+###### test: type_err4
+ func main()
+ a:=1; b=2; c::=3
+ print a, b, c
+
+###### output: type_err4
+ .tmp.code:3:14: error: variable used but not declared: b
+ .tmp.code:3:16: error: expected none found number
+ .tmp.code:3:14: info: variable 'b' was set as none here.
+ oceani: type error in program - not running.
+
+###### test: type_err5
+ struct foo
+ bar:baz
+ a:number
+ struct baz
+ bat:foo
+ b:string
+ struct foo
+ c:number
+ x:[5]:string
+
+###### output: type_err5
+ .tmp.code:8:7: error: type already declared: foo
+ .tmp.code:2:7: info: this is location of declartion: foo
+ .tmp.code:10:13: Syntax error in struct field: :
+ .tmp.code:5:7: error: type has recursive definition: baz
+ .tmp.code:2:7: error: type has recursive definition: foo
+
+###### test: type_err6
+
+ func main()
+ a:= "hello"
+ if ?a:
+ print "no"
+ print a ?? "there"
+
+###### output: type_err6
+ .tmp.code:4:12: error: '?' requires a testable value, not string
+ .tmp.code:6:14: error: "??" requires a testable value, not string
+ oceani: type error in program - not running.
+
+
+###### test list
+ oceani_failing_tests += type_err_const type_err_const1 type_err_const2 missing_program bad_main
+
+###### test: type_err_const
+ const
+ foo :: number = 45
+ bar ::= "string" + 56
+ const
+ bar ::= "baz"
+ func main()
+ foo := 4
+ print foo, bar
+
+ // trigger duplicate-main error
+ func main()
+ foo := 6
+ print bar, foo
+
+###### output: type_err_const
+ .tmp.code:6:8: error: name already declared: bar
+ .tmp.code:4:8: info: this is where 'bar' was first declared
+ .tmp.code:8:8: error: variable 'foo' redeclared
+ .tmp.code:3:8: info: this is where 'foo' was first declared
+ .tmp.code:12:5: error: function 'main' redeclared
+ .tmp.code:7:5: info: this is where 'main' was first declared
+ .tmp.code:13:8: error: variable 'foo' redeclared
+ .tmp.code:3:8: info: this is where 'foo' was first declared
+ .tmp.code:4:16: error: expected number found string
+
+###### test: type_err_const1
+ const
+ foo : number = 45
+ bar := "string"
+ func main()
+ foo := 4
+ print foo, bar
+
+###### output: type_err_const1
+ .tmp.code:3:12: Syntax error in constant: :
+ .tmp.code:4:12: Syntax error in constant: :
+
+###### test: type_err_const2
+ const
+ four ::= two + two
+ two ::= four / 2
+
+###### output: type_err_const2
+ .tmp.code:3:8: error: const four cannot be resolved.
+ .tmp.code:4:8: error: const two cannot be resolved.
+
+###### test: missing_program
+ const
+ foo::="bar"
+
+###### output: missing_program
+ oceani: no main function found.
+
+###### test: bad_main
+ func main(foo:string)
+ print foo
+
+###### output: bad_main
+ .tmp.code:2:10: error: expected []string but variable 'foo' is string
+ .tmp.code:2:10: info: this is where 'foo' was set to string
+ oceani: main has wrong type.
+
+Test for type errors with functions
+
+###### test list
+ oceani_failing_tests += func_err_args func_err_redeclare
+
+###### test: func_err_args
+
+ func test1(a:number; b:string; c:[3]Boolean)
+ print a, b, c[1]
+
+ func test2(a:number; b:string; c:[3]Boolean)
+ print a, b, c[1]
+
+ func test3()
+ # use undefined names
+ print a, z
+
+ func main()
+ truth:[3]Boolean
+ truth[1] = True
+ test1(1,"hello")
+ test1("hello",1)
+ test1(1, "two", truth)
+ test1(1, 2, truth)
+ test1(1, "lo", truth, 4)
+ print test(), test1(1,2,3)
+ if test1 == test2:
+ pass
+
+ func test4(a:number):string
+ use a * a
+
+ func test5(a:number):string
+ print a
+
+ struct foo
+ a: number
+ b:string = "hello"
+
+ func test6(a:number):foo
+ b:foo
+ b.a = a
+ use b
+
+ func test7(a:@number)
+ test7(45)
+ test7("45")
+
+###### output: func_err_args
+ .tmp.code:40:14: error: cannot pass rval when reference expected
+ .tmp.code:41:14: error: expected @number found string
+ .tmp.code:34:5: error: function cannot return value of type foo
+ .tmp.code:28:8: error: expected string, found none
+ .tmp.code:25:8: error: expected string, found number
+ .tmp.code:15:14: error: insufficient arguments to function.
+ .tmp.code:16:14: error: expected number found string
+ .tmp.code:16:22: error: expected string found number
+ .tmp.code:16:14: error: insufficient arguments to function.
+ .tmp.code:18:17: error: expected string found number
+ .tmp.code:19:14: error: too many arguments to function.
+ .tmp.code:20:14: error: attempt to call a non-function.
+ .tmp.code:20:32: error: expected string found number
+ .tmp.code:20:28: error: insufficient arguments to function.
+ .tmp.code:21:20: error: expected "func test1" but variable 'test2' is "func test2"
+ .tmp.code:5:5: info: this is where 'test2' was set to "func test2"
+ .tmp.code:10:14: error: variable used but not declared: a
+ .tmp.code:10:17: error: variable used but not declared: z
+ oceani: type error in program - not running.
+
+###### test: func_err_redeclare
+
+ func test1(a:number; b:string; c:[3]Boolean)
+ print a, b, c[1]
+
+ func test1
+ do
+ pass
+
+ func test1
+ b:Boolean
+ do
+ pass
+
+###### output: func_err_redeclare
+ .tmp.code:5:5: error: function 'test1' redeclared
+ .tmp.code:2:5: info: this is where 'test1' was first declared
+ .tmp.code:9:5: error: function 'test1' redeclared
+ .tmp.code:2:5: info: this is where 'test1' was first declared
+
+Test for errors with references
+
+###### test list
+ oceani_failing_tests += ref_err1 ref_err2
+
+###### test: ref_err1
+ func main()
+ ref:@number
+ @foo = ref
+ ref = @old()
+ if ref == @null:
+ print "null"
+
+###### output: ref_err1
+ .tmp.code:4:9: error: only "@free" makes sense here: foo
+ .tmp.code:5:15: error: Only reference function is "@new()": old
+ .tmp.code:6:19: error: Only reference value is "@nil": null
+
+###### test: ref_err2
+ func main()
+ ref:@number
+ ref2:@string
+ num:number = @new()
+ print num@
+ if num == @nil or ref == ref2 or ref == 2 or ref.foo:
+ @free = num
+ ref = 1
+
+###### output: ref_err2
+ .tmp.code:5:22: error: @new() can only be used with references, not number
+ .tmp.code:5:8: info: variable 'num' was set as number here.
+ .tmp.code:6:14: error: Cannot dereference number
+ .tmp.code:7:19: error: @nil can only be used with reference, not number
+ .tmp.code:7:33: error: expected @number but variable 'ref2' is @string
+ .tmp.code:4:8: info: this is where 'ref2' was set to @string
+ .tmp.code:7:48: error: expected @number found number
+ .tmp.code:7:53: error: field reference on number is not supported
+ .tmp.code:7:56: error: have none but need Boolean
+ .tmp.code:8:17: error: @free can only be assigned a reference, not number
+ .tmp.code:8:17: error: @free can only be assigned a reference, not number
+ .tmp.code:9:8: error: Cannot assign an rval to a reference.
+ oceani: type error in program - not running.