From 126150d0f665e1a5a5103f85f4d7b1ff97f71f9d Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Fri, 6 Jun 2008 13:28:03 -0700
Subject: [PATCH] lots of new tests

SVN=121464
---
 test/for.go        |  56 ++++++++++++
 test/func.go       |  97 +++++++++++++++++++++
 test/helloworld.go |  12 +++
 test/if.go         |  94 ++++++++++++++++++++
 test/iota.go       |  30 +++++++
 test/literal.go    | 210 +++++++++++++++++++++++++++++++++++++++++++++
 test/run           |   3 +-
 test/runtests.sh   |   9 --
 test/sieve.go      |   8 +-
 test/switch.go     | 131 ++++++++++++++++++++++++++++
 test/turing.go     |   2 +-
 11 files changed, 637 insertions(+), 15 deletions(-)
 create mode 100644 test/for.go
 create mode 100644 test/func.go
 create mode 100644 test/helloworld.go
 create mode 100644 test/if.go
 create mode 100644 test/iota.go
 create mode 100644 test/literal.go
 delete mode 100755 test/runtests.sh
 create mode 100644 test/switch.go

diff --git a/test/for.go b/test/for.go
new file mode 100644
index 0000000000..dbdb433239
--- /dev/null
+++ b/test/for.go
@@ -0,0 +1,56 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assertequal(is, shouldbe int, msg string) {
+	if is != shouldbe {
+		print "assertion fail", msg, "\n";
+		panic 1;
+	}
+}
+
+func main() {
+	var i, sum int;
+
+	i = 0;
+	for {
+		i = i + 1;
+		if i > 5 {
+			break;
+		}
+	}
+	assertequal(i, 6, "break");
+
+	sum = 0;
+	for i := 0; i <= 10; i++ {
+		sum = sum + i;
+	}
+	assertequal(sum, 55, "all three");
+
+	sum = 0;
+	for i := 0; i <= 10; {
+		sum = sum + i;
+		i++;
+	}
+	assertequal(sum, 55, "only two");
+
+	sum = 0;
+	for sum < 100 {
+		sum = sum + 9;
+	}
+	assertequal(sum, 99 + 9, "only one");
+
+	sum = 0;
+	for i := 0; i <= 10; i++ {
+		if i % 2 == 0 {
+			continue;
+		}
+		sum = sum + i;
+	}
+	assertequal(sum, 1+3+5+7+9, "continue");
+
+}
diff --git a/test/func.go b/test/func.go
new file mode 100644
index 0000000000..0bb551f45b
--- /dev/null
+++ b/test/func.go
@@ -0,0 +1,97 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assertequal(is, shouldbe int, msg string) {
+	if is != shouldbe {
+		print "assertion fail", msg, "\n";
+		panic 1;
+	}
+}
+
+func f1() {
+}
+
+func f2(a int) {
+}
+
+func f3(a, b int) int {
+	return a+b;
+}
+
+func f4(a, b int, c float) int {
+	return (a+b)/2 + int(c);
+}
+
+func f5(a int) int {
+	return 5;
+}
+
+func f6(a int) (r int) {
+	return 6;
+}
+
+func f7(a int) (int, float) {
+	return 7, 7.0;
+}
+
+
+func f8(a int) (a int, b float) {
+	return 8, 8.0;
+}
+
+type T struct {
+	x, y int;
+}
+
+func (t *T) m10(a int, b float) int {
+	return (t.x+a) * (t.y+int(b));
+}
+
+
+//BUG func f9(a int) (i int, f float) {  // multiple returns not ready yet
+// BUG funny return value
+//	var i float = 9;
+//	var f float = 9.0;
+//	return i, f;
+// return
+// }
+
+
+func main() {
+	f1();
+	f2(1);
+	r3 := f3(1, 2);
+	assertequal(r3, 3, "3");
+	r4 := f4(0, 2, 3.0);
+	assertequal(r4, 4, "4");
+	r5 := f5(1);
+	assertequal(r5, 5, "5");
+	r6 := f6(1);
+	assertequal(r6, 6, "6");
+	var r7 int;
+	var s7 float;
+	//BUG r7, s7 = f7(1);
+	//BUG assertequal(r7, 7, "r7");
+	//BUG assertequal(int(s7), 7, "s7");
+	var r8 int;
+	var s8 float;
+	//BUG r8, s8 = f8(1);
+	//BUG assertequal(r8, 8, "r8");
+	//BUG assertequal(int(s8), 8, "s8");
+	var r9 int;
+	var s9 float;
+	//BUG r9, s9 = f9(1);
+	//BUG assertequal(r9, 9, "r9");
+	//BUG assertequal(int(s9), 9, "s9");
+	var t *T = new(T);
+	t.x = 1;
+	t.y = 2;
+	r10 := t.m10(1, 3.0);
+	assertequal(r10, 10, "10");
+}
diff --git a/test/helloworld.go b/test/helloworld.go
new file mode 100644
index 0000000000..ae1f264f54
--- /dev/null
+++ b/test/helloworld.go
@@ -0,0 +1,12 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func main() int {
+	print "hello, world\n";
+	return 0;
+}
diff --git a/test/if.go b/test/if.go
new file mode 100644
index 0000000000..2018f7018c
--- /dev/null
+++ b/test/if.go
@@ -0,0 +1,94 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assertequal(is, shouldbe int, msg string) {
+	if is != shouldbe {
+		print "assertion fail", msg, "\n";
+		panic 1;
+	}
+}
+
+func main() {
+	i5 := 5;
+	i7 := 7;
+
+	var count int;
+
+	count = 0;
+	if true {
+		count = count + 1;	
+	}
+	assertequal(count, 1, "if true");
+
+	count = 0;
+	if false {
+		count = count + 1;	
+	}
+	assertequal(count, 0, "if false");
+
+	count = 0;
+	if one := 1; true {
+		count = count + one;	
+	}
+	assertequal(count, 1, "if true one");
+
+	count = 0;
+	if one := 1; false {
+		count = count + 1;	
+	}
+	assertequal(count, 0, "if false one");
+
+	count = 0;
+	if {
+		count = count + 1;	
+	}
+	assertequal(count, 1, "if empty");
+
+	count = 0;
+	if one := 1; {
+		count = count + one;	
+	}
+	assertequal(count, 1, "if empty one");
+
+	count = 0;
+	if i5 < i7 {
+		count = count + 1;	
+	}
+	assertequal(count, 1, "if cond");
+
+	count = 0;
+	if true {
+		count = count + 1;	
+	} else
+		count = count - 1;
+	assertequal(count, 1, "if else true");
+
+	count = 0;
+	if false {
+		count = count + 1;	
+	} else
+		count = count - 1;
+	assertequal(count, -1, "if else false");
+
+	count = 0;
+	if t:=1; false {
+		count = count + 1;
+		t := 7;	
+	} else
+		count = count - t;
+	assertequal(count, -1, "if else false var");
+
+	count = 0;
+	t := 1;
+	if false {
+		count = count + 1;
+		t := 7;	
+	} else
+		count = count - t;
+	assertequal(count, -1, "if else false var outside");
+}
diff --git a/test/iota.go b/test/iota.go
new file mode 100644
index 0000000000..22cf876bb7
--- /dev/null
+++ b/test/iota.go
@@ -0,0 +1,30 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assert(cond bool, msg string) {
+	if !cond {
+		print "assertion fail: ", msg, "\n";
+		panic 1;
+	}
+}
+
+const (
+	x int = iota;
+	y = iota;
+	z = 1 << iota;
+	f float = 2 * iota;
+	g float = 4.5 * float(iota);
+);
+
+func main() {
+	assert(x == 0, "x");
+	assert(y == 1, "y");
+	assert(z == 4, "z");
+	assert(f == 6.0, "f");
+	assert(g == 18.0, "g");
+}
diff --git a/test/literal.go b/test/literal.go
new file mode 100644
index 0000000000..bb35873862
--- /dev/null
+++ b/test/literal.go
@@ -0,0 +1,210 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assert(cond bool, msg string) {
+	if !cond {
+		print "assertion fail: ", msg, "\n";
+		panic 1;
+	}
+}
+
+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;  // BUG? not sure these really work
+	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
+//BUG	var u30 uint64 = 0;
+//BUG	var u31 uint64 = 1;
+//BUG	var u32 uint64 = 18446744073709551615;
+//BUG	var u33 uint64 = +18446744073709551615;
+
+	// float
+	var f00 float = 3.14159;
+	var f01 float = -3.14159;
+	var f02 float = +3.14159;
+	var f03 float = 0.0;
+	var f04 float = .0;
+	var f05 float = 0.;
+	var f06 float = -0.0;
+	var f07 float = 1e10;
+	var f08 float = -1e10;
+	var f09 float = 1e-10;
+	var f10 float = 1e+10;
+	var f11 float = 1.e-10;
+	var f12 float = 1.e+10;
+	var f13 float = .1e-10;
+	var f14 float = .1e+10;
+	var f15 float = 1.1e-10;
+	var f16 float = 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(f09 == 1/f10, "f09");
+	assert(f11 == f09, "f11");
+	assert(f12 == f10, "f12");
+	assert(f13 == f09/10.0, "f13");
+	assert(f14 == f12/10.0, "f14");
+	assert(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";  // BUG: \r miscompiles
+
+	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";
+}
diff --git a/test/run b/test/run
index cf6b9e5316..94284f6ad2 100755
--- a/test/run
+++ b/test/run
@@ -28,11 +28,12 @@ do
 		echo >&2 fail: $i
 	fi
 done | cat -v >run.out
+
 case $failed in
 1)
 	echo FAIL
 esac
-rm  /tmp/$USER.$$.gotest
+rm  -f /tmp/$USER.$$.gotest *.6
 if ! diff run.out golden.out
 then
 	failed=1
diff --git a/test/runtests.sh b/test/runtests.sh
deleted file mode 100755
index 9fb0f0ab13..0000000000
--- a/test/runtests.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-# 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.
-
-#!/bin/bash
-GO=$1
-for f in *.go; do
-  $GO $f
-done
diff --git a/test/sieve.go b/test/sieve.go
index 1a96e601dd..c27519ab9d 100644
--- a/test/sieve.go
+++ b/test/sieve.go
@@ -9,7 +9,7 @@ package Main
 // Send the sequence 2, 3, 4, ... to channel 'ch'.
 func Generate(ch *chan> int) {
   for i := 2; ; i++ {
-    >ch = i  // Send 'i' to channel 'ch'.
+    >ch = i;  // Send 'i' to channel 'ch'.
   }
 }
 
@@ -19,7 +19,7 @@ func Filter(in *chan< int, out *chan> int, prime int) {
   for {
     i := <in;  // Receive value of new variable 'i' from 'in'.
     if i % prime != 0 {
-      >out = i  // Send 'i' to channel 'out'.
+      >out = i;  // Send 'i' to channel 'out'.
     }
   }
 }
@@ -33,10 +33,10 @@ func Sieve() {
     print "%d\n",  prime;
     ch1 := new(chan int);
     go Filter(ch, ch1, prime);
-    ch = ch1
+    ch = ch1;
   }
 }
 
 func Main() {
-  Sieve()
+  Sieve();
 }
diff --git a/test/switch.go b/test/switch.go
new file mode 100644
index 0000000000..1184230db2
--- /dev/null
+++ b/test/switch.go
@@ -0,0 +1,131 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// 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 main
+
+func assert(cond bool, msg string) {
+	if !cond {
+		print "assertion fail: ", msg, "\n";
+		panic 1;
+	}
+}
+
+func main() {
+	i5 := 5;
+	i7 := 7;
+
+	switch true {
+	case i5 < 5: assert(false, "<");
+	case i5 == 5: assert(true, "!");
+	case i5 > 5: assert(false, ">");
+	}
+
+	switch {
+	case i5 < 5: assert(false, "<");
+	case i5 == 5: assert(true, "!");
+	case i5 > 5: assert(false, ">");
+	}
+
+	switch x := 5; true {
+	case i5 < x: assert(false, "<");
+	case i5 == x: assert(true, "!");
+	case i5 > x: assert(false, ">");
+	}
+
+	switch x := 5; {  // BUG?: true should not be necessary but now made mandatory in go_lang.txt
+	case i5 < x: assert(false, "<");
+	case i5 == x: assert(true, "!");
+	case i5 > x: assert(false, ">");
+	}
+
+	switch i5 {
+	case 0: assert(false, "0");
+	case 1: assert(false, "1");
+	case 2: assert(false, "2");
+	case 3: assert(false, "3");
+	case 4: assert(false, "4");
+	case 5: assert(true, "5");
+	case 6: assert(false, "6");
+	case 7: assert(false, "7");
+	case 8: assert(false, "8");
+	case 9: assert(false, "9");
+	default: assert(false, "default");
+	}
+
+	switch i5 {
+	case 0,1,2,3,4: assert(false, "4");
+	case 5: assert(true, "5");
+	case 6,7,8,9: assert(false, "9");
+	default: assert(false, "default");
+	}
+
+	switch i5 {
+	case 0:
+	case 1:
+	case 2:
+	case 3:
+	case 4: assert(false, "4");
+	case 5: assert(true, "5");
+	case 6:
+	case 7:
+	case 8:
+	case 9: 
+	default: assert(i5 == 5, "good");
+	}
+
+	switch i5 {
+	case 0: dummy := 0; fallthrough;
+	case 1: dummy := 0; fallthrough;
+	case 2: dummy := 0; fallthrough;
+	case 3: dummy := 0; fallthrough;
+	case 4: dummy := 0; assert(false, "4");
+	case 5: dummy := 0; fallthrough;
+	case 6: dummy := 0; fallthrough;
+	case 7: dummy := 0; fallthrough;
+	case 8: dummy := 0; fallthrough;
+	case 9: dummy := 0; fallthrough;
+	default: dummy := 0; assert(i5 == 5, "good");
+	}
+
+	fired := 0;  // BUG: should be able to use 'false'
+	switch i5 {
+	case 0: dummy := 0; fallthrough;  // tests scoping of cases
+	case 1: dummy := 0; fallthrough;
+	case 2: dummy := 0; fallthrough;
+	case 3: dummy := 0; fallthrough;
+	case 4: dummy := 0; assert(false, "4");
+	case 5: dummy := 0; fallthrough;
+	case 6: dummy := 0; fallthrough;
+	case 7: dummy := 0; fallthrough;
+	case 8: dummy := 0; fallthrough;
+	case 9: dummy := 0; fallthrough;
+	default: dummy := 0; fired = fired + 1; assert(i5 == 5, "good");
+	}
+	assert(fired > 0, "fired");
+
+	count := 0;
+	switch i5 {
+	case 0: count = count + 1; fallthrough;
+	case 1: count = count + 1; fallthrough;
+	case 2: count = count + 1; fallthrough;
+	case 3: count = count + 1; fallthrough;
+	case 4: count = count + 1; assert(false, "4");
+	case 5: count = count + 1; fallthrough;
+	case 6: count = count + 1; fallthrough;
+	case 7: count = count + 1; fallthrough;
+	case 8: count = count + 1; fallthrough;
+	case 9: count = count + 1; fallthrough;
+	default: assert(i5 == count, "good");
+	}
+	assert(fired > 0, "fired");
+
+	fired = 0;
+	switch i := i5 + 2; i {
+	case i7: fired = 1;
+	default: assert(false, "fail");
+	}
+	assert(fired == 1, "var");
+}
diff --git a/test/turing.go b/test/turing.go
index 2b6b69b18a..c622bfb741 100644
--- a/test/turing.go
+++ b/test/turing.go
@@ -10,7 +10,7 @@ package main
 
 func main() {
 	var a [30000]byte;
-	prog := "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.";
+	prog := "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.!";
 	p := 0;
 	pc := 0;
 	for {