1 files changed, 229 insertions, 0 deletions
diff --git a/test/literal.go b/test/literal.go
new file mode 100644
index 0000000..c3d6bc1
--- /dev/null
+++ b/test/literal.go
@@ -0,0 +1,229 @@
+// run
+
+// 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.
+
+// Test literal syntax for basic types.
+
+package main
+
+var nbad int
+
+func assert(cond bool, msg string) {
+	if !cond {
+		if nbad == 0 {
+			print("BUG")
+		}
+		nbad++
+		print(" ", msg)
+	}
+}
+
+func equal(a, b float32) bool {
+	return a == b
+}
+
+func main() {
+	// bool
+	var t bool = true
+	var f bool = false
+	assert(t == !f, "bool")
+
+	// int8
+	var i00 int8 = 0
+	var i01 int8 = 1
+	var i02 int8 = -1
+	var i03 int8 = 127
+	var i04 int8 = -127
+	var i05 int8 = -128
+	var i06 int8 = +127
+	assert(i01 == i00+1, "i01")
+	assert(i02 == -i01, "i02")
+	assert(i03 == -i04, "i03")
+	assert(-(i05+1) == i06, "i05")
+
+	// int16
+	var i10 int16 = 0
+	var i11 int16 = 1
+	var i12 int16 = -1
+	var i13 int16 = 32767
+	var i14 int16 = -32767
+	var i15 int16 = -32768
+	var i16 int16 = +32767
+	assert(i11 == i10+1, "i11")
+	assert(i12 == -i11, "i12")
+	assert(i13 == -i14, "i13")
+	assert(-(i15+1) == i16, "i15")
+
+	// int32
+	var i20 int32 = 0
+	var i21 int32 = 1
+	var i22 int32 = -1
+	var i23 int32 = 2147483647
+	var i24 int32 = -2147483647
+	var i25 int32 = -2147483648
+	var i26 int32 = +2147483647
+	assert(i21 == i20+1, "i21")
+	assert(i22 == -i21, "i22")
+	assert(i23 == -i24, "i23")
+	assert(-(i25+1) == i26, "i25")
+	assert(i23 == (1<<31)-1, "i23 size")
+
+	// int64
+	var i30 int64 = 0
+	var i31 int64 = 1
+	var i32 int64 = -1
+	var i33 int64 = 9223372036854775807
+	var i34 int64 = -9223372036854775807
+	var i35 int64 = -9223372036854775808
+	var i36 int64 = +9223372036854775807
+	assert(i31 == i30+1, "i31")
+	assert(i32 == -i31, "i32")
+	assert(i33 == -i34, "i33")
+	assert(-(i35+1) == i36, "i35")
+	assert(i33 == (1<<63)-1, "i33 size")
+
+	// uint8
+	var u00 uint8 = 0
+	var u01 uint8 = 1
+	var u02 uint8 = 255
+	var u03 uint8 = +255
+	assert(u01 == u00+1, "u01")
+	assert(u02 == u03, "u02")
+	assert(u03 == (1<<8)-1, "u03 size")
+
+	// uint16
+	var u10 uint16 = 0
+	var u11 uint16 = 1
+	var u12 uint16 = 65535
+	var u13 uint16 = +65535
+	assert(u11 == u10+1, "u11")
+	assert(u12 == u13, "u12")
+
+	// uint32
+	var u20 uint32 = 0
+	var u21 uint32 = 1
+	var u22 uint32 = 4294967295
+	var u23 uint32 = +4294967295
+	assert(u21 == u20+1, "u21")
+	assert(u22 == u23, "u22")
+
+	// uint64
+	var u30 uint64 = 0
+	var u31 uint64 = 1
+	var u32 uint64 = 18446744073709551615
+	var u33 uint64 = +18446744073709551615
+	_, _, _, _ = u30, u31, u32, u33
+
+	// float
+	var f00 float32 = 3.14159
+	var f01 float32 = -3.14159
+	var f02 float32 = +3.14159
+	var f03 float32 = 0.0
+	var f04 float32 = .0
+	var f05 float32 = 0.
+	var f06 float32 = -0.0
+	var f07 float32 = 1e10
+	var f08 float32 = -1e10
+	var f09 float32 = 1e-10
+	var f10 float32 = 1e+10
+	var f11 float32 = 1.e-10
+	var f12 float32 = 1.e+10
+	var f13 float32 = .1e-10
+	var f14 float32 = .1e+10
+	var f15 float32 = 1.1e-10
+	var f16 float32 = 1.1e+10
+	assert(f01 == -f00, "f01")
+	assert(f02 == -f01, "f02")
+	assert(f03 == f04, "f03")
+	assert(f04 == f05, "f04")
+	assert(f05 == f06, "f05")
+	assert(f07 == -f08, "f07")
+	assert(equal(f09, 1/f10), "f09")
+	assert(f11 == f09, "f11")
+	assert(f12 == f10, "f12")
+	assert(equal(f13, f09/10.0), "f13")
+	assert(equal(f14, f12/10.0), "f14")
+	assert(equal(f15, f16/1e20), "f15")
+
+	// character
+	var c0 uint8 = 'a'
+	var c1 uint8 = 'ä'
+	var c2 uint8 = '\a'
+	var c3 uint8 = '\b'
+	var c4 uint8 = '\f'
+	var c5 uint8 = '\n'
+	var c6 uint8 = '\r'
+	var c7 uint8 = '\t'
+	var c8 uint8 = '\v'
+	// var c9 uint8 = '本' // correctly caught as error
+	var c9 uint16 = '本'
+	assert(c0 == 0x61, "c0")
+	assert(c1 == 0xe4, "c1")
+	assert(c2 == 0x07, "c2")
+	assert(c3 == 0x08, "c3")
+	assert(c4 == 0x0c, "c4")
+	assert(c5 == 0x0a, "c4")
+	assert(c6 == 0x0d, "c6")
+	assert(c7 == 0x09, "c7")
+	assert(c8 == 0x0b, "c8")
+	assert(c9 == 0x672c, "c9")
+
+	var c00 uint8 = '\000'
+	var c01 uint8 = '\007'
+	var c02 uint8 = '\177'
+	var c03 uint8 = '\377'
+	assert(c00 == 0, "c00")
+	assert(c01 == 7, "c01")
+	assert(c02 == 127, "c02")
+	assert(c03 == 255, "c03")
+
+	var cx0 uint8 = '\x00'
+	var cx1 uint8 = '\x0f'
+	var cx2 uint8 = '\xff'
+	assert(cx0 == 0, "cx0")
+	assert(cx1 == 15, "cx1")
+	assert(cx2 == 255, "cx2")
+
+	var cu0 uint16 = '\u1234'
+	var cu1 uint32 = '\U00101234'
+	assert(cu0 == 0x1234, "cu0")
+	assert(cu1 == 0x101234, "cu1")
+
+	// string
+	var s0 string = ""
+	var s1 string = "hellô"
+	assert(s1[0] == 'h', "s1-0")
+	assert(s1[4] == 0xc3, "s1-4")
+	assert(s1[5] == 0xb4, "s1-5")
+	var s2 string = "\a\b\f\n\r\t\v"
+	_, _ = s0, s2
+
+	var s00 string = "\000"
+	var s01 string = "\007"
+	var s02 string = "\377"
+	assert(s00[0] == 0, "s00")
+	assert(s01[0] == 7, "s01")
+	assert(s02[0] == 255, "s02")
+
+	var x00 string = "\x00"
+	var x01 string = "\x0f"
+	var x02 string = "\xff"
+	assert(x00[0] == 0, "x00")
+	assert(x01[0] == 15, "x01")
+	assert(x02[0] == 255, "x02")
+
+	// these are all the same string
+	var sj0 string = "日本語"
+	var sj1 string = "\u65e5\u672c\u8a9e"
+	var sj2 string = "\U000065e5\U0000672c\U00008a9e"
+	var sj3 string = "\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e"
+	assert(sj0 == sj1, "sj1")
+	assert(sj0 == sj2, "sj2")
+	assert(sj0 == sj3, "sj3")
+
+	if nbad > 0 {
+		panic("literal failed")
+	}
+}