1 files changed, 111 insertions, 0 deletions
diff --git a/src/pkg/strconv/itoa_test.go b/src/pkg/strconv/itoa_test.go
new file mode 100644
index 000000000..34caf9a32
--- /dev/null
+++ b/src/pkg/strconv/itoa_test.go
@@ -0,0 +1,111 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package strconv
+
+import (
+	"fmt";
+	"os";
+	"strconv";
+	"testing";
+)
+
+type itob64Test struct {
+	in int64;
+	base uint;
+	out string;
+}
+
+var itob64tests = []itob64Test {
+	itob64Test{ 0, 10, "0" },
+	itob64Test{ 1, 10, "1" },
+	itob64Test{ -1, 10, "-1" },
+	itob64Test{ 12345678, 10, "12345678" },
+	itob64Test{ -987654321, 10, "-987654321" },
+	itob64Test{ 1<<31-1, 10, "2147483647" },
+	itob64Test{ -1<<31+1, 10, "-2147483647" },
+	itob64Test{ 1<<31, 10, "2147483648" },
+	itob64Test{ -1<<31, 10, "-2147483648" },
+	itob64Test{ 1<<31+1, 10, "2147483649" },
+	itob64Test{ -1<<31-1, 10, "-2147483649" },
+	itob64Test{ 1<<32-1, 10, "4294967295" },
+	itob64Test{ -1<<32+1, 10, "-4294967295" },
+	itob64Test{ 1<<32, 10, "4294967296" },
+	itob64Test{ -1<<32, 10, "-4294967296" },
+	itob64Test{ 1<<32+1, 10, "4294967297" },
+	itob64Test{ -1<<32-1, 10, "-4294967297" },
+	itob64Test{ 1<<50, 10, "1125899906842624" },
+	itob64Test{ 1<<63-1, 10, "9223372036854775807" },
+	itob64Test{ -1<<63+1, 10, "-9223372036854775807" },
+	itob64Test{ -1<<63, 10, "-9223372036854775808" },
+
+	itob64Test{ 0, 2, "0" },
+	itob64Test{ 10, 2, "1010" },
+	itob64Test{ -1, 2, "-1" },
+	itob64Test{ 1<<15, 2, "1000000000000000" },
+
+	itob64Test{ -8, 8, "-10" },
+	itob64Test{ 057635436545, 8, "57635436545" },
+	itob64Test{ 1<<24, 8, "100000000" },
+
+	itob64Test{ 16, 16, "10" },
+	itob64Test{ -0x123456789abcdef, 16, "-123456789abcdef" },
+	itob64Test{ 1<<63-1, 16, "7fffffffffffffff" },
+
+	itob64Test{ 16, 17, "g" },
+	itob64Test{ 25, 25, "10" },
+	itob64Test{ (((((17*35+24)*35+21)*35+34)*35+12)*35+24)*35+32, 35, "holycow" },
+	itob64Test{ (((((17*36+24)*36+21)*36+34)*36+12)*36+24)*36+32, 36, "holycow" },
+}
+
+func TestItoa(t *testing.T) {
+	for i := 0; i < len(itob64tests); i++ {
+		test := itob64tests[i];
+
+		s := strconv.Itob64(test.in, test.base);
+		if s != test.out {
+			t.Errorf("strconv.Itob64(%v, %v) = %v want %v\n",
+				test.in, test.base, s, test.out);
+		}
+
+		if int64(int(test.in)) == test.in {
+			s := strconv.Itob(int(test.in), test.base);
+			if s != test.out {
+				t.Errorf("strconv.Itob(%v, %v) = %v want %v\n",
+					test.in, test.base, s, test.out);
+			}
+		}
+
+		if test.base == 10 {
+			s := strconv.Itoa64(test.in);
+			if s != test.out {
+				t.Errorf("strconv.Itoa64(%v) = %v want %v\n",
+					test.in, s, test.out);
+			}
+
+			if int64(int(test.in)) == test.in {
+				s := strconv.Itoa(int(test.in));
+				if s != test.out {
+					t.Errorf("strconv.Itoa(%v) = %v want %v\n",
+						test.in, s, test.out);
+				}
+			}
+		}
+	}
+}
+
+// TODO: Use once there is a strconv.uitoa
+type uitoa64Test struct {
+	in uint64;
+	out string;
+}
+
+// TODO: should be able to call this atoui64tests.
+var uitoa64tests = []uitoa64Test {
+	uitoa64Test{ 1<<63-1, "9223372036854775807" },
+	uitoa64Test{ 1<<63, "9223372036854775808" },
+	uitoa64Test{ 1<<63+1, "9223372036854775809" },
+	uitoa64Test{ 1<<64-2, "18446744073709551614" },
+	uitoa64Test{ 1<<64-1, "18446744073709551615" },
+}