parser: port array/slice literal and pointer type tests

- "sentinel array literal 1 element"
- "anon literal in array"
- "Unicode code point literal larger than u8"
- "slices with spaces in bounds"
- "C pointers"

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

parser_test.zig

@@ -1817,6 +1817,53 @@ test "zig fmt: c pointer type" {
     );
 }
 
+test "zig fmt: sentinel array literal 1 element" {
+    try testCanonical(
+        \\test {
+        \\    const x = [_:9000]u32{a};
+        \\}
+        \\
+    );
+}
+
+test "zig fmt: anon literal in array" {
+    try testCanonical(
+        \\var arr: [2]Foo = .{
+        \\    .{ .a = 2 },
+        \\    .{ .b = 3 },
+        \\};
+        \\
+    );
+}
+
+test "zig fmt: Unicode code point literal larger than u8" {
+    try testCanonical(
+        \\test {
+        \\    const x = X{
+        \\        .a = b,
+        \\    };
+        \\}
+        \\
+    );
+}
+
+test "zig fmt: slices with spaces in bounds" {
+    try testCanonical(
+        \\const a = b[0 + 0 ..];
+        \\const c = d[0 + 0 .. 1];
+        \\const c = d[0 + 0 .. :0];
+        \\const e = f[0 .. 1 + 1 :0];
+        \\
+    );
+}
+
+test "zig fmt: C pointers" {
+    try testCanonical(
+        \\const Ptr = [*c]i32;
+        \\
+    );
+}
+
 test "zig fmt: sentinel-terminated array type" {
     try testCanonical(
         \\pub fn cStrToPrefixedFileW(s: [*:0]const u8) ![PATH_MAX_WIDE:0]u16 {