string: separate strip_margin tests into different functions

vlib/builtin/string_test.v

@@ -696,78 +696,115 @@ fn test_split_into_lines() {
 	}
 }
 
-fn test_strip_margins() {
-	no_tabs := 'Hello there
-This is a string
-With multiple lines'
+fn test_strip_margins_no_tabs() {
+	no_tabs := ['Hello there',
+	            'This is a string',
+	            'With multiple lines',
+	           ].join('\n')
 	no_tabs_stripped := 'Hello there
 	                    |This is a string
 						|With multiple lines'.strip_margin()
 	assert no_tabs == no_tabs_stripped
+}
 
-	text_before := 'There is text
-before the delimiter
-that should be removed as well'
+fn test_strip_margins_text_before() {
+	text_before := ['There is text',
+	                'before the delimiter',
+	                'that should be removed as well',
+	               ].join('\n')
 	text_before_stripped := 'There is text
 	f lasj  asldfj j lksjdf |before the delimiter
 	Which is removed hello  |that should be removed as well'.strip_margin()
 	assert text_before_stripped == text_before
+}
 
-	tabs := '	Tab
-    spaces
-	another tab'
+fn test_strip_margins_white_space_after_delim() {
+	tabs := ['	Tab',
+	         '    spaces',
+	         '	another tab',
+	        ].join('\n')
 	tabs_stripped := '	Tab
 	                 |    spaces
 					 |	another tab'.strip_margin()
 	assert tabs == tabs_stripped
+}
 
-	alternate_delimiter := 'This has a different delim,
-but that is ok
-	because everything works'
+fn test_strip_margins_alternate_delim() {
+	alternate_delimiter := ['This has a different delim,',
+	                        'but that is ok',
+	                        'because everything works',
+	                       ].join('\n')
 	alternate_delimiter_stripped := 'This has a different delim,
-		                            #but that is ok
-                                    #	because everything works'.strip_margin(`#`)
+	                                #but that is ok
+                                    #because everything works'.strip_margin(`#`)
 	assert alternate_delimiter_stripped == alternate_delimiter
+}
 
-	delim_after_first_instance := 'The delimiter used
-only matters the |||| First time it is seen
-not any | other | times'
+fn test_strip_margins_multiple_delims_after_first() {
+	delim_after_first_instance := ['The delimiter used',
+	                               'only matters the |||| First time it is seen',
+	                               'not any | other | times',
+	                              ].join('\n')
 	delim_after_first_instance_stripped := 'The delimiter used
 	                                       |only matters the |||| First time it is seen
 	                                       |not any | other | times'.strip_margin()
 	assert delim_after_first_instance_stripped == delim_after_first_instance
+}
 
-	uneven_delims := 'It doesn\'t matter if the delims are uneven,
-The text will still be delimited correctly.
-Maybe not everything needs 3 lines?
-Let us go for 4 then'
+fn test_strip_margins_uneven_delims() {
+	uneven_delims := ['It doesn\'t matter if the delims are uneven,',
+	                  'The text will still be delimited correctly.',
+	                  'Maybe not everything needs 3 lines?',
+	                  'Let us go for 4 then',
+	                 ].join('\n')
 	uneven_delims_stripped := 'It doesn\'t matter if the delims are uneven,
            |The text will still be delimited correctly.
                       |Maybe not everything needs 3 lines?
 		 	 	|Let us go for 4 then'.strip_margin()
 	assert uneven_delims_stripped == uneven_delims
+}
 
-	multi_blank_lines := 'Multiple blank lines will be removed.
-	I actually consider this a feature.'
+fn test_strip_margins_multiple_blank_lines() {
+	multi_blank_lines := ['Multiple blank lines will be removed.',
+	                      '	I actually consider this a feature.',
+	                     ].join('\n')
 	multi_blank_lines_stripped := 'Multiple blank lines will be removed.
 
 
 
 		|	I actually consider this a feature.'.strip_margin()
 	assert multi_blank_lines == multi_blank_lines_stripped
+}
 
-	end_with_newline := 'This line will end with a newline
-Something cool or something.
-'
+fn test_strip_margins_end_newline() {
+	end_with_newline := ['This line will end with a newline',
+	                     'Something cool or something.',
+	                     '',
+	                    ].join('\n')
 	end_with_newline_stripped := 'This line will end with a newline
 	                             |Something cool or something.
 
 					'.strip_margin()
 	assert end_with_newline_stripped == end_with_newline
+}
 
-	space_delimiter := 'Using a white-space char will
-revert back to default behavior.'
+fn test_strip_margins_space_delimiter() {
+	space_delimiter := ['Using a white-space char will',
+	                    'revert back to default behavior.',
+	                   ].join('\n')
 	space_delimiter_stripped := 'Using a white-space char will
 		|revert back to default behavior.'.strip_margin(`\n`)
 	assert space_delimiter == space_delimiter_stripped
 }
+
+fn test_strip_margins_crlf() {
+	crlf := ['This string\'s line endings have CR as well as LFs.',
+	         'This should pass',
+	         'Definitely',
+	        ].join('\r\n')
+	crlf_stripped := 'This string\'s line endings have CR as well as LFs.\r
+	                 |This should pass\r
+					 |Definitely'.strip_margin()
+
+	assert crlf == crlf_stripped
+}