Apply some basic formatting rules to test files (#20688)

I mostly did with with some grepping and replacing, and stopped when
I got board.  We probably should just auto-format the whole thing
but I tried that was was overwhelmed by the scale the changes it
made.

Author: sbc100

test/alloc_3gb.c

@@ -3,17 +3,16 @@
 #include <stdint.h>
 #include <assert.h>
 
-int main()
-{
-	uint8_t *ptr1 = (uint8_t *)malloc(1024*1024);
-	assert(ptr1);
-	uint8_t *ptr2 = (uint8_t *)malloc(3u*1024*1024*1024);
-	assert(ptr2);
-	uint8_t *ptr3 = (uint8_t *)malloc(1024*1024);
-	assert(ptr3);
-	free(ptr1);
-	free(ptr3);
-	free(ptr2);
-	printf("OK\n");
-	return 0;
+int main() {
+  uint8_t *ptr1 = (uint8_t *)malloc(1024*1024);
+  assert(ptr1);
+  uint8_t *ptr2 = (uint8_t *)malloc(3u*1024*1024*1024);
+  assert(ptr2);
+  uint8_t *ptr3 = (uint8_t *)malloc(1024*1024);
+  assert(ptr3);
+  free(ptr1);
+  free(ptr3);
+  free(ptr2);
+  printf("OK\n");
+  return 0;
 }

test/browser/test_sdl2_canvas_blank.c

@@ -8,7 +8,6 @@
 #include <stdio.h>
 #include <SDL2/SDL.h>
 
-
 int main() {
   SDL_Init(SDL_INIT_VIDEO);
   SDL_Window *window;
@@ -25,4 +24,3 @@ int main() {
 
   return 0;
 }
-

test/browser/test_sdl2_canvas_palette.c

@@ -73,4 +73,3 @@ int main() {
 
   return 0;
 }
-

test/browser/test_sdl2_canvas_palette_2.c

@@ -90,4 +90,3 @@ int main(int argc, char** argv) {
 
   return 0;
 }
-

test/browser/test_sdl2_canvas_proxy.c

@@ -50,4 +50,3 @@ int main(int argc, char **argv) {
   EM_ASM(window.close());
   return 0;
 }
-

test/browser/webgl_array_of_structs_uniform.c

@@ -13,8 +13,7 @@
 #include <GLES2/gl2.h>
 #include <GLES3/gl3.h>
 
-GLuint compile_shader(GLenum shaderType, const char *src)
-{
+GLuint compile_shader(GLenum shaderType, const char *src) {
   GLuint shader = glCreateShader(shaderType);
   glShaderSource(shader, 1, &src, NULL);
   glCompileShader(shader);
@@ -32,22 +31,20 @@ GLuint compile_shader(GLenum shaderType, const char *src)
     return 0;
   }
 
-   return shader;
+  return shader;
 }
 
-GLuint create_program(GLuint vertexShader, GLuint fragmentShader)
-{
-   GLuint program = glCreateProgram();
-   glAttachShader(program, vertexShader);
-   glAttachShader(program, fragmentShader);
-   glBindAttribLocation(program, 0, "apos");
-   glBindAttribLocation(program, 1, "acolor");
-   glLinkProgram(program);
-   return program;
+GLuint create_program(GLuint vertexShader, GLuint fragmentShader) {
+  GLuint program = glCreateProgram();
+  glAttachShader(program, vertexShader);
+  glAttachShader(program, fragmentShader);
+  glBindAttribLocation(program, 0, "apos");
+  glBindAttribLocation(program, 1, "acolor");
+  glLinkProgram(program);
+  return program;
 }
 
-int main()
-{
+int main() {
   EmscriptenWebGLContextAttributes attr;
   emscripten_webgl_init_context_attributes(&attr);
   attr.majorVersion = 2;
@@ -80,8 +77,7 @@ int main()
   GLuint program = create_program(vs, fs);
   glUseProgram(program);
 
-  struct P
-  {
+  struct P {
     float x, y;
     int idx;
   };

test/browser/webgl_color_buffer_readpixels.cpp

@@ -16,8 +16,7 @@
 
 EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
 
-int main()
-{
+int main() {
   EmscriptenWebGLContextAttributes attrs;
   emscripten_webgl_init_context_attributes(&attrs);
   attrs.enableExtensionsByDefault = true;
@@ -58,8 +57,7 @@ int main()
   printf("GL_IMPLEMENTATION_COLOR_READ_FORMAT for FBO with float renderbuffer: 0x%x\n", format);
 
   // Try glReadPixels() in that format.
-  if (format == GL_RGBA && type == GL_UNSIGNED_BYTE)
-  {
+  if (format == GL_RGBA && type == GL_UNSIGNED_BYTE) {
     printf("Oops, WebGL implementation returns an implementation defined color type(==GL_UNSIGNED_BYTE) & format(==GL_RGBA) that should "
            "not be possible to be used to sample WebGL floating point color renderbuffer according to WEBGL_color_buffer_float.\n");
   }

test/browser/webgl_create_context.cpp

@@ -20,22 +20,21 @@
 #include <emscripten/html5.h>
 
 std::vector<std::string> &split(const std::string &s, char delim, std::vector<std::string> &elems) {
-    std::stringstream ss(s);
-    std::string item;
-    while (std::getline(ss, item, delim)) {
-        elems.push_back(item);
-    }
-    return elems;
+  std::stringstream ss(s);
+  std::string item;
+  while (std::getline(ss, item, delim)) {
+    elems.push_back(item);
+  }
+  return elems;
 }
 
 std::vector<std::string> split(const std::string &s, char delim) {
-    std::vector<std::string> elems;
-    split(s, delim, elems);
-    return elems;
+  std::vector<std::string> elems;
+  split(s, delim, elems);
+  return elems;
 }
 
-GLint GetInt(GLenum param)
-{
+GLint GetInt(GLenum param) {
   GLint value;
   glGetIntegerv(param, &value);
   return value;
@@ -47,8 +46,7 @@ void final(void*) {
 
 EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context;
 
-void loop()
-{
+void loop() {
   EMSCRIPTEN_RESULT res;
   if (!context) {
     // new rendering frame started without a context
@@ -76,8 +74,7 @@ void loop()
   }
 }
 
-int main()
-{
+int main() {
   bool first = true;
   EmscriptenWebGLContextAttributes attrs;
   int depth = 0;
@@ -146,7 +143,7 @@ int main()
     printf("RGBA: %d%d%d%d, Depth: %d, Stencil: %d, Samples: %d\n",
       GetInt(GL_RED_BITS), GetInt(GL_GREEN_BITS), GetInt(GL_BLUE_BITS), GetInt(GL_ALPHA_BITS),
       numDepthBits, numStencilBits, numSamples);
-    
+
     if (!depth && stencil && numDepthBits && numStencilBits && EM_ASM_INT(navigator.userAgent.toLowerCase().indexOf('firefox')) > -1)
     {
       numDepthBits = 0;

test/browser/webgl_create_context2.cpp

@@ -10,8 +10,7 @@
 #include <emscripten/emscripten.h>
 #include <emscripten/html5.h>
 
-int main()
-{
+int main() {
   EmscriptenWebGLContextAttributes attrs;
   emscripten_webgl_init_context_attributes(&attrs);
   // Test that creating a context with #canvas target when -sDISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=0

test/browser/webgl_destroy_context.cpp

@@ -12,33 +12,28 @@
 #include <emscripten.h>
 #include <emscripten/html5.h>
 
-void report_result(int result)
-{
+void report_result(int result) {
   printf("Test finished with result %d\n", result);
   emscripten_force_exit(result);
 }
 
-void finish(void*)
-{
+void finish(void*) {
   report_result(0);
 }
 
-EM_BOOL context_lost(int eventType, const void *reserved, void *userData)
-{
+EM_BOOL context_lost(int eventType, const void *reserved, void *userData) {
   printf("C code received a signal for WebGL context lost! This should not happen!\n");
   report_result(1);
   return 0;
 }
 
-EM_BOOL context_restored(int eventType, const void *reserved, void *userData)
-{
+EM_BOOL context_restored(int eventType, const void *reserved, void *userData) {
   printf("C code received a signal for WebGL context restored! This should not happen!\n");
   report_result(1);
   return 0;
 }
 
-int main()
-{
+int main() {
   EmscriptenWebGLContextAttributes attrs;
   emscripten_webgl_init_context_attributes(&attrs);
   EMSCRIPTEN_WEBGL_CONTEXT_HANDLE context = emscripten_webgl_create_context("#canvas", &attrs);