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[src/trunk]: src tests/lint: add test cases for lexical analysis
details: https://anonhg.NetBSD.org/src/rev/e7b35782d7bc
branches: trunk
changeset: 379776:e7b35782d7bc
user: rillig <rillig%NetBSD.org@localhost>
date: Sat Jun 19 08:30:08 2021 +0000
description:
tests/lint: add test cases for lexical analysis
diffstat:
distrib/sets/lists/tests/mi | 14 ++++++++-
tests/usr.bin/xlint/lint1/Makefile | 14 ++++++++-
tests/usr.bin/xlint/lint1/lex_char.c | 43 +++++++++++++++++++++++++++
tests/usr.bin/xlint/lint1/lex_char.exp | 5 +++
tests/usr.bin/xlint/lint1/lex_floating.c | 35 +++++++++++++++++++++
tests/usr.bin/xlint/lint1/lex_floating.exp | 1 +
tests/usr.bin/xlint/lint1/lex_integer.c | 43 +++++++++++++++++++++++++++
tests/usr.bin/xlint/lint1/lex_integer.exp | 5 +++
tests/usr.bin/xlint/lint1/lex_string.c | 35 +++++++++++++++++++++
tests/usr.bin/xlint/lint1/lex_string.exp | 8 +++++
tests/usr.bin/xlint/lint1/lex_wide_char.c | 42 ++++++++++++++++++++++++++
tests/usr.bin/xlint/lint1/lex_wide_char.exp | 2 +
tests/usr.bin/xlint/lint1/lex_wide_string.c | 28 +++++++++++++++++
tests/usr.bin/xlint/lint1/lex_wide_string.exp | 2 +
tests/usr.bin/xlint/lint1/t_integration.sh | 8 ++++-
15 files changed, 282 insertions(+), 3 deletions(-)
diffs (truncated from 375 to 300 lines):
diff -r a3a370a85dc2 -r e7b35782d7bc distrib/sets/lists/tests/mi
--- a/distrib/sets/lists/tests/mi Sat Jun 19 06:19:35 2021 +0000
+++ b/distrib/sets/lists/tests/mi Sat Jun 19 08:30:08 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: mi,v 1.1057 2021/06/16 09:39:48 rillig Exp $
+# $NetBSD: mi,v 1.1058 2021/06/19 08:30:08 rillig Exp $
#
# Note: don't delete entries from here - mark them as "obsolete" instead.
#
@@ -6212,6 +6212,18 @@
./usr/tests/usr.bin/xlint/lint1/gcc_init_compound_literal.exp tests-usr.bin-tests compattestfile,atf
./usr/tests/usr.bin/xlint/lint1/gcc_typeof_after_statement.c tests-usr.bin-tests compattestfile,atf
./usr/tests/usr.bin/xlint/lint1/gcc_typeof_after_statement.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_char.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_char.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_floating.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_floating.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_integer.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_integer.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_string.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_string.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_wide_char.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_wide_char.exp tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_wide_string.c tests-usr.bin-tests compattestfile,atf
+./usr/tests/usr.bin/xlint/lint1/lex_wide_string.exp tests-usr.bin-tests compattestfile,atf
./usr/tests/usr.bin/xlint/lint1/msg_000.c tests-usr.bin-tests compattestfile,atf
./usr/tests/usr.bin/xlint/lint1/msg_000.exp tests-usr.bin-tests compattestfile,atf
./usr/tests/usr.bin/xlint/lint1/msg_001.c tests-usr.bin-tests compattestfile,atf
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/Makefile
--- a/tests/usr.bin/xlint/lint1/Makefile Sat Jun 19 06:19:35 2021 +0000
+++ b/tests/usr.bin/xlint/lint1/Makefile Sat Jun 19 08:30:08 2021 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.59 2021/05/25 19:22:18 rillig Exp $
+# $NetBSD: Makefile,v 1.60 2021/06/19 08:30:08 rillig Exp $
NOMAN= # defined
MAX_MESSAGE= 344 # see lint1/err.c
@@ -116,6 +116,18 @@ FILES+= gcc_init_compound_literal.c
FILES+= gcc_init_compound_literal.exp
FILES+= gcc_typeof_after_statement.c
FILES+= gcc_typeof_after_statement.exp
+FILES+= lex_char.c
+FILES+= lex_char.exp
+FILES+= lex_floating.c
+FILES+= lex_floating.exp
+FILES+= lex_integer.c
+FILES+= lex_integer.exp
+FILES+= lex_string.c
+FILES+= lex_string.exp
+FILES+= lex_wide_char.c
+FILES+= lex_wide_char.exp
+FILES+= lex_wide_string.c
+FILES+= lex_wide_string.exp
FILES+= ${:U0 ${:U:${:Urange=${MAX_MESSAGE}}}:C,^.$,0&,:C,^..$,0&,:@i@msg_${i}.c msg_${i}.exp@:Nmsg_176.exp}
FILES+= op_colon.c
FILES+= op_colon.exp
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_char.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_char.c Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,43 @@
+/* $NetBSD: lex_char.c,v 1.1 2021/06/19 08:30:08 rillig Exp $ */
+# 3 "lex_char.c"
+
+/*
+ * Tests for lexical analysis of character constants.
+ *
+ * C99 6.4.4.4 "Character constants"
+ */
+
+void sink(char);
+
+void
+test(void)
+{
+ /* expect+1: empty character constant */
+ sink('');
+
+ sink('a');
+
+ sink('\0');
+
+ /* UTF-8 */
+ /* expect+2: multi-character character constant */
+ /* expect+1: conversion of 'int' to 'char' is out of range */
+ sink('ä');
+ /* rescue the parser: ' */
+
+ /* GCC extension */
+ /* expect+1: dubious escape \e */
+ sink('\e');
+
+ /* since C99 */
+ sink('\x12');
+
+ /* octal */
+ sink('\177');
+
+ /* newline */
+ sink('\n');
+
+ /* expect+1: empty character constant */
+ sink('');
+}
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_char.exp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_char.exp Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,5 @@
+lex_char.c(16): error: empty character constant [73]
+lex_char.c(25): warning: multi-character character constant [294]
+lex_char.c(25): warning: conversion of 'int' to 'char' is out of range, arg #1 [295]
+lex_char.c(30): warning: dubious escape \e [79]
+lex_char.c(42): error: empty character constant [73]
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_floating.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_floating.c Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,35 @@
+/* $NetBSD: lex_floating.c,v 1.1 2021/06/19 08:30:08 rillig Exp $ */
+# 3 "lex_floating.c"
+
+/*
+ * Tests for lexical analysis of floating constants.
+ *
+ * C99 6.4.4.2 "Floating constants"
+ */
+
+void sinkf(float);
+void sinkd(double);
+void sinkl(long double);
+
+void
+test_float(void)
+{
+ sinkf(0.0F);
+ sinkf(0.0f);
+ sinkf(-0.0F);
+ sinkf(-0.0f);
+}
+
+void
+test_double(void)
+{
+ // https://bugs.java.com/bugdatabase/view_bug.do?bug_id=4396272
+ sinkd(2.2250738585072012e-308);
+ sinkd(1.23x); /* expect: syntax error 'x' */
+}
+
+void
+test_long_double(void)
+{
+ sinkl(2.2250738585072012e-308L);
+}
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_floating.exp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_floating.exp Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,1 @@
+lex_floating.c(28): error: syntax error 'x' [249]
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_integer.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_integer.c Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,43 @@
+/* $NetBSD: lex_integer.c,v 1.1 2021/06/19 08:30:08 rillig Exp $ */
+# 3 "lex_integer.c"
+
+/*
+ * Tests for lexical analysis of integer constants.
+ *
+ * C99 6.4.4.1 "Integer constants"
+ */
+
+void sinki(int);
+void sinku(unsigned int);
+
+/* All platforms supported by lint have 32-bit int in two's complement. */
+void
+test_signed_int(void)
+{
+ sinki(0);
+
+ sinki(-1);
+
+ sinki(2147483647);
+
+ /* expect+2: converted from 'long' to 'int' due to prototype */
+ /* expect+1: conversion of 'long' to 'int' is out of range */
+ sinki(2147483648);
+
+ sinki(-2147483647);
+
+ /* expect+1: converted from 'long' to 'int' due to prototype */
+ sinki(-2147483648);
+}
+
+void
+test_unsigned_int(void)
+{
+ sinku(0);
+
+ sinku(4294967295U);
+
+ /* expect+2: from 'unsigned long' to 'unsigned int' due to prototype */
+ /* expect+1: conversion of 'unsigned long' to 'unsigned int' is out of range */
+ sinku(4294967296U);
+}
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_integer.exp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_integer.exp Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,5 @@
+lex_integer.c(25): warning: argument #1 is converted from 'long' to 'int' due to prototype [259]
+lex_integer.c(25): warning: conversion of 'long' to 'int' is out of range, arg #1 [295]
+lex_integer.c(30): warning: argument #1 is converted from 'long' to 'int' due to prototype [259]
+lex_integer.c(42): warning: argument #1 is converted from 'unsigned long' to 'unsigned int' due to prototype [259]
+lex_integer.c(42): warning: conversion of 'unsigned long' to 'unsigned int' is out of range, arg #1 [295]
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_string.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_string.c Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,35 @@
+/* $NetBSD: lex_string.c,v 1.1 2021/06/19 08:30:08 rillig Exp $ */
+# 3 "lex_string.c"
+
+/*
+ * Test lexical analysis of string constants.
+ *
+ * C99 6.4.5 "String literals"
+ */
+
+void sink(const char *);
+
+void
+test(void)
+{
+ sink("");
+
+ sink("hello, world\n");
+
+ sink("\0");
+
+ /* expect+5: unknown character \134 */
+ /* expect+4: syntax error '0' */
+ /* expect+3: unknown character \134 */
+ /* expect+2: unknown character \134 */
+ /* expect+1: unknown character \134 */
+ sink("\0\0\0\0");
+
+ /* expect+1: unknown character \134 */
+ sink("\x"); /* unfinished */
+
+ /* expect+1: unknown character \134 */
+ sink("\y"); /* unknown escape sequence */
+}
+
+/* expect+1: cannot recover from previous errors */
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_string.exp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_string.exp Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,8 @@
+lex_string.c(26): error: unknown character \134 [250]
+lex_string.c(26): error: syntax error '0' [249]
+lex_string.c(26): error: unknown character \134 [250]
+lex_string.c(26): error: unknown character \134 [250]
+lex_string.c(26): error: unknown character \134 [250]
+lex_string.c(29): error: unknown character \134 [250]
+lex_string.c(32): error: unknown character \134 [250]
+lex_string.c(36): error: cannot recover from previous errors [224]
diff -r a3a370a85dc2 -r e7b35782d7bc tests/usr.bin/xlint/lint1/lex_wide_char.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/usr.bin/xlint/lint1/lex_wide_char.c Sat Jun 19 08:30:08 2021 +0000
@@ -0,0 +1,42 @@
+/* $NetBSD: lex_wide_char.c,v 1.1 2021/06/19 08:30:08 rillig Exp $ */
+# 3 "lex_wide_char.c"
+
+/*
+ * Tests for lexical analysis of character constants.
+ *
+ * C99 6.4.4.4 "Character constants"
+ */
+
+void sink(int);
+
+void
+test(void)
+{
+ /* TODO: expect+1: empty character constant */
+ sink(L'');
+
+ sink(L'a');
+
+ sink(L'\0');
+
+ /* UTF-8 */
+ /* expect+1: too many characters in character constant */
+ sink(L'ä');
+ /* rescue the parser: ' */
+
+ /* GCC extension */
+ /* expect+1: dubious escape \e */
+ sink(L'\e');
+
+ /* since C99 */
+ sink(L'\x12');
+
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