embedFile: change notation from [X:0] to [N:0]
This is for consistency with the documentation on sentinel-terminated {arrays,slices,pointers} which already use `N` for a comptime-inferred size rather than `X`. Also adds a behavioral test to assert that a string literal is returned.
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@ -7447,7 +7447,7 @@ test "main" {
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{#see_also|@divFloor|@divExact#}
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{#header_close#}
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{#header_open|@embedFile#}
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<pre>{#syntax#}@embedFile(comptime path: []const u8) *const [X:0]u8{#endsyntax#}</pre>
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<pre>{#syntax#}@embedFile(comptime path: []const u8) *const [N:0]u8{#endsyntax#}</pre>
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<p>
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This function returns a compile time constant pointer to null-terminated,
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fixed-size array with length equal to the byte count of the file given by
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@ -29,3 +29,14 @@ test "@typeName() returns a string literal" {
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try std.testing.expectEqualStrings("TestType", type_name);
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try std.testing.expectEqualStrings("TestType", ptr_type_name[0..type_name.len]);
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}
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const actual_contents = @embedFile("3779_file_to_embed.txt");
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const ptr_actual_contents: [*:0]const u8 = actual_contents;
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const expected_contents = "hello zig\n";
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test "@embedFile() returns a string literal" {
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try std.testing.expectEqual(*const [expected_contents.len:0]u8, @TypeOf(actual_contents));
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try std.testing.expect(std.mem.eql(u8, expected_contents, actual_contents));
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try std.testing.expectEqualStrings(expected_contents, actual_contents);
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try std.testing.expectEqualStrings(expected_contents, ptr_actual_contents[0..actual_contents.len]);
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}
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1
test/behavior/bugs/3779_file_to_embed.txt
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1
test/behavior/bugs/3779_file_to_embed.txt
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@ -0,0 +1 @@
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hello zig
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