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| author | Robert Griesemer <gri@golang.org> | 2015-02-24 21:05:12 -0800 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2015-02-25 18:10:42 +0000 |
| commit | 88cbe09202d54b6cd3f4d8c0fa8b50e13c7372cf (patch) | |
| tree | d19ec9910b4e275390558da1b3dc8f76e2644a50 /src/math/big/float_test.go | |
| parent | 4100f7d95c0b51bc366103f91c9c9cad223c4168 (diff) | |
| download | go-88cbe09202d54b6cd3f4d8c0fa8b50e13c7372cf.tar.xz | |
math/big: permit passing of an *Int to Float.Int to avoid allocation
Change-Id: I50e83248357928e56c94b88a8764de828f4f5c76
Reviewed-on: https://go-review.googlesource.com/5890
Reviewed-by: Alan Donovan <adonovan@google.com>
Diffstat (limited to 'src/math/big/float_test.go')
| -rw-r--r-- | src/math/big/float_test.go | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/math/big/float_test.go b/src/math/big/float_test.go index 69e88c3501..6391beea0b 100644 --- a/src/math/big/float_test.go +++ b/src/math/big/float_test.go @@ -714,7 +714,7 @@ func TestFloatInt(t *testing.T) { {"1e+100", "10000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000", Exact}, } { x := makeFloat(test.x) - res, acc := x.Int() + res, acc := x.Int(nil) got := "nil" if res != nil { got = res.String() @@ -723,6 +723,15 @@ func TestFloatInt(t *testing.T) { t.Errorf("%s: got %s (%s); want %s (%s)", test.x, got, acc, test.want, test.acc) } } + + // check that supplied *Int is used + for _, f := range []string{"0", "1", "-1", "1234"} { + x := makeFloat(f) + i := new(Int) + if res, _ := x.Int(i); res != i { + t.Errorf("(%s).Int is not using supplied *Int", f) + } + } } func TestFloatRat(t *testing.T) { @@ -765,7 +774,7 @@ func TestFloatRat(t *testing.T) { } // check that supplied *Rat is used - for _, f := range []string{"0", "1"} { + for _, f := range []string{"0", "1", "-1", "1234"} { x := makeFloat(f) r := new(Rat) if res := x.Rat(r); res != r { |