From 67c878730a288bba1713226bf12718c8df2ebfc3 Mon Sep 17 00:00:00 2001
From: yctai1994 <yctai.git@gmail.com>
Date: Sat, 13 Jan 2024 20:37:08 +0900
Subject: [PATCH] saddle-points: Type Specification

Specify the input type to align the output type for easier unit testing.
---
 exercises/practice/saddle-points/runtests.jl | 36 ++++++++++----------
 1 file changed, 18 insertions(+), 18 deletions(-)

diff --git a/exercises/practice/saddle-points/runtests.jl b/exercises/practice/saddle-points/runtests.jl
index 5a20d1a2..f10f88c4 100644
--- a/exercises/practice/saddle-points/runtests.jl
+++ b/exercises/practice/saddle-points/runtests.jl
@@ -4,47 +4,47 @@ include("saddle-points.jl")
 
 @testset verbose = true "Saddle Points" begin
     @testset "Can identify single saddle point" begin
-        M = [9 8 7; 5 3 2; 6 6 7]
-        @test saddlepoints(M) == [(2, 1)]
+        M = Int[9 8 7; 5 3 2; 6 6 7]
+        @test saddlepoints(M) == NTuple{2,Int}[(2, 1)]
     end
 
     @testset "Can identify that empty matrix has no saddle points" begin
-        M = []
-        @test saddlepoints(M) == []
+        M = Int[]
+        @test saddlepoints(M) == NTuple{2,Int}[]
     end
 
     @testset "Can identify lack of saddle points when there are none" begin
-        M = [1 2 3; 3 1 2; 2 3 1]
-        @test saddlepoints(M) == []
+        M = Int[1 2 3; 3 1 2; 2 3 1]
+        @test saddlepoints(M) == NTuple{2,Int}[]
     end
 
     @testset "Can identify multiple saddle points in a column" begin
-        M = [4 5 4; 3 5 5; 1 5 4]
-        @test saddlepoints(M) == [(1, 2), (2, 2), (3, 2)]
+        M = Int[4 5 4; 3 5 5; 1 5 4]
+        @test saddlepoints(M) == NTuple{2,Int}[(1, 2), (2, 2), (3, 2)]
     end
 
     @testset "Can identify multiple saddle points in a row" begin
-        M = [6 7 8; 5 5 5; 7 5 6]
-        @test saddlepoints(M) == [(2, 1), (2, 2), (2, 3)]
+        M = Int[6 7 8; 5 5 5; 7 5 6]
+        @test saddlepoints(M) == NTuple{2,Int}[(2, 1), (2, 2), (2, 3)]
     end
 
     @testset "Can identify saddle point in bottom right corner" begin
-        M = [8 7 9; 6 7 6; 3 2 5]
-        @test saddlepoints(M) == [(3, 3)]
+        M = Int[8 7 9; 6 7 6; 3 2 5]
+        @test saddlepoints(M) == NTuple{2,Int}[(3, 3)]
     end
 
     @testset "Can identify saddle points in a non square matrix" begin
-        M = [3 1 3; 3 2 4]
-        @test saddlepoints(M) == [(1, 1), (1, 3)]
+        M = Int[3 1 3; 3 2 4]
+        @test saddlepoints(M) == NTuple{2,Int}[(1, 1), (1, 3)]
     end
 
     @testset "Can identify that saddle points in a single column matrix are those with the minimum value" begin
-        M = reshape([2, 1, 4, 1], :, 1)
-        @test saddlepoints(M) == [(2, 1), (4, 1)]
+        M = reshape(Int[2, 1, 4, 1], :, 1)
+        @test saddlepoints(M) == NTuple{2,Int}[(2, 1), (4, 1)]
     end
 
     @testset "Can identify that saddle points in a single row matrix are those with the maximum value" begin
-        M = [2 5 3 5]
-        @test saddlepoints(M) == [(1, 2), (1, 4)]
+        M = Int[2 5 3 5]
+        @test saddlepoints(M) == NTuple{2,Int}[(1, 2), (1, 4)]
     end
 end