tests/examples: Explicitly mark tests generating text

This is similar to the previous commit, but for text output that is
produced by some test.

Signed-off-by: Uli Schlachter <psychon@znc.in>

tests/examples/CMakeLists.txt

@@ -229,6 +229,9 @@ function(run_test test_path namespace escaped_content)
     # If there is an output, assume it is relevant and add it to the
     # documentation under the image.
     if(NOT ${TEST_OUTPUT} STREQUAL "")
+        if(NOT tmp_content MATCHES "--DOC_GEN_OUTPUT")
+            message(FATAL_ERROR "Unexpected output from ${test_path}: ${TEST_OUTPUT}")
+        endif()
         set(TEST_DOC_CONTENT
             "${TEST_DOC_CONTENT}\n${DOC_LINE_PREFIX}\n${DOC_LINE_PREFIX}**Usage example output**:\n${DOC_LINE_PREFIX}"
         )

tests/examples/awful/mouse/coords.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE --DOC_HIDE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE --DOC_HIDE
 screen[1]._resize {x = 175, width = 128, height = 96} --DOC_HIDE
 mouse.coords {x=175+60,y=60} --DOC_HIDE
 

tests/examples/awful/placement/closest_mouse.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE --DOC_HIDE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE --DOC_HIDE
 local awful = {placement = require("awful.placement")} --DOC_HIDE
 
 local c = client.gen_fake {x = 20, y = 20, width= 280, height=200, screen =screen[1]} --DOC_HIDE

tests/examples/awful/placement/no_offscreen.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE --DOC_HIDE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE --DOC_HIDE
 local awful = {placement = require("awful.placement")} --DOC_HIDE
 
 local c = client.gen_fake {x = -30, y = -30, width= 100, height=100} --DOC_HIDE

tests/examples/text/gears/object/properties.lua

@@ -1,3 +1,4 @@
+--DOC_GEN_OUTPUT --DOC_HIDE
 local gears = require("gears") --DOC_HIDE
 
 -- Create a class for this object. It will be used as a backup source for

tests/examples/text/gears/object/signal.lua

@@ -1,3 +1,4 @@
+--DOC_GEN_OUTPUT --DOC_HIDE
 local gears = require("gears") --DOC_HIDE
 
 local o = gears.object{}

tests/examples/text/gears/sort/topological.lua

@@ -1,3 +1,4 @@
+--DOC_GEN_OUTPUT --DOC_HIDE
 local gears = {sort={topological = require("gears.sort.topological")}} --DOC_HIDE
 
 local tsort = gears.sort.topological()

tests/examples/wibox/layout/grid/add.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local generic_widget, generic_before_after = ... --DOC_HIDE_ALL
 local wibox = require("wibox") --DOC_HIDE
 local beautiful = require("beautiful") --DOC_HIDE

tests/examples/wibox/layout/grid/extend_column.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local _, generic_before_after = ... --DOC_HIDE_ALL
 local wibox = require("wibox") --DOC_HIDE
 

tests/examples/wibox/layout/grid/insert_column.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local _, generic_before_after = ... --DOC_HIDE_ALL
 local wibox = require("wibox") --DOC_HIDE
 

tests/examples/wibox/layout/grid/orientation.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local generic_widget = ... --DOC_HIDE_ALL
 local wibox     = require("wibox") --DOC_HIDE
 local beautiful = require("beautiful") --DOC_HIDE

tests/examples/wibox/layout/grid/remove.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local _, generic_before_after = ... --DOC_HIDE_ALL
 local wibox = require("wibox") --DOC_HIDE
 

tests/examples/wibox/layout/grid/remove_column.lua

@@ -1,4 +1,4 @@
---DOC_GEN_IMAGE
+--DOC_GEN_OUTPUT --DOC_GEN_IMAGE
 local _, generic_before_after = ... --DOC_HIDE_ALL
 local wibox = require("wibox") --DOC_HIDE