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1 files changed, 137 insertions, 0 deletions

diff --git a/gcc/testsuite/gfortran.dg/namelist_19.f90 b/gcc/testsuite/gfortran.dg/namelist_19.f90
new file mode 100644
index 000000000..4821033ec
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/namelist_19.f90
@@ -0,0 +1,137 @@
+!{ dg-do run }
+!{ dg-options "-std=legacy" }
+!
+! Test namelist error trapping.
+! provided by Paul Thomas - pault@gcc.gnu.org
+
+program namelist_19
+  character*80 wrong, right
+  
+! "=" before any object name
+  wrong = "&z = i = 1,2 /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+  
+! &* instead of &end for termination 
+  wrong = "&z i = 1,2 &xxx"
+  right = "&z i = 1,2 &end"
+  call test_err(wrong, right)
+  
+! bad data 
+  wrong = "&z i = 1,q /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+  
+! object name not matched 
+  wrong = "&z j = 1,2 /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+
+! derived type component for intrinsic type
+  wrong = "&z i%j = 1,2 /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+
+! step other than 1 for substring qualifier
+  wrong = "&z ch(1:2:2) = 'a'/"
+  right = "&z ch(1:2) = 'ab' /"
+  call test_err(wrong, right)
+
+! qualifier for scalar 
+  wrong = "&z k(2) = 1 /"
+  right = "&z k    = 1 /"
+  call test_err(wrong, right)
+
+! no '=' after object name 
+  wrong = "&z i   1,2 /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+
+! repeat count too large 
+  wrong = "&z i = 3*2 /"
+  right = "&z i = 2*2 /"
+  call test_err(wrong, right)
+
+! too much data 
+  wrong = "&z i = 1 2 3 /"
+  right = "&z i = 1 2 /"
+  call test_err(wrong, right)
+
+! no '=' after object name 
+  wrong = "&z i   1,2 /"
+  right = "&z i = 1,2 /"
+  call test_err(wrong, right)
+
+! bad number of index fields
+  wrong = "&z i(1,2) = 1 /"
+  right = "&z i(1)   = 1 /"
+  call test_err(wrong, right)
+
+! bad character in index field 
+  wrong = "&z i(x) = 1 /"
+  right = "&z i(1) = 1 /"
+  call test_err(wrong, right)
+
+! null index field 
+  wrong = "&z i( ) = 1 /"
+  right = "&z i(1) = 1 /"
+  call test_err(wrong, right)
+
+! null index field 
+  wrong = "&z i(1::)   = 1 2/"
+  right = "&z i(1:2:1) = 1 2 /"
+  call test_err(wrong, right)
+
+! null index field 
+  wrong = "&z i(1:2:)  = 1 2/"
+  right = "&z i(1:2:1) = 1 2 /"
+  call test_err(wrong, right)
+
+! index out of range 
+  wrong = "&z i(10) = 1 /"
+  right = "&z i(1)  = 1 /"
+  call test_err(wrong, right)
+
+! index out of range 
+  wrong = "&z i(0:1) = 1 /"
+  right = "&z i(1:1) = 1 /"
+  call test_err(wrong, right)
+
+! bad range
+  wrong = "&z i(1:2:-1) = 1 2 /"
+  right = "&z i(1:2: 1) = 1 2 /"
+  call test_err(wrong, right)
+
+! bad range
+  wrong = "&z i(2:1: 1) = 1 2 /"
+  right = "&z i(2:1:-1) = 1 2 /"
+  call test_err(wrong, right)
+
+contains
+  subroutine test_err(wrong, right)
+    character*80 wrong, right
+    integer            :: i(2) = (/0, 0/)
+    integer            :: k =0
+    character*2        :: ch = "  "
+    namelist /z/ i, k, ch
+
+! Check that wrong namelist input gives an error
+
+    open (10, status = "scratch")
+    write (10, '(A)') wrong
+    rewind (10)
+    read (10, z, iostat = ier)
+    close(10)
+    if (ier == 0) call abort ()
+
+! Check that right namelist input gives no error
+
+    open (10, status = "scratch")
+    write (10, '(A)') right
+    rewind (10)
+    read (10, z, iostat = ier)
+    close(10)
+    if (ier /= 0) call abort ()
+  end subroutine test_err
+  
+end program namelist_19