diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pkg/math/big/rat_test.go | 33 |
1 files changed, 19 insertions, 14 deletions
diff --git a/src/pkg/math/big/rat_test.go b/src/pkg/math/big/rat_test.go index 4b4134b41..b7456b1e2 100644 --- a/src/pkg/math/big/rat_test.go +++ b/src/pkg/math/big/rat_test.go @@ -500,8 +500,8 @@ func TestIssue3521(t *testing.T) { } } -// Test inputs to Rat.SetString. The optional prefix "slow:" skips -// checks found to be slow for certain large rationals. +// Test inputs to Rat.SetString. The prefix "long:" causes the test +// to be skipped in --test.short mode. (The threshold is about 500us.) var float64inputs = []string{ // // Constants plundered from strconv/testfp.txt. @@ -630,8 +630,8 @@ var float64inputs = []string{ "-1e310", "1e400", "-1e400", - "1e400000", - "-1e400000", + "long:1e400000", + "long:-1e400000", // denormalized "1e-305", @@ -649,10 +649,10 @@ var float64inputs = []string{ "2e-324", // way too small "1e-350", - "slow:1e-400000", + "long:1e-400000", // way too small, negative "-1e-350", - "slow:-1e-400000", + "long:-1e-400000", // try to overflow exponent // [Disabled: too slow and memory-hungry with rationals.] @@ -672,7 +672,7 @@ var float64inputs = []string{ // A different kind of very large number. "22.222222222222222", - "2." + strings.Repeat("2", 4000) + "e+1", + "long:2." + strings.Repeat("2", 4000) + "e+1", // Exactly halfway between 1 and math.Nextafter(1, 2). // Round to even (down). @@ -682,7 +682,7 @@ var float64inputs = []string{ // Slightly higher; round up. "1.00000000000000011102230246251565404236316680908203126", // Slightly higher, but you have to read all the way to the end. - "slow:1.00000000000000011102230246251565404236316680908203125" + strings.Repeat("0", 10000) + "1", + "long:1.00000000000000011102230246251565404236316680908203125" + strings.Repeat("0", 10000) + "1", // Smallest denormal, 2^(-1022-52) "4.940656458412465441765687928682213723651e-324", @@ -705,9 +705,11 @@ var float64inputs = []string{ func TestFloat64SpecialCases(t *testing.T) { for _, input := range float64inputs { - slow := strings.HasPrefix(input, "slow:") - if slow { - input = input[len("slow:"):] + if strings.HasPrefix(input, "long:") { + if testing.Short() { + continue + } + input = input[len("long:"):] } r, ok := new(Rat).SetString(input) @@ -736,7 +738,7 @@ func TestFloat64SpecialCases(t *testing.T) { } } - if !isFinite(f) || slow { + if !isFinite(f) { continue } @@ -769,8 +771,11 @@ func TestFloat64Distribution(t *testing.T) { 9, 11, } - const winc, einc = 5, 100 // quick test (<1s) - //const winc, einc = 1, 1 // soak test (~75s) + var winc, einc = uint64(1), int(1) // soak test (~75s on x86-64) + if testing.Short() { + winc, einc = 10, 500 // quick test (~12ms on x86-64) + } + for _, sign := range "+-" { for _, a := range add { for wid := uint64(0); wid < 60; wid += winc { |