#344 Allow testing only a single lexer by set directory to sub-folder in examples folder.

zufuliu · nyamatongwe · commit 5efc81b7c36f · 2025-12-31T11:28:48.000+11:00
diff --git a/doc/LexillaHistory.html b/doc/LexillaHistory.html
@@ -605,6 +605,10 @@ <h3>
 	Released 10 November 2025.
 	</li>
 	<li>
+	Test a single lexer by specifying as command line argument to TestLexers.
+	<a href="https://github.com/ScintillaOrg/lexilla/pull/344">Pull request #344</a>.
+	</li>
+	<li>
 	Lexer added for escape sequences "escseq".
 	<a href="https://github.com/ScintillaOrg/lexilla/pull/336">Pull request #336</a>.
 	</li>
diff --git a/test/TestLexers.cxx b/test/TestLexers.cxx
@@ -950,14 +950,19 @@ bool AccessLexilla(std::filesystem::path basePath) {
 	}
 
 	bool success = true;
+	size_t count = 0;
 	for (auto &p : std::filesystem::recursive_directory_iterator(basePath)) {
 		if (p.is_directory()) {
 			//std::cout << p.path().string() << '\n';
+			++count;
 			if (!TestDirectory(p, basePath)) {
 				success = false;
 			}
 		}
 	}
+	if (count == 0) {
+		success = TestDirectory(basePath, basePath);
+	}
 	return success;
 }
 
@@ -1006,7 +1011,15 @@ int main(int argc, char **argv) {
 		std::filesystem::path examplesDirectory = baseDirectory / "test" / "examples";
 		for (int i = 1; i < argc; i++) {
 			if (argv[i][0] != '-') {
-				examplesDirectory = argv[i];
+				std::filesystem::path path = argv[i];
+				if (std::filesystem::is_directory(path)) {
+					examplesDirectory = path;
+				} else {
+					path = examplesDirectory / path;
+					if (std::filesystem::is_directory(path)) {
+						examplesDirectory = path;
+					}
+				}
 			}
 		}
 		success = AccessLexilla(examplesDirectory);

Original file line number	Diff line number	Diff line change
`@@ -950,14 +950,19 @@ bool AccessLexilla(std::filesystem::path basePath) {`
`950`	`950`	`}`
`951`	`951`
`952`	`952`	`bool success = true;`
	`953`	`+ size_t count = 0;`
`953`	`954`	`for (auto &p : std::filesystem::recursive_directory_iterator(basePath)) {`
`954`	`955`	`if (p.is_directory()) {`
`955`	`956`	`//std::cout << p.path().string() << '\n';`
	`957`	`+ ++count;`
`956`	`958`	`if (!TestDirectory(p, basePath)) {`
`957`	`959`	`success = false;`
`958`	`960`	`}`
`959`	`961`	`}`
`960`	`962`	`}`
	`963`	`+ if (count == 0) {`
	`964`	`+ success = TestDirectory(basePath, basePath);`
	`965`	`+ }`
`961`	`966`	`return success;`
`962`	`967`	`}`
`963`	`968`
`@@ -1006,7 +1011,15 @@ int main(int argc, char **argv) {`
`1006`	`1011`	`std::filesystem::path examplesDirectory = baseDirectory / "test" / "examples";`
`1007`	`1012`	`for (int i = 1; i < argc; i++) {`
`1008`	`1013`	`if (argv[i][0] != '-') {`
`1009`		`- examplesDirectory = argv[i];`
	`1014`	`+ std::filesystem::path path = argv[i];`
	`1015`	`+ if (std::filesystem::is_directory(path)) {`
	`1016`	`+ examplesDirectory = path;`
	`1017`	`+ } else {`
	`1018`	`+ path = examplesDirectory / path;`
	`1019`	`+ if (std::filesystem::is_directory(path)) {`
	`1020`	`+ examplesDirectory = path;`
	`1021`	`+ }`
	`1022`	`+ }`
`1010`	`1023`	`}`
`1011`	`1024`	`}`
`1012`	`1025`	`success = AccessLexilla(examplesDirectory);`