1 files changed, 186 insertions, 0 deletions
diff --git a/src/cmd/gofmt/testdata/go2numbers.golden b/src/cmd/gofmt/testdata/go2numbers.golden
new file mode 100644
index 0000000..0184aaa
--- /dev/null
+++ b/src/cmd/gofmt/testdata/go2numbers.golden
@@ -0,0 +1,186 @@
+package p
+
+const (
+	// 0-octals
+	_ = 0
+	_ = 0123
+	_ = 0123456
+
+	_ = 0_123
+	_ = 0123_456
+
+	// decimals
+	_ = 1
+	_ = 1234
+	_ = 1234567
+
+	_ = 1_234
+	_ = 1_234_567
+
+	// hexadecimals
+	_ = 0x0
+	_ = 0x1234
+	_ = 0xcafef00d
+
+	_ = 0x0
+	_ = 0x1234
+	_ = 0xCAFEf00d
+
+	_ = 0x_0
+	_ = 0x_1234
+	_ = 0x_CAFE_f00d
+
+	// octals
+	_ = 0o0
+	_ = 0o1234
+	_ = 0o01234567
+
+	_ = 0o0
+	_ = 0o1234
+	_ = 0o01234567
+
+	_ = 0o_0
+	_ = 0o_1234
+	_ = 0o0123_4567
+
+	_ = 0o_0
+	_ = 0o_1234
+	_ = 0o0123_4567
+
+	// binaries
+	_ = 0b0
+	_ = 0b1011
+	_ = 0b00101101
+
+	_ = 0b0
+	_ = 0b1011
+	_ = 0b00101101
+
+	_ = 0b_0
+	_ = 0b10_11
+	_ = 0b_0010_1101
+
+	// decimal floats
+	_ = 0.
+	_ = 123.
+	_ = 0123.
+
+	_ = .0
+	_ = .123
+	_ = .0123
+
+	_ = 0e0
+	_ = 123e+0
+	_ = 0123e-1
+
+	_ = 0e-0
+	_ = 123e+0
+	_ = 0123e123
+
+	_ = 0.e+1
+	_ = 123.e-10
+	_ = 0123.e123
+
+	_ = .0e-1
+	_ = .123e+10
+	_ = .0123e123
+
+	_ = 0.0
+	_ = 123.123
+	_ = 0123.0123
+
+	_ = 0.0e1
+	_ = 123.123e-10
+	_ = 0123.0123e+456
+
+	_ = 1_2_3.
+	_ = 0_123.
+
+	_ = 0_0e0
+	_ = 1_2_3e0
+	_ = 0_123e0
+
+	_ = 0e-0_0
+	_ = 1_2_3e+0
+	_ = 0123e1_2_3
+
+	_ = 0.e+1
+	_ = 123.e-1_0
+	_ = 01_23.e123
+
+	_ = .0e-1
+	_ = .123e+10
+	_ = .0123e123
+
+	_ = 1_2_3.123
+	_ = 0123.01_23
+
+	// hexadecimal floats
+	_ = 0x0.p+0
+	_ = 0xdeadcafe.p-10
+	_ = 0x1234.p123
+
+	_ = 0x.1p-0
+	_ = 0x.deadcafep2
+	_ = 0x.1234p+10
+
+	_ = 0x0p0
+	_ = 0xdeadcafep+1
+	_ = 0x1234p-10
+
+	_ = 0x0.0p0
+	_ = 0xdead.cafep+1
+	_ = 0x12.34p-10
+
+	_ = 0xdead_cafep+1
+	_ = 0x_1234p-10
+
+	_ = 0x_dead_cafe.p-10
+	_ = 0x12_34.p1_2_3
+	_ = 0x1_2_3_4.p-1_2_3
+
+	// imaginaries
+	_ = 0i
+	_ = 0i
+	_ = 8i
+	_ = 0i
+	_ = 123i
+	_ = 123i
+	_ = 56789i
+	_ = 1234i
+	_ = 1234567i
+
+	_ = 0i
+	_ = 0i
+	_ = 8i
+	_ = 0i
+	_ = 123i
+	_ = 123i
+	_ = 56_789i
+	_ = 1_234i
+	_ = 1_234_567i
+
+	_ = 0.i
+	_ = 123.i
+	_ = 0123.i
+	_ = 000123.i
+
+	_ = 0e0i
+	_ = 123e0i
+	_ = 0123e0i
+	_ = 000123e0i
+
+	_ = 0.e+1i
+	_ = 123.e-1_0i
+	_ = 01_23.e123i
+	_ = 00_01_23.e123i
+
+	_ = 0b1010i
+	_ = 0b1010i
+	_ = 0o660i
+	_ = 0o660i
+	_ = 0xabcDEFi
+	_ = 0xabcDEFi
+	_ = 0xabcDEFp0i
+	_ = 0xabcDEFp0i
+)