Initial project import

tools/v/vlib/sokol/gfx/gfx_test.v

@@ -0,0 +1,29 @@
+// vtest build: !msvc
+// vtest flaky: true
+// vtest retry: 1
+module gfx
+
+import os
+
+fn assert_program_panics(source string, expected string) {
+	source_path := os.join_path(os.temp_dir(),
+		'sokol_gfx_make_image_requires_setup_${os.getpid()}.v')
+	os.write_file(source_path, source) or { panic(err) }
+	defer {
+		os.rm(source_path) or {}
+	}
+	res := os.execute('${os.quoted_path(@VEXE)} run ${os.quoted_path(source_path)}')
+	assert res.exit_code != 0, 'expected the test program to fail'
+	assert res.output.contains(expected), 'expected `${expected}` in `${res.output}`'
+}
+
+fn test_make_image_requires_setup() {
+	assert_program_panics('import sokol.gfx
+
+fn main() {
+	mut desc := gfx.ImageDesc{}
+	_ = gfx.make_image(&desc)
+}
+',
+		'sokol.gfx is not initialized; call gfx.setup(...) before gfx.make_image(...)')
+}