Fix typos, more tests (#184)

Author: kshyatt

src/SMatrix.jl

@@ -125,7 +125,7 @@ macro SMatrix(ex)
         end
         ex = ex.args[1]
         if length(ex.args) != 3
-            error("Use a 2-dimensional comprehension for @SMatrx")
+            error("Use a 2-dimensional comprehension for @SMatrix")
         end
 
         rng1 = eval(current_module(), ex.args[2].args[2])
@@ -145,7 +145,7 @@ macro SMatrix(ex)
         T = ex.args[1]
         ex = ex.args[2]
         if length(ex.args) != 3
-            error("Use a 2-dimensional comprehension for @SMatrx")
+            error("Use a 2-dimensional comprehension for @SMatrix")
         end
 
         rng1 = eval(current_module(), ex.args[2].args[2])

test/SMatrix.jl

@@ -37,8 +37,10 @@
 
         @test ((@SMatrix [i*j for i = 1:2, j=2:3])::SMatrix{2,2}).data === (2, 4, 3, 6)
         @test ((@SMatrix Float64[i*j for i = 1:2, j=2:3])::SMatrix{2,2}).data === (2.0, 4.0, 3.0, 6.0)
-
         @test (ex = macroexpand(:(@SMatrix [1 2; 3])); isa(ex, Expr) && ex.head == :error)
+        @test (ex = macroexpand(:(@SMatrix [i*j*k for i = 1:2, j=2:3, k=3:4])); isa(ex, Expr) && ex.head == :error)
+        @test (ex = macroexpand(:(@SMatrix Float64[i*j*k for i = 1:2, j=2:3, k=3:4])); isa(ex, Expr) && ex.head == :error)
+        @test (ex = macroexpand(:(@SMatrix fill(1.5, 2, 3, 4))); isa(ex, Expr) && ex.head == :error)
 
         @test ((@SMatrix zeros(2,2))::SMatrix{2, 2, Float64}).data === (0.0, 0.0, 0.0, 0.0)
         @test ((@SMatrix ones(2,2))::SMatrix{2, 2, Float64}).data === (1.0, 1.0, 1.0, 1.0)