Skip GDB tab-completion tests if no readline.

2018-09-18  Sandra Loosemore  <sandra@codesourcery.com>

	gdb/testsuite/
	* gdb.base/complete-empty.exp: Skip tab-completion tests if
	no readline.
	* gdb.base/utf8-identifiers.exp: Likewise.
	* gdb.cp/cpcompletion.exp: Likewise.
	* gdb.linespec/cpcompletion.exp: Likewise.
	* gdb.linespec/cpls-abi-tag.exp: Likewise.
	* gdb.linespec/cpls-ops.exp: Likewise.

gdb/testsuite/ChangeLog

@@ -1,3 +1,13 @@
+2018-09-18  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* gdb.base/complete-empty.exp: Skip tab-completion tests if
+	no readline.
+	* gdb.base/utf8-identifiers.exp: Likewise.
+	* gdb.cp/cpcompletion.exp: Likewise.
+	* gdb.linespec/cpcompletion.exp: Likewise.
+	* gdb.linespec/cpls-abi-tag.exp: Likewise.
+	* gdb.linespec/cpls-ops.exp: Likewise.
+
 2018-09-19  Richard Bunt  <richard.bunt@arm.com>
 	    Chris January  <chris.january@arm.com>
 

gdb/testsuite/gdb.base/complete-empty.exp

@@ -20,6 +20,14 @@ load_lib completion-support.exp
 gdb_exit
 gdb_start
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 # Start of tests.
 
 # Test TAB with no input.

gdb/testsuite/gdb.base/utf8-identifiers.exp

@@ -56,6 +56,14 @@ gdb_test "continue" \
 # names getting in the way of completion.
 gdb_test_no_output "nosharedlibrary"
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 # Test linespec completion.
 
 # A unique completion.

gdb/testsuite/gdb.cp/cpcompletion.exp

@@ -59,6 +59,14 @@ if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
     return -1
 }
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 # Test that completion is restricted by class name (all methods)
 test_class_complete Foo "" "complete class methods" \
     [list Foo Foofoo get_foo set_foo ~Foo]

gdb/testsuite/gdb.linespec/cpcompletion.exp

@@ -24,6 +24,14 @@ if {[prepare_for_testing "failed to prepare" $testfile \
     return -1
 }
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 # Disable the completion limit for the whole testcase.
 gdb_test_no_output "set max-completions unlimited"
 

gdb/testsuite/gdb.linespec/cpls-abi-tag.exp

@@ -26,6 +26,14 @@ if {[prepare_for_testing "failed to prepare" $testfile \
     return -1
 }
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 gdb_test_no_output "set max-completions unlimited"
 
 # Check that the explicit location completer manages to find the next

gdb/testsuite/gdb.linespec/cpls-ops.exp

@@ -24,6 +24,14 @@ if {[prepare_for_testing "failed to prepare" $testfile \
     return -1
 }
 
+# Tests below are about tab-completion, which doesn't work if readline
+# library isn't used.  Check it first.
+
+if { ![readline_is_used] } {
+    untested "no tab completion support without readline"
+    return -1
+}
+
 gdb_test_no_output "set max-completions unlimited"
 
 # Check that the explicit location completer manages to find the next