// 3rd_party_lib:matrix4cj/target/matrix4cj
// 3rd_party_lib_ohos:matrix4cj/target/aarch64-linux-ohos/matrix4cj

package matrix4cj.tests.HLT.LEVEL1

import matrix4cj.*
import std.math.*
import std.unittest.*
import std.unittest.testmacro.*

@Test
public class TestMatrix4 {
    @TestCase
    func L0_Test_Matrix_identity_01(): Unit {
        var rows = 4
        var cols = 3
        var matrix01 = Matrix.Identity(rows, cols)
        @Assert(matrix01.rowNum,rows)
        @Assert(matrix01.colNum,cols)
        for (i in 0..rows) {
            for (j in 0..cols) {
                if (i == j) {
                    @Assert(matrix01.get(i,j),1.0)
                } else {
                    @Assert(matrix01.get(i,j),0.0)
                }
            }
        }
    }
    @TestCase
    func L0_Test_Matrix_identity_02(): Unit {
        var rows = 3
        var cols = 8
        var matrix01 = Matrix.Identity(rows, cols)
        @Assert(matrix01.rowNum,rows)
        @Assert(matrix01.colNum,cols)
        for (i in 0..rows) {
            for (j in 0..cols) {
                if (i == j) {
                    @Assert(matrix01.get(i,j),1.0)
                } else {
                    @Assert(matrix01.get(i,j),0.0)
                }
            }
        }
    }
    @TestCase
    func L0_Test_Matrix_identity_03(): Unit {
        var rows = 0
        var cols = 0
        try {
            var matrix01 = Matrix.Identity(rows, cols)
            @Assert(false)
        } catch (e: IllegalArgumentException) {
            if (e.toString().contains("Matrix dimensions must be greater than zero.")) {
                @Assert(true)
            } else {
                @Assert(false)
            }
        }
    }
    @TestCase
    func L0_Test_Matrix_inverse_01(): Unit {
        var matrix01 = Matrix(
            [
                [1.80, 2.88, 2.05, -0.89],
                [5.25, -2.95, -0.95, -3.80],
                [1.58, -2.69, -2.90, -1.04],
                [-1.11, -0.66, -0.59, 0.80]
            ]
        )
        var re_Inv = matrix01.inverse()
        var result = matrix01 * re_Inv
        var expected_result = Matrix(
            [
                [1.0, 0.0, 0.0, 0.0],
                [0.0, 1.0, 0.0, 0.0],
                [0.0, 0.0, 1.0, 0.0],
                [0.0, 0.0, 0.0, 1.0]
            ]
        )
        @Assert(result.rowNum,expected_result.rowNum)
        @Assert(result.colNum,expected_result.colNum)
        var rows = result.rowNum
        var cols = result.colNum
        for (i in 0..rows) {
            for (j in 0..cols) {
                @Assert(abs(expected_result.get(i,j)-result.get(i,j))<1e-6,true)
            }
        }
    }
    @TestCase
    func L0_Test_Matrix_minus_01(): Unit {
        var matrix01 = Matrix(
            [
                [1.80, 2.88, 2.05, -0.89],
                [5.25, -2.95, -0.95, -3.80],
                [1.58, -2.69, -2.90, -1.04],
                [-1.11, -0.66, -0.59, 0.80]
            ]
        )
        var matrix02 = Matrix(
            [
                [1.80, 2.88, 2.05, -0.89],
                [5.25, -2.95, -0.95, -3.80],
                [1.58, -2.69, -2.90, -1.04],
                [-1.11, -0.66, -0.59, 0.80]
            ]
        )
        var result = matrix01 - (matrix02)
        var expected_matrix = Matrix(
            [
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0]
            ]
        )
        @Assert(result.rowNum,expected_matrix.rowNum)
        @Assert(result.colNum,expected_matrix.colNum)
        var rows = result.rowNum
        var cols = result.colNum
        for (i in 0..rows) {
            for (j in 0..cols) {
                @Assert(abs(expected_matrix.get(i,j)-result.get(i,j))<1e-6,true)
                @Assert(abs(expected_matrix.get(i,j)-matrix01.get(i,j))<1e-6,false)
            }
        }
    }
    @TestCase
    func L0_Test_Matrix_minusEquals_01(): Unit {
        var matrix01 = Matrix(
            [
                [1.80, 2.88, 2.05, -0.89],
                [5.25, -2.95, -0.95, -3.80],
                [1.58, -2.69, -2.90, -1.04],
                [-1.11, -0.66, -0.59, 0.80]
            ]
        )
        var matrix02 = Matrix(
            [
                [1.80, 2.88, 2.05, -0.89],
                [5.25, -2.95, -0.95, -3.80],
                [1.58, -2.69, -2.90, -1.04],
                [-1.11, -0.66, -0.59, 0.80]
            ]
        )
        matrix01 -= (matrix02)
        var result = matrix01
        var expected_matrix = Matrix(
            [
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0],
                [0.0, 0.0, 0.0, 0.0]
            ]
        )
        @Assert(result.rowNum,expected_matrix.rowNum)
        @Assert(result.colNum,expected_matrix.colNum)
        var rows = result.rowNum
        var cols = result.colNum
        for (i in 0..rows) {
            for (j in 0..cols) {
                @Assert(abs(expected_matrix.get(i,j)-result.get(i,j))<1e-6,true)
                @Assert(abs(expected_matrix.get(i,j)-matrix01.get(i,j))<1e-6,true)
            }
        }
    }
}