improvement rec'd by Brian #2216

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541823a
A test recommendended by Pavel, an imporvment rec'd by Brian
jannotti May 27, 2021
4236ee9
Merge branch 'master' into teal4-extra-tests
jannotti May 27, 2021
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63 changes: 51 additions & 12 deletions data/transactions/logic/eval_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -599,6 +599,50 @@ func TestDivModw(t *testing.T) {
pop; pop; pop; pop; int 1`, 4)
}

func TestWideMath(t *testing.T) {
// 2^64 = 18446744073709551616, we use a bunch of numbers close to that below
pattern := `
int %d
dup
store 0
int %d
dup
store 1
mulw
// add one less than the first number
load 0
int 1
-
addw
// stack is now [high word, carry bit, low word]
store 2
+ // combine carry and high
load 2
// now divmodw by the 1st given number (widened)
int 0
load 0
divmodw
// remainder should be one less that first number
load 0; int 1; -; ==; assert
int 0; ==; assert // (upper word)
// then the 2nd given number is left (widened)
load 1; ==; assert
int 0; ==; assert
// succeed
int 1
`

testAccepts(t, fmt.Sprintf(pattern, 1000, 8192378), 4)
testAccepts(t, fmt.Sprintf(pattern, 1082734200, 8192378), 4)
testAccepts(t, fmt.Sprintf(pattern, 1000, 8129387292378), 4)
testAccepts(t, fmt.Sprintf(pattern, 10278362800, 8192378), 4)
for i := 1; i < 100; i++ {
for j := 1; i < 100; i++ {
testAccepts(t, fmt.Sprintf(pattern, i+j<<40, (i*j)<<40+j), 4)
}
}
}

func TestDivZero(t *testing.T) {
t.Parallel()
testPanics(t, "int 0x11; int 0; /; pop; int 1", 1)
Expand Down Expand Up @@ -2952,23 +2996,17 @@ func BenchmarkBigMath(b *testing.B) {
}

func BenchmarkHash(b *testing.B) {
hashes := []string{"sha256", "keccak256", "sha512_256"}
for _, hash := range hashes {
for _, hash := range []string{"sha256", "keccak256", "sha512_256"} {
b.Run(hash+"-small", func(b *testing.B) { // hash 32 bytes
benchmarkOperation(b, "byte 0x1234567890", hash,
"pop; int 1")
benchmarkOperation(b, "int 32; bzero", hash, "pop; int 1")
})
}
for _, hash := range hashes {
b.Run(hash+"-med", func(b *testing.B) { // hash 128 bytes
benchmarkOperation(b, "byte 0x1234567890",
hash+"; dup; concat; dup; concat", "pop; int 1")
benchmarkOperation(b, "int 32; bzero",
"dup; concat; dup; concat;"+hash, "pop; int 1")
})
}
for _, hash := range hashes {
b.Run(hash+"-big", func(b *testing.B) { // hash 512 bytes
benchmarkOperation(b, "byte 0x1234567890",
hash+"; dup; concat; dup; concat; dup; concat; dup; concat", "pop; int 1")
benchmarkOperation(b, "int 32; bzero",
"dup; concat; dup; concat; dup; concat; dup; concat;"+hash, "pop; int 1")
})
}
}
Expand Down Expand Up @@ -3987,6 +4025,7 @@ func TestBytesBits(t *testing.T) {
testAccepts(t, "byte 0xf001; b~; byte 0x0ffe; ==", 4)

testAccepts(t, "int 3; bzero; byte 0x000000; ==", 4)
testAccepts(t, "int 33; bzero; byte 0x000000000000000000000000000000000000000000000000000000000000000000; ==", 4)
}

func TestBytesConversions(t *testing.T) {
Expand Down