From e4fe93a12666e44f7d55dad20472c93d72f86944 Mon Sep 17 00:00:00 2001
From: Anders Pearson <anders@thraxil.org>
Date: Sun, 23 Jul 2017 22:38:49 +0100
Subject: [PATCH] tests for ToImageMagickSpec()

---
 resize_test.go | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/resize_test.go b/resize_test.go
index 5d1ea78..358883e 100644
--- a/resize_test.go
+++ b/resize_test.go
@@ -11,6 +11,7 @@ type SizeSpecTestCase struct {
 	Square         bool
 	ExpectedWidth  int
 	ExpectedHeight int
+	ExpectedIM     string
 }
 
 func Test_MakeSizeSpec(t *testing.T) {
@@ -21,6 +22,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         true,
 			ExpectedWidth:  100,
 			ExpectedHeight: 100,
+			ExpectedIM:     "100x100^",
 		},
 		{
 			SizeSpecString: "100w",
@@ -28,6 +30,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  100,
 			ExpectedHeight: -1,
+			ExpectedIM:     "100",
 		},
 		{
 			SizeSpecString: "100h",
@@ -35,6 +38,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  -1,
 			ExpectedHeight: 100,
+			ExpectedIM:     "x100",
 		},
 		{
 			SizeSpecString: "100h200w",
@@ -42,6 +46,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  200,
 			ExpectedHeight: 100,
+			ExpectedIM:     "200x100",
 		},
 		{
 			SizeSpecString: "200w100h",
@@ -49,6 +54,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  200,
 			ExpectedHeight: 100,
+			ExpectedIM:     "200x100",
 		},
 		{
 			SizeSpecString: "100w200h",
@@ -56,6 +62,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  100,
 			ExpectedHeight: 200,
+			ExpectedIM:     "100x200",
 		},
 		{
 			SizeSpecString: "200h100w",
@@ -63,6 +70,7 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  100,
 			ExpectedHeight: 200,
+			ExpectedIM:     "100x200",
 		},
 		{
 			SizeSpecString: "full",
@@ -70,6 +78,10 @@ func Test_MakeSizeSpec(t *testing.T) {
 			Square:         false,
 			ExpectedWidth:  -1,
 			ExpectedHeight: -1,
+			// this is not actually right
+			// current clients just don't call this
+			// on 'full'
+			ExpectedIM: "x-1",
 		},
 	}
 
@@ -112,6 +124,9 @@ func Test_MakeSizeSpec(t *testing.T) {
 		if ss.String() != c.SizeSpecString && c.SizeSpecString != "100h200w" && c.SizeSpecString != "200h100w" {
 			t.Error(c.SizeSpecString, "-- bad round trip on String()", ss.String())
 		}
+		if ss.ToImageMagickSpec() != c.ExpectedIM {
+			t.Error(c.SizeSpecString, "-- Bad ImageMagick Spec", ss.ToImageMagickSpec())
+		}
 	}
 
 }